what is the steps of photosynthesis
Answers
Answer:
(1) absorption of light, (2) electron transport leading to the reduction of NADP+ to NADPH, (3) generation of ATP, and (4) conversion of CO2 into carbohydrates (carbon fixation).
Explanation:
Related Questions
Help please with a cherry on top
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Answer:
text 1 - while we may know what's coming ahead of time, weather remains unpredictable
text 2 - the coastal regions experience the most damage...
text 3 - modern technology utilises energy to predict...
text 4 - hurricanes are intensely powerful storms that are only growing more intense
text 5 - meteorologists can make predictions of hurricane movement...
What happens to the mRNA before it leaves the nucleus for translation?
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Once mRNAs leave for translation input the cytoplasm, they may be translated, saved for later translation, or degraded.
Before mRNA leaves the nucleus of a eukaryotic cell , a cap is introduced to 1 quit of the molecule, a poly A tail is introduced to the opposite quit, introns are removed, and exons are spliced together. This transcript need to go through processing (splicing and addition of 5' cap and poly-A tail) at the same time as it's miles nonetheless withinside the nucleus so that you can turn out to be a mature mRNA.
Messenger RNA (mRNA) mediates the switch of genetic facts from the mobileular nucleus to ribosomes withinside the cytoplasm, wherein it serves as a template for protein synthesis.The mature mRNA is exported from the nucleus to the cytosol, wherein it's miles translated at a ribosome to make a polypeptide.
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Which statement is correct about organelles that provide energy? (1 point) They are found only in plant cells. They are responsible for cellular respiration. They are responsible for protein synthesis. They are found only in animal cells.
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The statement that is correct about organelles that provide energy is that (They are responsible for cellular respiration).
The organelles are cellular structures that have specific functions.
The organelle that provides energy to cells is known as mitochondria.
The mitochondria:
Is a sausage-shaped body surrounded by a double-membrane found in both plant and animal cell.It is the site for energy-producing reactions of cellular respiration.Cellular respiration are metabolic processes that occurs living cells through which they generate energy for their use.
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evidence for epigenetic influences on sexual orientation comes from a recent study showing that ______ in five DNA regions is 70% accurate in predicting which of a twin pair identifies as homosexual.
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Evidence for epigenetic influences on sexual orientation comes from a recent study showing that methylation patterns in five DNA regions are 70% accurate in predicting which of a twin pair identifies as homosexual.
This demonstrates that epigenetic factors, or chemical modifications to the DNA, can play a significant role in influencing an individual's sexual orientation. Epigenetic modifications act as temporary "switches" that regulate how the genes are expressed. Of the pairs of identical twins in which one twin is homosexual, the other twin, despite having the same genome, only has a 20-50% chance of being homosexual as well. Epigenetic mechanisms are affected by several factors and processes including development in utero and in childhood, environmental chemicals, drugs and pharmaceuticals, ageing, and diet.
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7. cytosine can be mutated through a deamination reaction. after one round of replication resulting in double stranded dna, what base pair would occupy this position? after two rounds of replication what base pair(s) would you expect?
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cytosine can be mutated through a deamination reaction. after one round of replication resulting in double stranded DNA, uracil-adenine base pair would occupy this position. After two rounds of replication Adenine-uracil and uracil-adenine base pairs are formed in two distinct new double stranded DNA.
What is mutation?
A mutation is a change that takes place in the sequence of our DNA as a result of errors made during DNA replication or environmental influences like UV light and cigarette smoke. Viral infection, exposure to mutagens, and mistakes in DNA replication during cell division can all result in mutations. Germline mutations, which occur in eggs and sperm as opposed to somatic mutations, which occur in body cells, can be passed on to progeny.
A cytosine base can be transformed into uracil, a base generally only found in RNA, by a chemical process called deamination. Uncorrected cytosine-to-uracil changes might result in mutations because during DNA replication, uracil will link with adenine rather than guanine (as it would if the base was still cytosine). And after two round of replication one new double strand DNA have adenine-uracil base pair and another strand have uracil-adenine base pair.
