You just discovered a new virus. This virus infects heart muscle, where it causes inflammation. This virus has a very high mutation rate. Which of the following is the best strategy for finding a treatment for this virus?
A) Develop a vaccine from living viruses.
B) Identify the receptor this virus uses and develop an enzyme that blocks the receptor.
C) Encourage infected individuals to engage in heart-strengthening exercise.
D) Develop a drug that blocks the host's ribosomes, which the virus uses to produce its proteins.
Answer: B
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Consider the cladogram shown. Which pair of species shares the greatest number of derived characters (synapomorphies)?
A. 1 and 3
B. 6 and 4
C. 6 and 5
D. 2 and 3
E. 6 and 3
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 already know about cladistics?
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?
Which of the following would most likely have the highest DDT concentration in tissue?
a. zooplankton b. small herbivorous fish c. large predatory fish d. osprey e. large herbivorous fish
The rate at which mRNA is processed by ribosomes
is an example of a. transcriptional control. b. transcript processing control. c. transport control. d. translational control. e. post-translational control.
Consider the statement “biological systems interact.” What does this mean?
a. Systems combine to reproduce. b. Biological organisms are interdependent. c. Structure and function are not interrelated. d. Biological organisms are not interdependent. e. Every organism is in conflict with other organisms