The molecular defect in sickle cell anemia is known to reside at the position ____________________

of the ____________________ globin Fill in the blank(s) with the appropriate word(s).


ANS: 6; beta

Biology & Microbiology

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The cell wall of bacteria constrains the ________ that results from the osmolarity of the cytoplasmic contents.

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

Biology & Microbiology

Based on the data in the accompanying figure, the condition that results in root development is:

a. a high ratio of auxin to cytokinin. b. a low ratio of auxin to cytokinin. c. a relatively equal proportion of auxin to cytokinin. d. cytokinin levels of at least 0.2 mg/L. e. auxin concentrations of 0.5 mg/L.

Biology & Microbiology

Which of the following organisms is able to hydrolyze sodium hippurate to benzoic acid and glycine?

A. Streptococcus agalactiae B. Proteus mirabillis C. Eschericia coli D. Enterococcus faecallis

Biology & Microbiology

The ____ carries sperm away from the epididymis.

A. vas deferens B. urethra C. seminal vesicle D. ejaculatory duct E. prostate

Biology & Microbiology