Hence cytosine can be mutated through a deamination reaction. after one round of replication resulting in double stranded DNA, uracil-adenine base pair would occupy this position. After two rounds of replication Adenine-uracil and uracil-adenine base pairs are formed in two distinct new double stranded DNA
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What were the independent, dependent, and control variables in your investigation? Describe the variables for the simulation with the moths and birch trees.
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The experiment is not found here but dependent variables may include the growth rate of moths, whereas the independent variable may be the temperature and the control is water.
What is a dependent variable?A dependent variable is the variable that is being modified by the conditions of the experiment (in the example, the growth is dependent on the temperature).
Moreover, a control variable is any condition that remains constant throughout the experiment (in this case, the amount of supplied water).
In conclusion, dependent variables is the growth rate, whereas the independent variable is the temperature and the control is water.
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Which fertilization event occurs immediately after the formation of the male and female pronuclei?spindle formation and cleavage beginscytokinesis beginsoocyte activation beginsrelease of a secondary oocyte and the first polar body
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After the formation of the male and female pronuclei, the next fertilization event that occurs is spindle formation. Spindle formation is a critical step in the process of cell division that prepares the cell for proper chromosome segregation during mitosis or meiosis.
In fertilization, spindle formation occurs in the zygote, which is the cell resulting from the fusion of the sperm and egg cells. The spindle fibers are responsible for separating the chromosomes from each other during cell division, ensuring that each daughter cell receives the correct number of chromosomes. Once the spindle is formed, cytokinesis begins, and the cell divides into two daughter cells. This is followed by oocyte activation, which is a series of changes that occur in the egg cell to prepare it for embryonic development. Finally, the secondary oocyte and the first polar body are released from the ovary and travel through the fallopian tube toward the uterus.
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in a sarcomere, thin filaments (made primarily of actin) are attached to the:
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In a sarcomere, thin filaments (made primarily of actin) are attached to the: Z discs, which are protein structures that mark the boundary of each sarcomere.
The Z discs anchor the thin filaments in place, while the thick filaments (made primarily of myosin) are anchored in the center of the sarcomere.
During muscle contraction, the thin filaments slide over the thick filaments, causing the sarcomere to shorten and the muscle to contract.
This sliding action is powered by the interaction between actin and myosin molecules, which are regulated by the presence of calcium ions and various protein structures within the sarcomere.
The organization of actin and myosin filaments within sarcomeres is what gives skeletal and cardiac muscle tissue its characteristic striated appearance.
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Help me with this question please
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Based on the percentages provided, the soil would be called "loamy sand".
What is the type of soil described?The type of soil is called loamy sand soil.
Loamy sand soil contains a relatively high percentage of sand (50%) which allows for good drainage and aeration, while the smaller percentages of silt (10%) and clay (40%) provide some water and nutrient retention.
This type of soil is often ideal for plant growth as it provides a balance of drainage and nutrient availability.
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Identify one of the leadership values you would like to develop further over the course of the next year and propose an improvement plan (tasks, dates, measures of progress). Your plan should be specific, measurable, achievable, relavant and time bound. Leadership values are discussed in Chapter 7 of the text and you can find examples and lists through your own research. These values tend to define your "personal character" or "personal brand" and should be consistent with you actions and behaviour. Examples would include: honesty, hardworking, trustworthy, ethical, loyal, persistent, optimistic, motivating, encouraging, brave, caring, respectful, give and take responsibility, admit to mistakes and learn, accountable, reliable, keep promises, listen and coach others, take initiative, proactive, maintain stamina, positive attitude, etc.
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By following this improvement plan,one can aim to develop and enhance my empathy as a leadership value over the next year.
One leadership value I would like to develop further over the course of the next year is empathy. Empathy is a crucial leadership trait that involves understanding and sharing the feelings of others. It allows leaders to connect with their team members on a deeper level, foster positive relationships, and create a supportive work environment.
