The double helix of a relaxed closed-circular DNA molecule has one turn of the double helix per ______________base pairs
A. 1
B. 7.5
C. 8
D. 10.5
E. 12.5
D
Biology & Microbiology
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Within a long bone, the region of cartilage within the metaphysis that allows for bone growth is called the epiphyseal ______________
Fill in the blank(s) with correct word
Biology & Microbiology
After fermentation in human cells, lactate is converted to pyruvate in the
A) bone marrow. B) heart. C) muscles. D) lungs. E) bloodstream.
Biology & Microbiology
A squirrel is born and raised in captivity. Once released into the wild, it immediately begins to bury
nuts. This is an example of: a. direct fitness. b. learning. c. proximate causes. d. ultimate causes. e. habituation
Biology & Microbiology
In which animal is a countercurrent flow system used to acquire oxygen?
A. fish B. whales C. mammals D. lizards E. birds
Biology & Microbiology