Answers
Experiment control is very useful.
What are chemical changes?A chemical change is defined as a change in which a difference in chemical composition takes place. A new substance is included in these reactions. Chemical reactions are usually indicated by a change in colour, heat modification, precipitate formation and evolution of bubbles.
Example: Oxidation of magnesium
Thus, this could be the answer.
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Related Questions
Explain how this experiment showed that genetic drift was not a cause of the antibiotic resistance
Answers
By demonstrating a consistent pattern of antibiotic resistance increase rather than random fluctuations, the experiment provided evidence against genetic drift as a significant cause of antibiotic resistance in the studied bacterial population.
To explain how an experiment showed that genetic drift was not a cause of antibiotic resistance, let's consider the following scenario:
In the experiment, a population of bacteria with varying levels of antibiotic resistance was divided into two separate groups: Group A and Group B. Each group was kept in separate environments and exposed to the same antibiotic over a period of time.
If genetic drift were a significant factor in the development of antibiotic resistance, we would expect to observe random fluctuations in resistance levels within each group over time, leading to divergent resistance patterns between the two groups.
However, the experiment showed that both Group A and Group B displayed a consistent increase in antibiotic resistance over time. This implies that there was a selective pressure favoring the bacteria with higher resistance, indicating that natural selection, rather than genetic drift, was driving the increase in resistance.
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As a fish moves from salt water to fresh water, its cells:
A. become stem cells.
B. begin endocytosis.
C. gain water.
D. fill with salt.
Answers
Explanation: cells will fill up with excess water therefore it would die.
Bird 5110 was blank than other birds on the island, which earned him the nickname blank.target 1 of 5target 2 of 5 the song of 5110 was blank the songs of other bird species on the island.target 3 of 5 the grants performed genetic testing on 5110 and determined that he was blank for a rare allele.target 4 of 5 they also determined that he was hatched on blank.
Answers
Peter and Rosemary Grant have spent years observing, marking, and measuring the Galapagos finches and their environment. During that time, they document changes in the environment and how those changes benefit certain individuals in the population.
Grant's goal is to determine how each of the 14 species of finches evolved from a likely flying ancestor from the South American continent.
Grants genetically tested 5110 and found it was a hybrid with a mix of G.fortis and G.scandens genes.
The type of this question is fill the blank:
Bird 5110 was ____ than other birds on the island, which earned him the nickname _____.The song of 5110 was _____ the songs of other bird species on the island.The Grants performed genetic testing on 5110 and determined that he was _____ for a rare allele.They also determined that he was hatched on _____.Learn more about Grants performed in genetic at https://brainly.com/question/9908253
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Which is an effect of epinephrine? Not C
Answers
Effects include increased heart rate, cardiac contractile force, electrical activity in myocardium, automaticity, systemic vascular resistance, and increased blood pressure.
An area of the teenager’s brain that is fairly well-developed early on is the nucleus accumbens. What does this area of the brain do?
Select one:
a.
Used for problem solving.
b.
It allows learning and creativity.
c.
Seeks pleasure and reward.
d.
Seeks understanding and communication.
Answers
2. What did the Watson and Crick double helix model of DNA structure
explain about this molecule.
Answers
The Watson and Crick double helix model of DNA structure, proposed in 1953, provided a breakthrough understanding of the molecular structure of DNA, which has profound implications for our understanding of genetics, heredity, and molecular biology.
What is DNA structure?The model explained several key features of DNA:
Double helix structure: The model proposed that DNA consists of two strands that are twisted around each other in a helical fashion, forming a double helix structure. The two strands are held together by hydrogen bonds between complementary nucleotide bases (adenine with thymine, and guanine with cytosine), forming base pairs along the interior of the helix. This explained how DNA can have a stable and structural integrity, while also allowing for the replication and transcription of genetic information.
Complementary base pairing: The model explained how the nucleotide bases in DNA (adenine, thymine, guanine, and cytosine) pair specifically with their complementary bases to form the "rungs" of the DNA ladder. This complementary base pairing mechanism ensures that the genetic information stored in DNA is accurately replicated and transmitted during cell division and protein synthesis.
Antiparallel orientation: The model revealed that the two strands of DNA in the double helix are oriented in an antiparallel manner, meaning they run in opposite directions. This orientation allows for the formation of hydrogen bonds between the complementary base pairs, and it has important implications for DNA replication and transcription processes.
