Which of the following is the cancer of epithelial cells?
A. carcinoma
B. leukemia
C. lymphoma
D. myoloma
E. sarcoma
Answer: A
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What part of the attached bacteriophage enters through the host cell wall?
A. The entire virus B. Only the enzymes necessary for replication C. The nucleic acid D. The nucleic acid and capsid E. The capsid only
The pH scale is a measure of:
a. how many degrees a professor has. b. the temperature of water. c. concentration of hydrogen ion in a volume of solution. d. concentration of hydroxide ions in a volume of solution.
The krebs cycle occurs in the mitochondrion
a. true b. false
__________ are responsible for absorption and anchoring of a plant, while __________ are involved
in photosynthesis. a. Roots; leaves b. Stems; leaves c. Leaves; reproductive structures d. Reproductive structures; stems e. Roots; pollen