Improvement Plan for Developing Empathy:
Research and Study: (July - August): Read books and articles on empathy and its importance in leadership.Attend webinars or workshops focused on developing empathy skills.Engage in discussions with colleagues or mentors who possess strong empathetic qualities.Self-Assessment: (September): Reflect on my current level of empathy and identify areas for improvement.Evaluate past interactions with team members to identify instances where empathy could have been enhanced.Take note of personal biases or preconceptions that may hinder empathetic responses.Active Listening: (October - November): Practice active listening skills, focusing on truly understanding others without interrupting or judging. Demonstrate genuine interest in others' thoughts, feelings, and perspectives. Engage in conversations where I actively seek to understand rather than merely respond.Emotional Intelligence Development: (December - January): Enhance emotional intelligence by recognizing and managing my own emotions effectively. Develop a better understanding of how emotions impact the behavior and well-being of others. Explore strategies for regulating emotions and responding empathetically in challenging situations.Perspective-Taking: (February - March): Put myself in others' shoes to gain a deeper understanding of their experiences, challenges, and motivations.Seek opportunities to learn about the diverse backgrounds and perspectives of team members. Encourage open dialogue and create a safe space for team members to share their thoughts and feelings.Feedback and Reflection: (April - May): Seek feedback from colleagues, team members, and mentors regarding my progress in demonstrating empathy. Reflect on my interactions and evaluate how well I have applied empathy in different situations. Make adjustments based on feedback and continue to refine my empathetic approach.Measures of Progress: Regularly self-assess my empathetic responses and behaviors. Seek feedback from team members regarding their perception of my empathy. Notice an increase in open and honest communication within the team. Observe improved trust, engagement, and satisfaction among team members. Evaluate the frequency and quality of personal connections and relationships established with team members.By following this improvement plan,one can aim to develop and enhance my empathy as a leadership value over the next year.
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In order to photosynthesis to occur, certain reactants must be present in nature. What are the reactants necessary for photosynthesis?
Group of answer choices
A. Carbon dioxide and oxygen
B. Sunlight and ATP
C. Water and Carbon dioxide
D. Carbohydrates and water
Answers
Organisms that are not able to make their own food/sugar/carbohydrates are not called autotrophs but what ?
Answers
HETEROTROPHS
Explanation:
Autotrophs are any organisms that are capable of producing their own food. For most, this is achieved by using light energy, water and carbon dioxide. Heterotrophs cannot produce they have to absorb.
The endangered Cheat Mt. Three-Tooth Snail occurs in sandstone outcrops along the Cheat Canyon in West Virginia. You need to estimate their abundance in a 100 hectare area of the forest. Describe how you would estimate their abundance in Cheat Canyon using area-based counts.
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The accuracy of the estimate depends on the representativeness of the selected quadrats and the thoroughness of the surveys conducted. Adjustments may be needed based on the specific characteristics of the Cheat Mt. Three-Tooth Snail and the Cheat Canyon environment.
To estimate the abundance of the endangered Cheat Mt. Three-Tooth Snail in a 100-hectare area of the Cheat Canyon using area-based counts, you can follow these steps:
1. Determine the sampling method: Choose a suitable sampling method to estimate the snail abundance in the forest area. One common method is the quadrat sampling technique.
2. Divide the area into quadrats: Divide the 100-hectare area into smaller, equal-sized quadrats. The size of the quadrats will depend on the snail's distribution and the level of precision desired. For example, you can divide the area into 100 quadrats of 1 hectare each.
3. Randomly select quadrats: Randomly select a predetermined number of quadrats to survey. This helps ensure that the sampled quadrats are representative of the entire area. For instance, you might choose to survey 20 out of the 100 quadrats.
4. Conduct field surveys: Visit each selected quadrat and thoroughly search for the Cheat Mt. Three-Tooth Snails. Carefully examine the sandstone outcrops and record the number of snails found in each quadrat. Repeat this process for all selected quadrats.
5. Calculate snail density: Calculate the snail density by dividing the total number of snails observed in the sampled quadrats by the total area surveyed. For example, if you found 50 snails in the 20 sampled quadrats, the snail density would be 50 snails / 20 hectares = 2.5 snails per hectare.
6. Extrapolate to estimate total abundance: To estimate the snail abundance in the entire 100-hectare area, multiply the snail density by the total area. In this case, the estimated total abundance would be 2.5 snails per hectare * 100 hectares = 250 snails.
Remember, this is just one way to estimate the abundance using area-based counts. The accuracy of the estimate depends on the representativeness of the selected quadrats and the thoroughness of the surveys conducted. Adjustments may be needed based on the specific characteristics of the Cheat Mt. Three-Tooth Snail and the Cheat Canyon environment.
