Answer:
The dihybrid cross is pretty common. It looks like this:
PpRr x PpRr
The possible genotypes for the gametes of the first parent are:
PR - Pr - pR - pr
Explanation:
look at image for question
Answer:
xd
Explanation:
Glucose is a large molecule that is transported across the cell membrane through a carrier protein, a type of transport protein used during.
Glucose is a large molecule that is transported across the cell membrane through a carrier protein, a type of transport protein used during facilitated diffusion.
What is facilitated diffusion?
The process of spontaneous passive transport (as opposed to active transport) of molecules or ions across a biological membrane by certain transmembrane integral proteins is known as facilitated diffusion (also known as facilitated transport or passive-mediated transport). Due to the fact that it is passive, facilitated transport does not directly require chemical energy from ATP hydrolysis during the transport step itself. Instead, molecules and ions travel along their concentration gradient, indicating the fact that the process is diffusive.
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____________ polymerase is used to add new RNA nucleotides to make RNA.
RNA polymerase is used to add new RNA nucleotides to produce RNA.
RNA polymeraseIt is the enzyme responsible for copying the sequence of DNA into the sequence of RNA during the process of transcription.
The information encoded in DNA is used to produce RNA during the process of transcription.
The production of RNA takes place by the enzyme RNA polymerase, by using the antisense strand of the DNA as the template by supplementing the complementary RNA nucleotides to the 3 prime terminal of the developing strand.
The enzyme RNA polymerase combines with the DNA at a sequence known as the promoter at the time of the beginning of transcription.
Thus, the given blank can be filled with RNA.
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Parksion disease Causes of low loss of a control muscle movement include shaking up the body difficulty walking and keeping balance which body system is being affected by this disease
Answer:
Nervous system
Explanation:
because it effects most of the controls in the body causing it to feel unstable and shaky
How does the structure of DNA allow it to store hereditary information?
The structure of DNA allows it to store hereditary information due to the presence of Adenine (A), thymine (T), cytosine (C), and guanine (G).
Adenine (A), thymine (T), cytosine (C), and guanine (G) are sugar bases that are sequenced in the DNA responsible for storing genetic information. These bases are connected by ribbons of sugar-phosphate molecules to form a double helix.
Because of its distinct structure, DNA may duplicate itself during cell division. The DNA helix divides into two separate strands when a cell is getting ready to divide. Two new, double-stranded DNA molecules are created using these single strands as templates, each of which is a copy of the original DNA molecule.
What are the components of DNA?
Nucleotides are chemical building units that makeup DNA. A phosphate group, a sugar group, and one of four different nitrogen bases make up these building components. Nucleotides are joined together into chains, with the phosphate and sugar groups switching positions, to produce strands of DNA.
Therefore, sugar bases present in DNA help it store hereditary information.
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What is the study of the forms and features of land surfaces?
Plate tectonics
Seafloor spreading
Continental drift
Topography
Answer:
Plate tectonics
Explanation:
Plate tectonics is the study of the forms and features of land surfaces.
1
Cells do which of the following? (check all that apply)
A reproduce
B
take in nutrients
c get rid of wastes
D
use energy
Answer:
A can be right answer because reproduction is completely based on cells where as others r n{t primary function
All of the above options are functions carried out by cells including reproduction, nutrient absorption, excretion and energy utilization.
What are the functions of cell?Cells take in nutrients from meals, turn those nutrients into energy, and carry out specialized functions while doing so. They are responsible for providing structure for the body. Additionally, cells are capable of duplicating themselves and contain the hereditary material of the organism. There are numerous components that make up a cell, each of which has a specific purpose.
Cells must execute metabolic activities to survive, but some byproducts can be poisonous or fatal if they accumulate. Excretion removes cell wastes.
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Francesco Redi performed an experiment in 1668. In the experiment, he placed rotting meat in two jars. The first jar was left open. After a few days, fly larvae were found on the decaying meat inside. The mouth of the second jar was covered with gauze. After a few days, the decaying meat inside was free of fly larvae, but larvae were found on the gauze. This experiment supports the hypothesis that.....
Answer:
The experiment performed by Francesco Redi supports the hypothesis that fly larvae only come from adult flies based on his experiment design using a covered-meat and non-covered meat. In addition, he also believed that maggots came from the fly rather than from the rotten meat by using the same experiment design.
Which of the following is an example of an ecosystem?
1. A herd of bison.
2. All the deer, rabbits, and flowers in McLean County.
3. A pride of lions, a herd of water buffalo, the grasses on the Savanna, and the drought
affecting them all.
