Which of the following describe an aspect of epistasis?
_____ A situation where a single character is controlled by more than one gene.
_____ A phenomenon where one gene masks the expression of another gene.
_____ A pattern of inheritance in which modification of a gene during gamete formation permanently affects the phenotype of the individual.
_____ A situation where one gene controls the expression of more than one character.
__X__ A situation where a single character is controlled by more than one gene.
__X__ A phenomenon where one gene masks the expression of another gene.
_____ A pattern of inheritance in which modification of a gene during gamete formation permanently affects the phenotype of the individual.
_____ A situation where one gene controls the expression of more than one character.
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A variety of proteins link actin to membranes. A ________ protein is used to link actin to the ________ membrane.
A) linker; plasma B) spectrin; ER C) ankyrin; lysosome D) band 4.1; basal E) band 4.1; mucous
The cell membrane of animal cells contains which lipid not seen in plant cells?
a. phospholipid b. glycolipid c. unsaturated fats d. cholesterol e. fatty acids
The adjective that best describes homeostasis in living organisms is
a. rigid. b. biological. c. dynamic. d. chemical. e. physical.
Which of the following is the most likely series of events?
A. Earth formed—oxygen in atmosphere—living organisms—ozone B. Ozone—living organisms—plants—organic molecules C. Organic molecules—ozone—living organisms—oxygen in atmosphere D. Organic molecules—living organisms—oxygen in atmosphere—ozone