If a carbohydrate is going to be broken down for energy, which of the following molecules would be directly involved in the breakdown?
A. Catabolic enzymes
B. Nucleotides
C. Anabolic enzymes
D. Lipids
E. Chromosomes
A
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Mendel's experiments with garden peas differed from those of other plant hybridizers of the time in that:
A. Mendel studied true-breeding strains, rather than poorly defined material. B. Mendel focused on a small number of easily contrasted traits, rather than a large number of more complex traits. C. Mendel quantified his results and looked for statistical patterns, rather than simply noting the presence or absence of a trait among a group of offspring. D. Mendel performed no crosses between strains, whereas other hybridizers did. E. Mendel studied true-breeding strains, focused on a small number of easily contrasted traits, and quantified results.
How is active immunity different from passive immunity?
a. Active immunity is slower in onset and shorter-lived. b. Active immunity is slower in onset and longer-lived. c. Active immunity is faster in onset and shorter-lived. d. Active immunity is faster in onset and longer-lived. e. Only active immunity involves antibodies.
As radiation strikes molecules in cells, it creates ____
a. charged atoms called isotopes b. charged atoms called ions c. excess storage of tRNA d. excess copies of mRNA e. excess DNA polymerase
Which of the following methods may introduce foreign DNA into a recipient?
A) transformation
B) transduction
C) conjugation
D) transformation, transduction, and conjugation