In the accompanying figure, the structure labeled as 3 is:
a. the secondary xylem.
b. formed by the division of the vascular cambium.
c. found adjacent to the pith.
d. usually referred to as wood.
e. the cork cambium.
b
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True or false: All 64 possible triplet sequences in an mRNA are recognized by a nucleic acid molecule
A. true B. false
The breast cancer gene BRCA1 has a very similar sequence in humans, mice, and gorillas, due to its origination in a common ancestor. The BRCA1 genes in these species are examples of __________________.
A. orthologs B. paralogs C. polyploidy D. synteny 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 homology? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
Behaviors that appear to be genetically programmed are called
A. voluntary. B. fixed action patterns. C. ultimate. D. reflexes. E. innate.
During aerobic respiration, which stage produces the most ATP?