At any temperature, the metabolic rates of endotherms are always higher than those of ectotherms of comparable size
1.True
2.False
1
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Which of the following occur during the formation of an embryo from a zygote in angiosperms?
I) The root and shoot systems emerge from the seed. II) Basal cells form a connection between the parent plant and the developing embryo. III) Meiosis produces a mass of cells that become the young embryo. IV) Cells differentiate to form the basic plant tissue types. V) The early root-shoot axis is formed. A) I, II, and III B) II, IV, and V C) II, III, IV, and V D) I, II, and IV E) III, IV, and V
Weight training increases muscle mass by increasing the
a. amount of protein in individual muscle fibers. b. number of muscle fibers in each muscle. c. amount of glycogen in each muscle fiber. d. a and b. e. a and c.
A substance that an organism needs for growth and survival but cannot make for itself is referred to as a(n) ____
a. chemical b. nutrient c. atom d. DNA molecule e. carbohydrate
In what stage of syphilis do gummas develop?
a) Primary b) Secondary c) Tertiary d) Latent