The human-accelerated region 1 (HAR-1 ) gene
A) was identified by functional genomics.
B) is identical to the chimpanzee HAR-1.
C) encodes for the human accelerated region-1 protein.
D) is a small, noncoding RNA expressed in the brain.
E) is a small, regulatory RNA that regulates gene expression.
D
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The portion of an enzyme to which substrates bind is referred to as the
A) substrate complex. B) active site. C) catalytic site. D) junction of van der Waals forces.
Red-green color blindness is an X-linked recessive
trait in humans. A color-blind woman and a man with normal vision have a son. What is the probability that the son is color blind? a. 100% b. 75% c. 50% d. 25% e. 0%
Salted and pickled foods can last unrefridgerated for many years because
A. the extreme salt or pH concentration denatures the proteins, including enzymes. B. the concentration gradient of salt or vinegar causes osmosis into the food. C. equilibrium with the environment has occured. D. the concentration gradient of salt or vinegar causes osmosis out of the food. E. the concentration gradient of salt or vinegar causes osmosis out of the food and the extreme salt or pH concentration denatures the proteins, including enzymes.
When zygosporangia germinate, they must undergo ________ before forming hyphae
A) fertilization B) mitosis C) sporulation D) meiosis