Which statement best describes meiosis?
A. Meiosis is a type of cell division that involves sperm and egg cells.
B. Meiosis is a type of cell division that involves all cell types except sperm and egg cells.
C. Meiosis is a type of cell division that involves all cell types in the human body.
D. Meiosis is a type of cell division.
Answer: A
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What is the superficial fibrous covering of the heart that is composed partly of dense irregular connective tissue?
A. Visceral layer of the serous pericardium B. Myocardium C. Parietal layer of the serous pericardium D. Endocardium E. Epicardium
Which activated clotting factors produce prothrombinase?
A. Factor II and Prothrombin B. Factor V and Factor X C. Thrombin and Factor XIII D. Factor VII and Factor XII
Molecule A has a molecular weight of 175 and Molecule B has a molecular weight of 450. A 0.1 M solution of each is placed on agar gel. Which molecule will diffuse more rapidly through the agar?
A) molecule A B) molecule B C) They will move at the same rate.
Hormone secretion by the anterior pituitary is controlled by
A. hormones of the thalamus. B. neurohormones of the hypothalamus. C. itself (anterior pituitary) because it is the master gland of the body. D. the overall rate of metabolism. E. neurons from the hypothalamus.