Which of the following are true?
i. Genetic drift occurs by chance and Natural selection is dependent on the trait possessed.
ii. Genetic drift is dependent on the trait possessed and natural selection occurs by chance.
iii. Genetic drift has a correlation with the population size.
iv. Natural selection has a correlation with the population size.
A. i and iv
B. ii and iv
C. ii and iii
D. i and iii
Answer: D. i and iii
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Which of the following statements best describes the difference between mitosomes and mitochondria?
A. Mitosomes are not involved in ATP production. B. Mitosomes are much larger than mitochondria. C. Mitosomes contain hydrolytic enzymes that help the protozoan digest food particles. D. Mitosomes have one membrane whereas mitochondria have a double membrane.
The protein coat covering the nucleic acid core of the virus is called the
a. capsid. b. virion. c. nucleocapsid. d. envelope. e. membrane.
Four of the five answers listed below are functions of parenchymal tissue. Select the exception
a. conduct water b. wound healing c. food storage d. conduction of photosynthesis e. secretion
When the egg leaves the oviduct, it normally passes directly into the
A. abdominal cavity. B. ovary. C. uterus. D. vas deferens.