The number of N and C termini in a polypeptide chain is equal to the number of amino acids that make up that chain.
Answer the following statement true (T) or false (F)
False
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In the 1920s, Otto Loewi discovered that
a. a frog heart would beat outside the animal. b. the nerve to a frog’s heart released a chemical that affected only that heart. c. neuron endings release a neurotransmitter when stimulated. d. a saline solution caused an isolated frog heart deprived of its own nerve supply to beat more slowly. e. ACh acts on skeletal muscle, smooth muscle, the heart, some glands, and the brain.
Which of the following is not an adaptation of flowering plants that contributed to their evolutionary
success? a. seed production b. a wide variety of pollination strategies c. efficient water-conducting cells d. broad leaves with large surface areas e. adaptability of the gametophyte generation
The phenotypic ratio resulting from a dihybrid cross of two heterozygote individuals showing independent assortment is expected to be
A) 1:2:1 B) 3:1 C) 9:1:1:3 D) 9:3:3:1
Which of the following is a function of the mitochondrion?
A. Tricarboxylic acid cycle enzyme reactions B. ATP synthesis C. Electron transport D. All of the choices are correct.