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Which of the following describes an ocean trench
Answers
An ocean trench is described when B and C, some are found next to continents and they are long and deep.
What is an ocean trench?An ocean trench is a long, narrow depression in the ocean floor. They are typically 50 to 100 kilometers wide and 3 to 4 km below the level of the surrounding oceanic floor, but can be thousands of kilometers in length.
There are about 50,000 km of oceanic trenches worldwide, mostly around the Pacific Ocean, but also in the eastern Indian Ocean and a few other locations. The greatest ocean depth measured is in the Challenger Deep of the Mariana Trench, at a depth of 10,920 m (35,830 ft) below sea level.
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Complete question:
Which of the following describes an ocean trench
(A) A high, narrow ridge in the ocean floor
(B) Some are found next to continents
(C) They are long and deep.
(D) A shallow, wide basin in the ocean floor
It is actually the ____________ of molecules between chloroplasts and mitochondria that allows a ____________ of energy from the sun through all living things.
Answers
Answer:
It is actually the cycling of molecules between chloroplasts and mitochondria that allows a flow of energy from the sun through all living things.
Hope it helps.
Please mark it as Brainliest.
It is actually the transfer of molecules between chloroplasts and mitochondria that allows a flow of energy from the sun through all living things.
Chloroplasts and mitochondria are two organelles found in cells. Chloroplasts are found in plant cells, while mitochondria are found in all eukaryotic cells. Chloroplasts are responsible for photosynthesis, the process by which plants convert light energy into chemical energy. Mitochondria are responsible for cellular respiration, the process by which cells use chemical energy to produce ATP, the cell's energy currency.
The transfer of molecules between chloroplasts and mitochondria allows a flow of energy from the sun through all living things. In photosynthesis, chloroplasts use light energy to convert carbon dioxide and water into glucose and oxygen. Glucose is then used by cells as a source of energy, and the oxygen is released into the atmosphere. In cellular respiration, mitochondria use glucose and oxygen to produce ATP. ATP is then used by cells to power their activities.
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ses/17549/discussion_topics/235908
G
NCCT
L
Log In to Canvas Cengage eTextbook
Receptionist and the Medical Office Environment Ethics:
Chapter 5 discusses the emerging role of the medical receptionist, which includes knowing and understanding a wide
variety of laws and regulations, answering an almost constantly-ringing telephone, reviewing insurance cards, determining
insurance types or managed care plans, entering demographic data into the computer, posting a variety of transactions,
scheduling appointments, and professionalism. In other words, working as a receptionist in a medical office should be a
professionally trained medical assistant who is flexible and prepared for a variety of duties.
Scenario:
You are the patient and enter a medical office. You notice a faint smell of urine and approach the reception desk where the
receptionist is talking on the telephone. She never looks up and you wait at the desk for a few minutes, but finally give up
and sit down. She keeps talking while chewing gum and you notice her blouse is low-cut.
Instructions: For your initial post, answer the following 2 questions:
a. Discuss three (3) possible ways you could respond to her without seeming rude or embarrassing her (in your own
words).
b. How should this behavior be addressed? Who should address this employee?
Cl
Answers
a. Discuss three (3) possible ways you could respond to her without seeming rude or embarrassing her (in your own words):
Approach the situation with empathy: Begin by acknowledging the receptionist's presence and politely express your need for assistance. You can say something like, "Excuse me, I'm sorry to interrupt. I have an appointment and was wondering if you could help me with the check-in process?"Express concern and ask for clarification: In a non-confrontational manner, mention the faint smell of urine and inquire if there is a maintenance issue or if they are aware of the situation. You can say, "I noticed a faint smell and wanted to make sure everything is alright. Is there perhaps a maintenance issue that needs attention?"Provide feedback in a constructive manner: Share your observations about the receptionist's behavior without accusing or being judgmental. Use "I" statements to express how their actions made you feel. For example, you could say, "I noticed you were on the phone and it took me a while to get assistance.b. How should this behavior be addressed? Who should address this employee?
The behavior of the receptionist should be addressed to ensure a professional and welcoming medical office environment. Ideally, the responsibility lies with the supervisor or manager of the medical office.
The supervisor or manager should approach the situation with professionalism and sensitivity, providing clear feedback on the observed behavior and its impact on patients.
The discussion should also provide an opportunity for the receptionist to share any challenges they may be facing or reasons for their behavior, allowing for open communication and the possibility of addressing any underlying issues.
