Egg whites consist primarily of water and the protein albumin. When you fry an egg, why does the egg white turn from clear to white?
A. The protein becomes dissociated.
B. The protein acquires tertiary structure.
C. The protein becomes denatured.
D. The protein becomes dehydrated.
C
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Nuclear pores permit the passage of all the following except:
A. RNA only outward. B. proteins inward and outward. C. DNA molecules only outward.
You stain a cell with a dye that reacts with an enzyme found in the lysosome. You would also expect to see this dye in the:
A. nucleus. B. mitochondria. C. endoplasmic reticulum. D. cytoplasm.
The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which species has the greatest number of ancestral character states (pleisiomorphies)?
A. 1
B. 2
C. 3
D. 4
E. 5
F. 6
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?
The plague is typically transmitted via the bite of
A. ticks. B. fleas. C. lice. D. mites.