Which of these often serve as cell recognition molecules on cell surfaces?
A. peripheral proteins
B. transmembrane proteins
C. glycoproteins
D. integral proteins
Ans: C. glycoproteins
Biology & Microbiology
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A chemoorganotroph and a photoautotroph in the same environment would NOT compete for
A) oxygen. B) carbon. C) nitrogen. D) carbon and oxygen.
Biology & Microbiology
What is the term for the open water portions of the ocean?
a. benthic b. intertidal c. pelagic d. neritic
Biology & Microbiology
Ocean productivity is not: a. the amount of food marine organisms can produce
b. a leading field of research. c. the amount of organisms actually harvested each year by people. d. the number of organisms the ocean can support.
Biology & Microbiology
The chromatids move toward opposite poles during ________ of mitosis
A) anaphase B) telophase C) metaphase D) prophase E) interphase
Biology & Microbiology