The observable traits expressed by an organism are described as its ________.

a) phenotype
b) genotype
c) alleles
d) zygote


Ans: a) phenotype

Biology & Microbiology

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Communication between neurons is achieved by 

A. hormones. B. electricity. C. neurotransmitters. D. depolarizing the synapse.

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What are the two main steps that must happen to a protein in order for it to be catabolized and broken

down by the citric acid cycle?

a. The protein must be phophorylated and broken into amino acids. b. The protein must be glycosylated and transported to the liver. c. The protein must be hydrolyzed and the amino group removed. d. The amino group must be removed followed by the carboxyl group. e. The protein is broken into monomers and converted to acetate.

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What species did the HIV-1 genome evolve from?

a. Chimpanzees b. Gorillas c. Pigs d. Spider monkey e. Cows

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What type of reaction is aerobic respiration?

a. redox b. anabolic c. hydrolysis d. glycolysis e. polymerization

Biology & Microbiology