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The proximate significance of the fact that artificial selection can lead to change in a tested population is that it a. demonstrates that the environment has relatively little effect on the development of most behavioral attributes. b. shows that most animal species have a long way to go in reaching their full evolutionary potential. c. shows that populations often possess the potential for evolutionary change in the present, and so they could have been evolving in the past. d. demonstrates that heritable genotypic differences can influence the phenotypic differences observed among individuals in a population.
Answers
Answer:
d. demonstrates that heritable genotypic differences can influence the phenotypic differences observed among individuals in a population
Explanation:
Artificial selection is a process that aims at identifying desirable traits in animals and plants in order to perpetuate them. In artificial selection, breeders choose individuals that exhibit desired phenotypic traits for breeding, thereby shaping evolution by driving genotypic variation. A phenotype can be the result of genetic factors, environmental conditions, as well as a combination of both. In consequence, during artificial selection, higher response to selection may be attributed to a better correlation between a genotype and its phenotype.
18. How many elements do not end with the traditional element
suffix of - "ium"?
?
Answers
Answer:
38
Explanation:
There are 118 elements and 80 end in ium, meaning 38 do not
What macromolecules help to make the cell membrane
Answers
Answer: Phospholipids are the main component of a cell membrane
HOPE THIS HELPED, IF NOT SORRY. HAVE A GOOD DAY!
Endocrine system secretes hormones that
regulate the activity of reproductive system, this
is an example for: -
A. Organ systems
B. Tissue
C. Integration of organ
systems
D. Cell organization
PLEASE HELP , WILL MARK AS BRAINLIEST!!!
Answers
HELP ME PLEASE!!! How many significant digits the following measurements have? 1.090 x 10^-2g
Answers
Aerobic exercise uses enough oxygen for oxidative phosphorylation in the mitochondria of our muscles.
Explain how the products of cellular respiration change as we push our bodies harder. How does this affect our ability to continue exercising?
Answers
Aerobic is one that uses oxygen in the process of generating energy in the muscles. This type of exercise works a large number of groups rhythmically.
What happens in aerobic respiration?
Aerobic respiration is the one that participates in the control and can be probable in three steps: analysis of glycolysis, Krebs cycle and oxidative phosphorylation. When breathing, we soon imagine the inflow of oxygen and the outflow of carbonic acid through our airways.
With aerobic cellular breathing, more and more ATP is broken down so that it generates more energy so that we can continue to perform the exercises. This energy causes cells to break down fats.
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Geri says that spiders use their fangs for the same
gugese bat crustaceans use their claws Alana
dsagrees and says that spiders use their tangs for the
sane pupose that centipedes use their claws
which best explains who is conect?
O Alana is conect because spiders use their tangs to
inject venom. Centipedes use their claws for this
same purpose
O Alana is conect because spiders use their tangs to
calch preg Centipedes use their claws for this same
purpose.
O Gent is conect because spiders use their tangs to
inject venom. Crustaceans use their claws for this
same purpose.
O Gant is conect because spiders use their tangs to
calch prey Crustaceans use their claws for this
same purpose.
Answers
The correct answer to the question is that Geri is correct and Alana is incorrect. Spiders use their fangs to inject venom into their prey, which helps them to catch and kill their food. Crustaceans, on the other hand, use their claws to grab and hold onto their food, as well as to defend themselves from predators.
While centipedes also use their claws to catch prey, they do not use them in the same way that spiders use their fangs. Centipedes use their claws to grasp their prey and crush it, while spiders use their fangs to inject venom into their prey and break down its tissues. Therefore, Alana's statement that spiders use their fangs for the same purpose as centipedes use their claws is incorrect.
In summary, Geri is correct that spiders use their fangs for the same purpose as crustaceans use their claws, and Alana is incorrect in stating that spiders use their fangs for the same purpose as centipedes use their claws. Understanding the different ways that animals use their physical features to catch and kill their food is important in the study of biology and ecology.
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Why do clouds move so slowly in the sky? How do they stay in shape? explain your answer.
Answers
Explanation:
Cloud Shapes are Caused by Air
Since clouds are made up of millions of tiny pieces of water, when they are really high up in the sky where the air is very cold, the water droplets freeze into floating ice crystals. When we observe these clouds way up in the sky, they look like wispy strands.