A pride of lions, a herd of water buffalo, the grasses on the Savanna, and the drought affecting them all is an example of an ecosystem.
What is ecosystem?Ecosystem, the collection of living things, their physical surroundings, and all of their interactions within a certain spatial context.An ecosystem can be divided into its biotic constituents, which include all of its living members, and its abiotic constituents, which include minerals, the environment, soil, water, sunshine, and all other nonliving elements. The movement of energy through the ecosystem and the cycling of nutrients within the ecosystem are the two main forces that bind these components together. Ecosystems come in a variety of sizes; some can fit inside a single water droplet, while others can cover entire landscapes and countries.Radiant energy from the Sun is the primary source of energy in practically all ecosystems.
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Within genesis, what type of literary form is used that as a sub genre of narrative?
In the book of Genesis, the literary form used is primarily that of a subgenre of narrative. This means that the text tells a story with characters, events, and a plot.
The narrative form in Genesis presents a chronological account of the creation of the world, the beginnings of humanity, and the early history of civilization. It includes stories such as the creation of Adam and Eve, the story of Noah and the flood, and the narratives of Abraham, Isaac, Jacob, and Joseph.
The narrative form in Genesis is characterized by its focus on the actions and experiences of the characters, as well as the moral and theological themes woven into the stories. The use of narrative helps to engage the reader and convey important religious and historical messages.
For example, in the story of Noah and the flood, the narrative form allows the reader to follow the sequence of events as Noah builds the ark, gathers the animals, and survives the flood. This story serves as a lesson on obedience and righteousness.
In summary, the literary form used in Genesis is a subgenre of narrative. It uses storytelling techniques to convey important religious and historical messages through characters, events, and a plot.
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Refers to the broader range of changes such as the changes in average weather patterns in an area overtime
Answer:
Climate.
Explanation:
Weather can be defined as the atmospheric conditions of a particular area over a short period of time.
The elements of weather include precipitation, wind, temperature, atmospheric pressure, relative humidity, cloud, and wind speed.
On the other hand, climate can be defined as the change in the atmospheric conditions and manifestation of weather in a particular area over a long period of time usually 30 years.
Hence, climate refers to the broader range of changes such as the changes in average weather patterns in an area overtime.
lactic acid fermentation occurs in?
Answer:
Lactic acid fermentation occurs in the cytoplasm of the cell.
It's a form of anaerobic respiration, and occurs when oxygen is unavailable in animal (muscle) cells and in some bacteria.
summary of what occurs during transcription
The act of copying information from a strand of DNA into a fresh messenger RNA molecule is called transcription (mRNA).
DNA preserves genetic material as a reference or template safely and permanently in the cell nuclei.
The process of gene expression starts with transcription. A gene's DNA sequence gets transcribed into RNA during this process. The DNA double helix must unwind close to the gene being transcribed before transcription can begin. A transcription bubble is the term for the area of opened-up DNA.
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What is the name of the layer of the uterus that contracts to expel menstrual fluid or a baby? Select one: a. Perimetrium b. Endometrium C.Myometrium d. Exometrium
What is the name of the layer of the uterus that contracts to expel menstrual fluid or a baby is c. Myometrium
The myometrium is the layer of smooth muscle tissue in the uterus. It is responsible for the contraction of the uterus during various reproductive processes, including the expulsion of menstrual fluid during menstruation and the expulsion of a baby during childbirth.
The myometrium's contractions are controlled by hormones and play a crucial role in facilitating menstrual flow and labor. The other options listed, perimetrium, endometrium, and exometrium, refer to different layers of the uterus but do not have the primary function of contracting to expel menstrual fluid or a baby.
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Comparison to the red blood cell experiment: a. Which Tube (A, B, C, or D) in Activity 1 do you think most closely represents what might have happened to the cells in Cameron's body? b. Do these results support your hypothesis from Activity 1?
Similarities with red blood cell research include: Do you believe that Activity 1's Tube C most accurately depicts. It would have occurred to Cameron's body's cells. Upon reviewing the case study or file.
Red blood cells can easily change shape and lack a nucleus, which helps them fit through the different blood vessels in your body. Normal RBC variations are: Male: 4.7 to 8 million cells per millilitre (cells/mcL) and Female: 4.2 to 7 million cells/mcL.Blood contains a variety of cells, including platelets, white blood cells (monocytes, immune cells, neutrophils, eosinophils, basophils The globin protein can either be digested or further broken down into its component amino acids, which can then also be recycled.
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What is biogeographic isolation
Answer:the separation of members of the same species, a group of organisms that breed and produce offspring that can breed.
