What is a population viability analysis (PVA), and what predictions does it allow population biologists to make?
What will be an ideal response?
ANSWER: A PVA is a collection of information about a threatened species, including its diet, predators,
mating habits, space requirements, distribution, and response to disturbances. This allows
population biologists to predict the chances of its survival given various different habitat
protection scenarios.
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You recently identified a novel protein that contains several membrane-spanning domains. You would predict that the amino acids embedded in the membrane would have ____ side groups.
A. nonpolar B. negatively charged C. polar uncharged D. positively charged Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about amino acid side groups? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A genetic mistake takes place during replication and the new DNA strand has the sequence ATG. What is the three-base sequence on an RNA strand transcribed from this series of nucleotides?
What will be an ideal response?
Why is colony collapse disorder (CCD) a problem for all of us?
a. the pathogen responsible for CCD can infect multiple hosts b. the decline in honey production could cause our economy to collapse c. bees are essential as key pollinators of our agricultural crops d. actually, it’s not-- there are other pollinators that can take over for the bees e. bees could spread this disease to humans through their honey
What did Richard Axel and Linda Buck discover about the way in which we are able to perceive many different types of odors?
A. Vertebrate animals make a large number of distinct types of receptor proteins, each of which binds a particular odorant molecule or small group of such molecules. B. Odors are distinguished by the way in which they bind both olfactory and taste receptors-it is the overall "picture" generated this way that we perceive. C. Many different types of odors bind to just a few different types of receptor molecules. D. None of the answers are correct.