The cell membranes of all three domains are composed of straight carbon chains attached to glycerol by ester linkage
Indicate whether the statement is true or false
FALSE
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Which of the following is most correct regarding genes, DNA, and protein?
A) A gene is a section of DNA whose sequence encodes a particular protein, which is composed of amino acids. B) A gene is a section of a chromosomal DNA composed of many amino acids. C) DNA is composed of many genes, which are formed from amino acid sequences. D) DNA is composed of amino acids, which encode the protein and genotype.
The amount of air that remains in the lungs after a forced exhalation is called _________________
Fill in the blank(s) with the appropriate word(s).
Two major types of protein secondary structures are referred to as:
a. amino and carboxyl. b. ? helix and ? sheet. c. elementary and primary. d. residual and permanent. e. ionic and covalent.
Ergot produces a psychogenic compound related to LSD and is
A. a fungal disease of rye crops and other grasses. B. a predatory fungus that traps nematodes. C. a carcinogen produced by fungi. D. the cause of bread mold. E. a colorful poisonous mushroom.