Membrane proteins that help move molecules across the plasma membrane are _______ proteins.
a) channel
b) enzyme
c) cytoskeleton
d) cell recognition
Ans: a) channel
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Mitochondria are transmitted from mothers to ____
a. all of their daughters through the cytoplasm of the egg b. all of their sons through the cytoplasm of the egg c. all of their children through the cytoplasm of the egg d. 50% of their children through the X chromosome e. 50% of daughters through the X chromosome
Female finches, which do not sing, often choose to mate with males that sing a specific, elaborate song. This is an example of
A) fitness. B) assortative mating. C) inbreeding. D) coevolution. E) sexual selection.
________ is the most abundant class of antibodies in serum.
What will be an ideal response?
Which of the following relationships is mismatched?
A. T. brucei gambiense and Gambian sleeping sickness B. Black flies and Onchocera volvulus C. T.brucei rhodesiense and West African sleeping sickness D. Tsetse fly and African Sleeping sickness E. Teania solium and swine