Explanation:
Which statement best describes the genetic makeup of gametes (sex cells) that are produced by humans?
each cell has pairs of chromosomes and cells are usually genetically identical
each cell has pairs of chromosomes and cells are usually genetically different
each cell has half the number of chromosomes and cells are usually genetically different
each cell has half the number of chromosomes and cells are usually genetically identical
C
Answer:
Each cell has half the number of chromosomes and cells are usually genetically different
Sketch out a drawing which illustrates how diffusion occurs through a slab in a Fick's.first law model and for a second law model. Explain your model in words.
Fick's second law provides a more thorough explanation of diffusion by taking into account the change in concentration with regard to both time and position. Fick's first law defines the diffusion of a material across a medium, such as a slab, based on concentration gradients.
Fick's first law states that the rate of diffusion (J) is directly proportional to the negative gradient of the concentration (dC/dx), multiplied by the diffusion coefficient (D). Mathematically, it can be expressed as:
J = -D x (dC/dx)
Let's picture a rectangle shape to symbolize a slab in this situation. With higher concentrations on one side and lower concentrations on the other, the concentration of the diffusing chemical is shown as a gradient. Fick's first law states that until equilibrium is established, the material will move from the side with higher concentration to the side with lower concentration.
Fick's Second Law states that the rate of change of concentration (dC/dt) over time is equal to the diffusion coefficient (D) multiplied by the second derivative of the concentration with respect to position (d²C/dx²). Mathematically, it can be expressed as:
dC/dt = D x (d²C/dx²)
In the case of a slab, the concentration gradient is represented by a curve showing how the concentration changes over time and position. Fick's second law explains how the concentration distribution evolves over time due to the diffusion process. It describes how the concentration diffuses and spreads out within the slab, eventually leading to a more uniform distribution.
By comparing the two models, we can see that Fick's first law focuses on the flux of diffusion, which depends on the concentration gradient. Fick's second law, on the other hand, provides a more comprehensive understanding of how the concentration changes over time and position within the slab.
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Explain how the following organelles ensure that a cell has the proteins it needs: nucleus, rough ER, vesicles, and Golgi apparatus.
Answer: The role of the nucleus of a eukaryotic cell is to control the cell. Because it contains most of the cell's DNA, which is encoded with genetic instructions, the nucleus controls which proteins the cell makes.
The explanation of how these organelles ensure that a cell has the proteins it needs below
The nucleus contains the genetic material of the cell: made up of one or more DNA molecules.
It governs all cellular functions and is also the place where ribosomes are produced, which have the important function of synthesizing or translating information for the production of proteins.
The rough endoplasmic reticulum is characterized by being formed by a series of channels, flattened sacs and cisterns, in these flattened sacs chains made of various peptides are introduced, with which complex proteins will be formed.
This structure's main function is to synthesize proteins, which are destined to different parts of the cell to develop multiple functions, in addition to controlling their structural and functional quality.
These same proteins travel to other parts of the cell, such as the Golgi apparatus.
Golgi apparatus is known as a cellular organelle whose function is to handle synthesized proteins.
The multitude of small vesicles are associated with the Golgi dictyosomes, grouped on the side adjacent to the ER and along the dilated rings of each cistern.
These Golgi vesicles are protein and lipid transport vesicles to and from the Golgi and between the Golgi cisterns.
Proteins, as they pass through the Golgi apparatus, undergo a modification process before being released.
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The following diagram shows the branching tree for four kingdoms and some of their shared derived characteristics.
A slanting line is shown. There are four lines drawn vertically on this line at equal intervals. There is a black circle between each pair of these vertical lines. Protists, Plants, Fungi, Animals are written on top of each vertical line in order from left to right. Common Cell is written on the left most end of the sloping line. The second black circle has X written on it. The fourth black circle has Are Mobile written on it.
What characteristic can be written at point X? Explain your answer in complete sentences.
Answer: b bet
Explanation: ya ina enslaved
The soybean aphid was introduced to the United States in 2000. The aphid killed many soybean plants. In 2004, scientists
discovered that some soybean plants were resistant to the aphid. This resistance was genetically based. The scientists
wanted to determine whether the resistant trait in these soybean plants has a dominant inheritance pattern. Which of the
following would provide the best evidence that the trait is dominant?
Answer:
The soybean aphid was introduced to the United States in 2000. The aphid killed many soybean plants. In 2004, scientists discovered that some soybean plants were resistant to the aphid. This resistance was genetically based. The scientists wanted to determine whether the resistant trait in these soybean plants has a dominant inheritance pattern. Which of the following would provide the best evidence that the trait is dominantAre there any general characteristics that cells share?
