Respiratory proteins such as __________ in red blood cells and __________ in muscle bind oxygen and help maintain gradients that favor gas exchange.

Fill in the blank(s) with the appropriate word(s).


hemoglobin; myoglobin

Biology & Microbiology

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The results of the treatment of 20 boys with

SCID-X1 showed that a. SCID-X1 can be cured through genetic engineering. b. most of the treated boys were cured of the disease. c. a transplanted normal IL2RG gene can cure SCID-X1. d. our understanding of the human genome lags behind our ability to modify it. e. all of these are true.

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Promoters for genes that code for proteins can be isolated from a cDNA library.

Answer the following statement true (T) or false (F)

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Staphylococcus saprophyticus causes

A) cystitis. B) pyelonephritis. C) vaginitis. D) gonorrhea. E) syphilis.

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Which property of water provides the cooling effect of sweating?

Cohesiveness High heat capacity High heat of vaporization Surface tension

Biology & Microbiology