Answer: According to my search, Clouds move because the wind is carrying the parcel of cloudy air along. ... The droplets in the cloud are moving fast with the wind, but new cloud drops are always forming in the same place where the air is pushed up near the hill, so the front of the cloud appears stationary. According to my search for the second question, The same air that flows along the foothills flows over the peaks, and yet it only forms clouds over the peaks. So clouds roughly hold their shape (for a little while) because it takes time for the humidity or temperature to change, or for the cloud to be twisted up by local air currents.
Explanation: Make sure to paraphrase. :)
Name two processes that require energy from ATP.
Answers
2) DNA and RNA synthesis
anyone here let's ch.at na yrr...What is the impact of world war 2
Answers
Answer:
Brainliest pls
Explanation:
World War II was, arguably, the most significant and influential event of the twentieth century. The devastation is almost incalculable: total military and civilian deaths are estimated at 70 to 85 million, about 3% of the global population during that time. World War II also saw the dawn of the nuclear age
Non-recombinant
chromosomes
1.) What do the labels above represent? (for example: capital "A" versus lower-case "a", and
the different letters "A or B or C"?
2.) The crossing-over (regional exchange of genetic information) occurs between homologous
chromosomes. WHY is it critical that only homologous chromosomes exchange information?
3. Why is it important that crossing-over takes place between the chromosomes from two
different parents? (answer on back).
Answers
The labels above represent different alleles of genes located on chromosomes. It is critical that only homologous chromosomes exchange information during crossing-over because homologous chromosomes have similar genes in the same order.
The labels above represent different alleles (versions of a gene) that are located on the chromosomes. Capital letters represent dominant alleles, while lower-case letters represent recessive alleles. Different letters represent different genes, and their locations on chromosomes are also different.
It is critical that only homologous chromosomes exchange information during crossing-over because homologous chromosomes have similar structures and genetic content, making it possible for them to align and exchange segments of DNA. If non-homologous chromosomes were to exchange information, the resulting genetic material would be unstable and could lead to genetic disorders or other problems.
It is important that crossing-over takes place between chromosomes from two different parents because it increases genetic diversity in offspring. Each parent contributes one set of chromosomes, and crossing-over allows for the exchange of genetic information between these sets, leading to new combinations of traits. This is important for the survival of a species as it enables adaptation to changing environments and increases the chances of finding new beneficial traits.
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How would an air mass that formed over the north pole differ from an air mass that formed over a warm
ocean?
Answers
An air mass that formed over the North Pole would differ from an air mass that formed over a warm ocean in several ways.
Air masses are large bodies of air with similar characteristics that form over a specific region of the Earth's surface and can travel long distances before encountering a different air mass that alters its characteristics. The characteristics of an air mass depend on the region over which it forms.
The air mass that forms over the North Pole would be cold and dry due to the absence of sunlight and the Arctic's high latitudes. Arctic air masses are characterized by a high pressure system that circulates air clockwise. This rotation traps cold air over the region and prevents it from mixing with the surrounding air masses.
The air mass that forms over a warm ocean would be warm and moist. The ocean surface warms the air above it, and the air acquires moisture through evaporation. The warm air then rises, causing low-pressure areas over the ocean and pulling in moisture-laden air from surrounding regions. This moist air mass travels over land, and its temperature decreases, causing it to lose its moisture content and form precipitation.
The moisture content in this air mass would be high, causing it to be humid. Air masses interact with each other and cause changes in weather patterns and climate. They also play a vital role in the Earth's energy balance and regulate temperature and precipitation patterns.
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Use the data set to answer the question. Which best describes the data set
Answers
Answer:
It is neither inaccurate nor precise.
can someone help me with this? i don’t know if there’s an answer key like a pdf but after you read it there’s some questions that are on the sheet and then three more questions that my teacher also included.. what kind of problem is happening in the kelp that is comparable to this study? What kind of experiment or data collection could you complete to investigate? What species would you focus on? Someone help please!!!
Answers
The mystery of Plum Island marsh means unexplained disappearance of marsh vegetation in the area which has been linked to a die-off of the marsh's foundation species and cordgrass.
What kind of problem is happening in the kelp that is comparable to this study?To investigate a comparable problem in kelp, researchers could conduct a survey of kelp populations in a particular area and monitor their growth and survival over time. They could also collect environmental data such as water temperature and nutrient levels, to assess potential factors that may be contributing to any observed declines.
