You measure the amount of enzyme activity in the presence of compound X and note that as you add more substrate the amount of enzyme activity increases. This indicates that the compound X is an __________.
A. non-competitive inhibitor
B. competitive inhibitor
C. activator
D. allosteric inhibitor
E. enzyme
B. competitive inhibitor
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All of the following are ways to determine the function of annotated genes except
a. looking for similar gene sequences of known function b. examining the putative protein structure c. gene knockout experiments d. gene knockdown experiments e. finding a pseudogene for that gene
Modern genetics consists of three major branches. Which of these branches, also known as "transmission genetics," involves the study of the transmission of traits and characteristics in successive generations?
A) evolutionary B) Mendelian C) molecular D) population E) reproductive
Quorum sensing in Gram-positive bacteria generally involves the use of ________ as the external signaling molecules.
Fill in the blank(s) with the appropriate word(s).
The basic categories of hormones are peptide or proteins, steroids, and aminoacid derivatives. The chemical properties of each hormone type determine someof its functional properties and how it must interact with receptors to signal to the cell.Is it likely that a small, hydrophilic hormone can cross the cell membrane?
A. Yes B. No