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1. Which group of organisms lacks a nucleus?
a. fungi
b. plants
c. prokaryotes
d. eukaryotes
Answers
:) hope this helps
Answer:
c.prokaryotes
Three genes in Drosophila-black, dumpy,and vestigial-are linked to each other From series of two-factor crosses, the following map distances are obtained dumpy-black 34 map units dumpy-vestigial 50 map units vestigial-black 19 map units a. What is the order of these three genes? b. dumpy is found at position 13 on the standard map of the chromosome What would be the positions associated with black and vestigial, based on these data? (Modified from Sib, Owen, and Edgar, General Genetics, 2nd edition, 1965) n tomatoes round fruit is dominant over elongated fruit, and smooth skin is dominant over fuzzy or peach skin. An F, plant with round fruit and smooth skin is test-crossed The following plants were found in the next generation Round and smooth Round and peach Elongated and smooth 124 Elongated and peach
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Based on the given data, the positions associated with black and vestigial would be 47 and 63 map units, respectively.
a. Based on the given map distances, the order of the three genes can be determined as follows:
black - vestigial - dumpy
b. The position of black and vestigial genes can be determined by comparing their distances to the known position of the dumpy. Since dumpy is found at position 13 on the standard map, we can calculate the positions associated with black and vestigial as follows:
Black: The distance between black and dumpy is 34 map units. Therefore, the position of black would be 13 + 34 = 47 map units.
vestigial: The distance between vestigial and dumpy is 50 map units. Therefore, the position of vestigial would be 13 + 50 = 63 map units.
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Explain WHY photosynthesis and respiration are NOT able to create a cycle of energy?
Answers
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
In a plant cell, photosynthesis and cellular respiration can both take place simultaneously. Plants carry out both photosynthesis and cellular respiration during the day. Cellular respiration continues because it provides the energy required for essential cell functions.
What role of photosynthesis and respiration in plant?Water and carbon dioxide are changed into oxygen and glucose during photosynthesis. The plant consumes glucose and produces oxygen as a byproduct.
Oxygen and glucose are transformed into water and carbon dioxide during cellular respiration. By-products of the process include carbon dioxide, water, and ATP, which is turned into energy.
To power cellular respiration, photosynthesis uses the energy it produces. During photosynthesis, solar energy is used, collected, and stored in the bonds of glucose molecules.
Therefore, photosynthesis and respiration not involve energy formation cycle.
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Starvation, suffocation, and dehydration are all root causes of death in human beings. Dehydration can take 3-10+ days, starvation can happen in weeks to months, and suffocation occurs in a manner of minutes. How do these processes negatively impact homeostasis so severely that they cause death? Why is there such a discrepancy in the time involved? How are these processes all connected?
Answers
Answer:
Starvation, suffocation, and dehydration takes different time to death of human.
Explanation:
Starvation takes more time to put the human into death because there are reserves of food in our body which can be used by our body in order to survive when these reserves ends up, the human die. In suffocation, human die in less time because oxygen is needed by our body to produce energy for doing activities so if there is no oxygen leads to no energy so the cells die, while on the other hand, dehydration also takes less time to starvation because our body need water to remain turgor and for the circulation of blood in the body if there is no water, no circulation occurs that leads to death.
a 1986 ford comes into the smog inspection station. it has no plates, but the registration lists the plates as rgf342. how do you enter this into the eis?
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A 1986 ford comes into the smog inspection station. it has no plates, but the registration lists the plates as rgf342. this would be entered into the EIS as none for the license plate.
When you register or renew your vehicle's registration in California, smog inspections are required. In order to find NOx, HC, and CO emissions, the BAR-97 Emissions Inspection System (EIS) examines vehicles under simulated driving conditions.
The BAR-97 EIS is required for the inspection of gasoline vehicles made before 1999, gasoline vehicles made before 1999 that are not equipped with OBD II, and gasoline vehicles made before 1999 that have a GVWR of more than 14,000 pounds.
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The message that travels along an axon of a neuron is called a(n) ____________.
