__________ determined the structure of the molecule DNA

a. Crick and Wilkins
b. Watson and Crick
c. Franklin and Crick
d. Franklin
e. Watson, Crick, and Wilkins


B

Biology & Microbiology

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Dad has a genotype of AaBb. He can produce sperm with how many different genotypes?

A. four B. two C. five D. three E. one

Biology & Microbiology

A base at the first position of an anticodon on the tRNA would pair with a base at the ________ position of the mRNA

Fill in the blank(s) with correct word

Biology & Microbiology

Why must lactic acid be removed from muscle cells?

A The lactic acid can poison muscle cells. B The lactic acid can cause muscle cells to change into fat. C The lactic acid can cause muscle cells to change into nucleic acids. D The lactic acid will cause the cytoplasm to become aerobic and very diluted.

Biology & Microbiology

Several different classes of enzymes are needed for the catabolism of carbohydrates. Which of the following descriptions best matches the function of a mutase?

(a) An enzyme that catalyzes the rearrangement of bonds within a single molecule. (b) An enzyme that catalyzes a change in the position of a specific chemical group within a single molecule. (c) An enzyme that catalyzes the oxidation of a molecule by removing a hydride ion. (d) An enzyme that catalyzes the addition of phosphate groups to other molecules.

Biology & Microbiology