Almost all enzymes are
a. carbohydrates.
b. proteins.
c. lipids.
d. nucleic acids.
e. amino acids.
B
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Resting membrane potential may be defined as
a. the difference of charge between cytoplasmic side of cell’s membrane and outer membrane side of cell. b. a positive charge. c. an action potential. d. axon generated. e. a nerve impulse.
The aerobic breakdown of glucose yields 34 to 38 ATP, while the anaerobic breakdown of glucose yields 20 ATP.
Answer the following statement true (T) or false (F)
Which of the following statements about DNA replication is INCORRECT?
A. It begins at multiple origins of replication sites along eukaryotic chromosomes. B. Each strand within the DNA double helix is used as a template for synthesis of a new strand. C. It requires that both strands of the double helix be separated from each other. D. It proceeds with the addition of new nucleotides to the 3? end of a growing DNA strand. E. It is powered by the hydrolysis of ATP.
In order to distinguish them from bacterial flagella, archaeal flagella have been renamed as archaella because ________.
A. they are more slender than bacterial flagella B. archaean flagella are composed of more than one type of flagellin subunit C. archaean flagella are solid and not hollow D. some archaeon flagella don't have hooks E. All of the choices are correct.