In which cellular location would you expect to find ribosomes translating mRNAs that encode ribosomal proteins?
(a) the nucleus
(b) on the rough ER
(c) in the cytosol
(d) in the lumen of the ER
(c) Ribosomes are cytoplasmic proteins and thus their protein components are translated in the cytosol.
Biology & Microbiology
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Which component in the cell membrane restricts the passage of water-soluble substances?
a. sterols b. phospholipid c. protein d. glycolipids
Biology & Microbiology
Movable bones are features of the sense organs
associated with a. sight. b. hearing. c. taste. d. smell. e. touch.
Biology & Microbiology
Changes in the number of copies of chromosomal DNA segments and the genes they contain are called
____________________.Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Which of the following proteins is found only in the RNA polymerase holoenzyme?
A) Alpha B) Beta C) Epsilon D) Sigma E) Rho
Biology & Microbiology