The plasma membrane is composed of ____
a. water and salts
b. proteins
c. nucleic acids
d. primarily phospholipids
e. proteins and carbohydrates
ANSWER: d
Biology & Microbiology
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A striking feature of Clostridium tetani that differentiates it from other pathogenic species of Clostridium is its ability to
A. produce a greenish pigment. B. form spores. C. form terminally located, spherical spores. D. grow aerobically
Biology & Microbiology
Amino acids are assembled within the cells to form:
a. nucleic acids. b. triglycerides. c. phospholipids. d. polypeptides. e. DNA.
Biology & Microbiology
__________ are jawless fishes with a backbone. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
What component of the cell is the site of polypeptide assembly?
a. nucleus b. mitochondria c. vesicles d. ribosome e. lysosome
Biology & Microbiology