A) neurotransmission
B) action potential
C) mylinazation
D) chemical impulse
Answers
The message that travels along an axon of a neuron is called a(n) action potential (option B).
An action potential is an electrical signal that propagates along the axon, allowing neurons to transmit information quickly and efficiently. This process is essential for the communication between neurons, and ultimately, for the proper functioning of the nervous system. Neurotransmission, myelination, and chemical impulses are related terms but do not directly describe the message traveling along the axon.
Neurotransmission refers to the process by which neurons communicate with each other through the release of chemical messengers, known as neurotransmitters, at the synapse. Myelination is the formation of a myelin sheath around the axon, which increases the speed of the action potential and overall neural communication. Chemical impulse is a general term that could refer to the release of neurotransmitters during neurotransmission or other chemical processes within the neuron.
In summary, the correct term for the message traveling along an axon of a neuron is action potential, as it best describes the electrical signal that propagates along the axon to ensure efficient communication between neurons.
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In sunflowers, tall stems are dominant over short stems. A short stemmed sunflower is crossed with a purebred long-stemmed flower.
What are the genotypes of the offspring? (use letter T/t for alleles)
2TT : 2tt
1TT: 2Tt :1tt
100% Tt
3Tt : 1tt
Answers
Answer:
100% Tt
Explanation:
The punnett squares in the image should help explain it
What does stability mean for the digestive system ?
Answers
First, we can say that for our body to carry out its functions normally, it has to be an equilibrium of temperature, pH, and solute concentration, for example, in other words, what we call homeostasis.
So, the term stability regarding the digestive system could be associated with that normal balance in the pH of the gastric juice, but also the enzymes involved in the degradation of aliments that we have also in our mouth.
physical/biological anthropology is the study of what group(s) of animals?
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Physical/biological anthropology is the study of the structure, development, and evolution of human species and other primates. Specifically, it is the study of human anatomy, genetics, work on the fossil record, and the relationship between physical and social change.
Physical/biological anthropology is a comprehensive science that utilizes many different scientific practices to create a unifying understanding of the diversity and evolution of humanity and its closest relatives. It seeks to uncover secrets hidden within the fossil, cellular, and archaeological record that can help us better understand the origin and evolution of our species amongst the other primates that share our planet.
It is also a field that focuses on current issues such as understanding human variation and adaptation, health and wellness, and addressing local and global environmental challenges. This form of anthropology will help us uncover the secrets of our ancestors and the evolution of human beings, helping us better understand who we are today and where humans may go in the future.
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What are the roles of the nucleus, cytoplasm, mitochondria, and the cell membrane in eukaryotic cells? in your own words nothing from the internet
Answers
Answer:
What are the roles of the nucleus, cytoplasm, mitochondria, and the cell membrane in eukaryotic cells?
Explanation:
1.The cell membrane holds the cell's internal contents from its environment
2.the nucleus, the cell's "brain", holds the cell's DNA in the form of chromosomes, and makes protein codes that tell the other organelles to function in a certain way once the codes are made into literal proteins and passed around the cell
3.The cytoplasm is the gelly fluid inside the cell. It is the place for chemical reaction, and provides a place where other organelles can operate within the cell properly, and the cytoplasm keeps the cells from moving around.
4. The main job of the mitochondria is to convert nutrients into energy through cellular respiration, making ATP. the mitochondria are known as the powerhouse of the cell. In addition to supplying energy, the mitochondria is involved in a range of other processes,like signalling, cellular differentiation, cell death, as well as control of the cell division cycle and cell growth.
how does the muscular system help the body maintain homeostasis? if it doesn't function correctly how does it affect the body?
Answers
Answer:
Skeletal muscles contribute to maintaining temperature homeostasis in the body by generating heat. Muscle contraction requires energy and produces heat as a byproduct of metabolism.
Explanation:
hope this helps
All of the members of the same species in the same place at the same time that can interbreed.
O genepool
O population
O community
O species
Answers
Answer:
Genepool
Explanation:
I hope this helps
The photograph shows an alarm clock ringing.
What is the medium for the sound waves?
