Malpighian tubules are used for excretion

____________________ Indicate whether the statement is true or false.


True

Biology & Microbiology

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A new drug is developed that targets and binds to the lipid A portion of LPS from Gram-negative bacterial cells. This drug shows a high degree of activity and binding in a test tube setting against purified lipid A. Based on this information,

A. we should fast track this drug and get it out to physicians immediately to help prevent toxic/septic shock in humans. B. we should do some animal testing with whole Gram-negative cells and the drug before we jump to any conclusions. C. we should next proceed by moving to testing in a test tube using whole Gram-negative cells to see if it binds with the same strength. D. we should abandon the drug entirely. Binding to lipid A won't kill the bacteria, so the drug is useless to develop further. It wouldn't help humans who have septic shock at all.

Biology & Microbiology

How is your body able to work against the effects of entropy?

A) Regular exercise B) Eating a balanced diet and proper nourishment C) Regular work D) Sunbathing

Biology & Microbiology

Anabolic reactions are those that ________ .

a. break down proteins into amino acids b. release energy c. increase absorption of nutrients in the small intestine d. regulates the passage of molecules in and out of a cell e. convert small molecules to larger ones

Biology & Microbiology

In a DNA double helix, _____________________

(a) the two DNA strands are identical. (b) purines pair with purines. (c) thymine pairs with cytosine. (d) the two DNA strands run antiparallel.

Biology & Microbiology