The experiments could be conducted in the lab or in the field to manipulate specific environmental variables and measure their effects on kelp growth and survival. This investigation would provide insight into the factors driving changes in kelp populations and could help inform conservation and management strategies for these important marine ecosystems.
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based on just the anatomy, how can you distinguish the sympathetic division from the parasympathetic division of the autonomic nervous system?
Answers
Answer: sympathetic: thoracolumbar
Parasympathetic: craniosacral
Explanation:
breathing in physical phenomenon. what movement does happen when a person breathe in?
Answers
When a person breathes in, the diaphragm contracts and the lungs expand, creating a vacuum that draws air into the lungs. The air is then circulated through the lungs, where oxygen is absorbed and carbon dioxide is released.
What should know about the body parts that functions when you breath-in?The diaphragm is a vital muscle in inhaling (breath-in) and exhaling, separates the chest cavity from the abdominal cavity.
When the diaphragm contracts, it flattens and moves down. This increases the space in the chest cavity, which causes the lungs to expand. The lungs are elastic, so they expand when the space around them increases.
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Explain how different links can show a relation between two species. Describe evidence that shows other correlations and causations between the species.
Answers
Different links show relationships between two species. In the scientific world, there are three types of links, including mutualism, parasitism, and commensalism.
Mutualism is a relationship in which both species benefit. Parasitism is where one species benefits, and the other is harmed. Commensalism is a relationship in which one species benefits, and the other is not harmed or helped.One example of a mutualistic relationship is the bee and flower relationship. Bees collect nectar and pollen from flowers for their food, while at the same time, the bee helps in pollination. The bee gets food from the flower, and the flower is pollinated. This is a mutualistic relationship. A parasitic relationship is the relationship between tapeworms and humans. Tapeworms live inside the host and get their food from the host, thereby, causing harm to the host. Evidence that shows correlation and causation between the species includes physical changes in the organism or adaptations to the environment. For example, an animal that feeds on a certain plant may evolve to have a longer tongue to reach the nectar of that plant. In summary, different links show relationships between species, including mutualism, parasitism, and commensalism. The evidence for the correlation and causation between species includes physical changes or adaptations in the organism or environment.For more questions on species
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Because living beings are the same and at the same time different
Answers
Answer:
Explanation:
Living beings are an individual being, with alive by which it denotes its name, we have a life cycle and a feeding cycle that nourishes part of our organism, however this does not mean that we are the same in everything.
There are living beings suitable for different environments of life, sea, ice, heat, land, and these are the factors that differentiate us, many of these species only live under the water they breathe through trach and not a breathing system like that of dogs. example.
This is one of many differences, we are living beings but we do not have the ability to clean the atmospheric air as silver does with CO2.
The differences are multiple and vary in themselves for each living being on planet earth.
1. Segmentation first evolved in the organisms of phylum Annelida, and vertebrates evolved more recently. How does the vertebrate body plan display segmentation and what are some associated benefits
Answers
Answer:
Segmentation is a part of characteristic of the body plans of various goup of animals including the annelids, and recently developed vertebrates. There are three different segmental systems origin in development of the vertebrates that are - the somites, the rhombomeres and the pharyngeal arches.
benefits of the segmentation development are -
Different type of anatomical and morphological developments are helps in facilitate specific functions are led by the segmented body.
Paraxial mesoderm also have segmentation that helps in lateral movement
It also helps in the consistent and fast interaction or communication in the neuronal system.
Mountains are the land feature that covers most of earth surface
Answers
Answer:
False, the ocean covers 70% of the Earths surface, so it would be oceans:)
Explanation:
Hope this helps!
Answer:
False
Explanation:
I need points plz brainliest
Humans are highly dependent on fossil fuels. However, like other
natural resources, fossil fuels are unevenly distributed around the world. For example,
nearly 67 percent of the world's reserves of crude oil are currently in the Middle East. Also,
Russia has more natural gas than any other country in the world. Use a cause-and-effect
relationship to predict how human use of fossil fuels will affect their distribution over time.
Answers
Answer: I predict that human use of fossil fuels will affect their distribution over time because.
Explanation: Because if we keep on using fossil fuels over and over we eventually loose all of it because nearly 67% of the worlds reserves of crude oil are currently in the Middle East. So if we keep on using it well then there won't be anymore fossil fuels left for us, And if we keep using it, it will also slowly kill us off and also kill everything else around us.