Why is carbon's ability to bond to other carbon atoms so useful in biochemistry?
a. Carbon is the only element with the ability to bond to itself as well as to otheratoms
b. Carbon is the only element with the bonding flexibility necessary to construct thevast array of biochemicals seen in living systems.
c. Carbon can bond only with N, S, H, O and P, which makes it an essential atomfor use in organic molecules.
d. More than one of the above answers is correct.
b
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In glycolysis, a major portion of the energy remains in the final product, which is called
A. glucose. B. citrate. C. glyceraldehyde 3-phosphate (G3P). D. pyruvate.
You are studying the effects of specific transcription factors on the activation of gene expression. You notice that one particular transcription factor binds far away from the promoter of its target gene. What can explain this?
A. The transcription factor transcribes small RNAs that then bind to the promoter and activate the gene's expression. B. The transcription factor tags the enhancer with ubiquitin to stimulate transcription. C. DNA looping brings the transcription factor closer to the promoter and initiates gene transcription. D. RNA looping brings the transcription factor closer to the promoter and initiates gene transcription. 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 transcriptional regulation? 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?
In a testcross, if all the offspring show the dominant phenotype, then the individual with the unknown genotype was Select one:
a. a clone of the other testcross individual. b. homozygous recessive. c. heterozygous recessive. d. homozygous dominant. e. heterozygous.
Tubular reabsorption occurs when most of the fluid and solutes move back into the ________
Fill in the blank(s) with correct word