Complement is a group of ______ found in the bloodstream.
A. carbohydrates
B. phospholipids
C. steroids
D. proteins
D. proteins
Biology & Microbiology
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The majority of bacterial DNA is negatively super coiled
Indicate whether the statement is true or false
Biology & Microbiology
Lesion-replicating polymerases are _________
A. Only active in skin cells B. Used to replicate damaged DNA C. Used to induce genetic diversity D. None of the answers are correct
Biology & Microbiology
In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization?
a. chloroplast b. lysosome c. central vacuole d. peroxisome e. glyoxysome
Biology & Microbiology
Which of the following antibiotics is NOT bactericidal?
A) aminoglycosides B) cephalosporins C) polyenes D) rifampins E) penicillin
Biology & Microbiology