Streptococcus mutans can produce dextran when sucrose is present in the absence of the enzyme dextransucrase

Indicate whether the statement is true or false.


Answer: False

Biology & Microbiology

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Aminoglycoside antibiotics

A. inhibit folic acid biosynthesis. B. inhibit cell wall synthesis. C. bind to bacterial DNA polymerase. D. bind to the 30S ribosomal subunit.

Biology & Microbiology

Why do lacOC mutants express in cis-dominant and not in transdominant fashion?

What will be an ideal response?

Biology & Microbiology

Blood calcium homeostasis is maintained by?

a. Calcium excreted or withheld by the kidneys b. Hormones that cause cells to deposit or absorb calcium on/from the bones c. Fat cells that excrete calcium via exocytosis d. liver hormones which remove or add calcium from/to the bloo

Biology & Microbiology

What is facilitated diffusion

What will be an ideal response?

Biology & Microbiology