The sedimentary rock known as ________ stores carbon deposited by the shells of ocean animals

Fill in the blank(s) with correct word


limestone

Biology & Microbiology

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Match the following items with the correct phrases.

_______1. The ____________________ produced by Clostridium botulinum and Clostridium tetani are examples of virulence factors. _______2. The ____________________ produced by Clostridium perfringens and Streptococcus pyogenes are examples of virulence factors. _______3. _______________ are exoenzymes that cause clot formation. _______4. _______________ are exoenzymes that dissolve clots. _______5._______________ are produced by Clostridium difficile, Salmonella spp., Shigella spp., Vibrio cholerae, and certain serotypes of E. coli. a. coagulases b. enterotoxins c. kinases d. necrotizing enzymes e. neurotoxins

Biology & Microbiology

When two genes are located on different chromosomes, ____ of the offspring from a testcross for

genetic linkage should have a recombinant phenotype.

a. over 75% b. about 50% c. about 25% d. about 10% e. about 5%

Biology & Microbiology

D

Biology & Microbiology

If a cell contains chloroplasts, what type of cell must it be?

a. a prokaryotic cell b. a fungal cell c. a plant cell d. an animal cell

Biology & Microbiology