Answer:
A plasma membrane, cytoplasm, DNA, ribosomes, creating energy, removing waste, and collecting essential nutrients
Explanation:
URGENT!! What is a hypothesis that describes the species area relationship
Developing chick embryos are often used in toxicology studies of endocrine disruptors. If eggs were injected with both ethynyl estradiol and an inhibitor of AMH production throughout the first half of incubation what you expect to see upon examining the reproductive morphology of genetic (ZZ) males and genetic (ZW) females once the chicks hatched. (Explain your answer, 4pts)
If developing chick embryos were injected with both ethynyl estradiol and an inhibitor of AMH production throughout the first half of incubation, the genetic (ZZ) males and genetic (ZW) females would likely exhibit altered reproductive morphology upon hatching.
Ethynyl estradiol is an estrogen mimicker, which means it can bind to estrogen receptors and activate them. AMH (Anti-Müllerian hormone) is responsible for inhibiting the development of female reproductive organs in male embryos.
Therefore, injecting ethynyl estradiol and an inhibitor of AMH production in developing chick embryos could disrupt normal sexual development and result in male embryos developing female reproductive organs and vice versa.
In genetic males, the injection could result in the development of ovaries instead of testes, while in genetic females, it could lead to the development of testes instead of ovaries.
These changes in reproductive morphology could have long-term consequences on the health and reproductive success of the affected individuals.
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81. suppose that following a lava flow, pine grass (a hypothetical species) is the first species to colonize the area. chemicals produced by pine grass change the soil chemistry in the environment, but these chemicals promote subsequent colonization by later species. which model would best explain this scenario of succession? a. inhibition b. tolerance c. facilitation d. compensation
The model that best explains this scenario of succession is facilitation. Option c is correct.
In facilitation, early successional species change the environment in a way that makes it more suitable for later successional species. In this case, pine grass changes the soil chemistry to create conditions more favorable for other species to colonize the area. This is an example of positive interactions between species, where the presence of one species benefits another.
As a result, the area goes through a predictable sequence of changes, with each species creating conditions that favor the next. In contrast, the inhibition model suggests that early species prevent colonization by later species, while the tolerance model suggests that species do not affect each other's colonization. The compensation model suggests that the loss of one species is compensated by the growth of another. Hence Option c is correct.
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are viruses and bacteria single celled organisms?
Answer:
Viruses are not cellular organisms they are more like groups of genetic materials and proteins, this is unlike bacteria which are single-celled microbes that do not contain a nucleus.
What features do plant cells have that animal cells lack?
A. cytoplasm and cell wall
B. cell wall and chloroplasts
C. cell membrane and chloroplasts
D. Nucleus and cell membrane
Answer:
B. Cell wall and chloroplasts
Explanation:
Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
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A prient is diagnosed with severe Traumatic brain injury and is put on an IV drip containing an Na+ at a concentrafion of 513 mmol/L. The patient's cells have an intracellular Na+ concentration of 154 mmol/L. What will occur?
A. Water will move into the cells
B. Na+ will move into the cells
C. Water will move out of the cells
D. Na+ will move out of the cells
The given scenario involves a patient with traumatic brain injury who has been diagnosed with an IV drip containing Na+ at a concentration of 513 mmol/L. The patient's cells have an intracellular Na+ concentration of 154 mmol/L. In this situation, water will move out of the cells.
The correct option is C. Water will move out of the cells.Why will water move out of the cells?In this situation, water will move out of the cells because of the process of osmosis. Osmosis is the process by which water moves from an area of low solute concentration to an area of high solute concentration. In this scenario, there is a higher concentration of Na+ ions in the extracellular fluid (513 mmol/L) than the intracellular fluid (154 mmol/L). Due to this, water will move out of the cells into the extracellular fluid where the concentration of Na+ ions is higher.
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A blue color indicating faster moving seismic waves through the mantle is associated with what features?(check all that apply)
Group of answer choices
Mountainous volcanoes
Volcanic islands
Divergent boundaries
Convergent boundaries
Mid-ocean ridges
Tall mountain ranges
Deep ocean trenches
Hot spot
Answer: 2 of them are deep ocean trenches and tall mountain ranges.
Explanation: I just did this quiz and my results said deep ocean trenches and tall mountain ranges are correct. Mid-ocean ridges and divergent boundaries are wrong. I know this doesn't help much but it's all I can do for you. Sorry!
Create a ranking system for the terms from one to six. The first one has been completed for you. Rank the remaining terms as two through six.
1) letter
chapter
word
page
book
sentence
Answer:
2 - word
3 - sentence
4- page
5 - chapter
6 - book