Aerobes use __________ as the final electron acceptor
a. hydrogen
b. carbon
c. oxygen
d. H2O
e. NAD+
Answer: c
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In a two-point cross to map genes A and B, you obtained 98 recombinant types and 902 parental types among the offspring. How far apart are these genes?
A. 9.8 cM B. 0.98 cM C. 90.2 cM D. 9.02 cM E. .098 cM 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 two-point mapping? 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?
True or false: observations allow scientists to draw tentative explanations called hypotheses
A. true B. false
The ________ are unusual creatures that stream along in an oozing mass of slime.
A. plasmodial slime molds B. ciliates C. cellular slime molds D. water molds
Alberto had a bad bump on his leg, so he went to see the doctor about it. The physician diagnosed it as a blood clot and said that blood clots can float away into the circulation. One of these floaters is called a(n) ________
A) embolus B) prothrombin C) formed element D) platelet plug