Consider a strand of DNA with the sequence GAATTCGGCA. What is the sequence of the complementary strand?

A) ACGGCTTAAG
B) AGGCCTAATG
C) CTTAAGCCGT
D) GAATTCGGCA


C

Biology & Microbiology

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Which one of the following is an example of potential energy? Select all correct choices

A. a moving muscle B. light C. heat D. an electrochemical gradient E. wind

Biology & Microbiology

Nitrogen-bearing compounds that affect animal nervous systems and are often bitter tasting belong to which class of compounds?

A. terpenoids B. phenols C. alkaloids D. latex E. proteins

Biology & Microbiology

A yellow jacket, an insect in the order hymenoptera, stung me. A wasp, an insect in hymenoptera, stung me. A hornet, an insect in hymenoptera, stung me. I see a pattern. All insects in this order must have stingers. What type of reasoning does this represent?

A. inductive reasoning B. deductive reasoning C. reductionism D. comparative reasoning

Biology & Microbiology

Estrogen and testosterone are steroid hormones that differ by only a few atoms. The different receptor binding properties those differences confer allow the hormones to do what during development?  

A.  Cause differential maturation of the prefrontal cortex during late adolescence. B.  Cause a slight increase in muscle mass in females versus males. C.  Make females naturally attracted to pink and males to blue. D.  Control development of all sex-specific physical traits including sex organs, body hair, and breasts. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about estrogen and testosterone? What other information is related to the question? Choose Answer Given what you now know, what information 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?  

Biology & Microbiology