For a chemotherapeutic drug to be useful for treating cancer cells, which of the following is most desirable?
A) It is safe enough to limit all apoptosis.
B) It does not alter metabolically active cells.
C) It interferes with cells entering G0.
D) It interferes with rapidly dividing cells.
D
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A polymer with the sequence 5' ACGTACGAATAG 3' is a:
A. polysaccharide. B. protein. C. piece of RNA. D. piece of DNA. 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 know about nucleic acid structure? How does it relate to the question? 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?
Every experiment requires a(n) ____ as a baseline for comparison, a(n) ____ variable to test, and a(n)___ variable to measure.
a. independent (predictor), dependent (outcome), control group b. control group, dependent (outcome), independent (predictor) c. control group, independent (predictor) ,dependent (outcome) d. none of the above
Some bacteria use (acetyl-CoA/DHAP/TMAO) as a final electron receptor, resulting in a detectable odor.
Fill in the blank(s) with the appropriate word(s).
Honeybees have an incredible ability to distinguish thousands of different odorant molecules, using their large repertoire of olfactory receptors. A wide variety of different types of chemicals can be detected as odorants; they simply require olfactory neurons with a receptor that can bind the chemical and transduce that stimulus into a receptor potential.Honeybees can detect a variety of odorants through olfactory receptors on their antennae. You genetically engineer a receptor to be gated by the explosive chemical TNT and use a transgene to express the receptor in honeybee olfactory neurons. What would this provide to the bee?
A. The ability to see TNT B. It would have no effect C. The ability to smell TNT D. The ability to collect TNT molecules E. The ability to taste TNT