O A. Air
O B. Rocks
O C. Water
D. Ears
Answers
Answer:
I'm pretty sure the answer is A
Identify the city that lies closest to each pair of coordinates. 30°n 90°w, 30°n 30°e, 60°n 30°e
Answers
The city closest to each pair of coordinates are as follows:30°N 90°W: Mexico City, Mexico30°N 30°E: Baghdad, Iraq60°N 30°E: St. Petersburg, Russia
The coordinates given are in the format of latitude and longitude. Latitude is the measurement of distance from the equator, measured in degrees north or south of the equator. Longitude is the measurement of distance from the prime meridian, measured in degrees east or west of the prime meridian. Mexico City, Mexico lies closest to the coordinates 30°N 90°W.Baghdad, Iraq lies closest to the coordinates 30°N 30°E.St. Petersburg, Russia lies closest to the coordinates 60°N 30°E.
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after mitosis in animals, cytokinesis takes place. what happens during cytokinesis?
Answers
Answer: The correct answers are as follows:
1. During cytokinesis, THE CELL MEMBRANE PINCHES IN TO FORM TWO NEW CELLS.
Cytokinesis is the physical process of cell division, it divides the cytoplasmic content of the parental cell into two new daughter cells. Cytokinesis takes place in both mitosis and meosis.
2. The correct order of the phases of mitosis are as follows: PROPHASE, METAPHASE, ANAPHASE AND TELOPHASE.
Mitosis is the process of cell division by which a cell is divided into two new cells. The process occurs in four basic stages and result in the formation of two new cells.
3. The following terms are related to sexual reproduction: MATING SYSTEM, GAMETE FORMATION AND AMPLEXUS.
Amplexus refers to the mating positions of frogs and toads during sexual reproduction. Mating system refers to the number of mating partners that an animal has during the mating period. Gamete formation is the process by which sex cells are made and it occurs in both male and female animals.
4. As a cell is preparing to divide by mitosis, the DNA MUST BE COPIED.
When a cell is getting ready to divide by mitosis, it will undergo a stage called interphase, during which the cell prepare for cell division. During interphase, the cell undergo some process and these include the copying of the DNA. The cell copies its DNA so that it has two copies of each strand.
Explanation:
Which graph best represents directional selection? Graph A has trait value on the horizontal axis and population of individuals on the vertical axis. The original population increases, decreases, increases, and then decreases again. The population after selection increases at the point that the original population drops. Graph A Graph B has trait value on the horizontal axis and population of individuals on the vertical axis. The original population and population after selection have similar curves, but the original population peaks before the population after selection. Graph B Graph C has trait value on the horizontal axis and population of individuals on the vertical axis. The original population peaks at the same time as the population after selection but the original population peaks higher and at a more rapid speed. Graph C
Answers
In populations in which directional selection has acted, most individuals express one of the extreme phenotypes. In the exposed example, graph B represents directional selection.
What is directional selection?
Directional selection is one of the three types of natural selection, together with disruptive selection and balancing selection.
Directional selection increases in the proportion of individuals with an extreme phenotypic trait.
There must be a selective pressure or environmental pressure acting on populations to lead the species to increase the number of individuals expressing that extreme phenotype.
This selection presents more frequently in those cases in which interactions between living organisms and the environment modify in the same direction.
According to the description of the three graphs, graph B is the one that represents directional selection.
The original population shows a greater proportion of individuals expressing the intermediate phenotype.After selection, most individuals in the population express one of the extreme phenotypes (the one at the right).You can learn more about directional selection at
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Answer:
Graph B is correct
Explanation:
trust
Petra finds a discolored stain on the carpet at a suspected crime scene. What two presumptive tests might she use to determine if the stain is blood? First, Petra sprays the discolored area with , which returns a glowing blue color. However, she knows that this chemical might also turn blue with other substances that contain iron. Subsequently, she uses , which turns pink, indicating the presence of hemoglobin.
Answers
Answer:
First, Petra sprays the discolored area with
Fluorescein
, which returns a glowing blue color. However, she knows that this chemical might also turn blue with other substances that contain iron. Subsequently, she uses
Phenolphthalein
, which turns pink, indicating the presence of hemoglobin.
Answer:
a. luminol b. phenolphthalein
Explanation:
looked it up, luminol turns green and the other one turns pink