During interphase of the cell cycle, ________
A) the nuclear membrane disappears
B) sister chromatids move to opposite poles
C) DNA content essentially doubles
D) DNA recombines
E) RNA replicates
C
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A physician discovered a cancerous tumor in the cartilage of a patient. What type of tumor is this?
A. myoloma B. retroviral C. sarcoma D. leukemia E. cyst
A, B, and C are linked genes. Recombination between A and B is 3%; between A and C is 6%; and between B and C is 9%. What is the order of these genes on the chromosome?
A) A-B-C B) A-C-B C) B-C-A D) B-A-C
Which statement is NOT generally true of
monocot stems? a. They do not undergo secondary growth. b. They are not tapered along their length. c. Their vascular bundles are distributed throughout the ground tissue. d. Monocot stems have a single, central vascular cylinder. e. All of these are not true.
Which of the following cells function in both innate and adaptive immunity?
A) Red blood cells B) White blood cells C) Skin cells D) All of the above