When undergoing strength training, the number of _____ in each _____ undergoes a/an _____.
A. myofibrils, muscle fiber, decrease
B. myofibrils, muscle fiber, increase
C. sarcomeres, myofibril, decrease
D. muscle fibers, muscle, increase
E. motor units, muscle, increase
B. myofibrils, muscle fiber, increase
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Based on the same graph, substances B and C
A) show saturation kinetics.
B) are transported by a transporter protein.
C) do not move by simple diffusion.
D) choices A and B only
E) all of the above
Mutagenesis ____
a. is an example of spontaneous mutation b. acts directly on proteins by causing them to unfold c. occurs due to a single mRNA being translated by too many ribosomes simultaneously d. is the production of mutations in a laboratory by exposure of a living organism to a mutagen e. occurs when errors made by DNA polymerase are not repaired
The cell membranes of wall-less archaeons are strengthened by ________.
A. lipid-containing polysaccharide B. caldarchaeol C. glycoproteins D. All of the choices are correct.
The condition known as microbial antagonism may be defined as
A) microorganisms that remain with a person throughout life. B) a relationship between two organisms where one member harms the other. C) a relationship between two organisms where only one member benefits. D) an unsuccessful microbial invasion due to the presence of preexisting microbes. E) a relationship between two organisms where both members benefit.