Heritable changes in gene expression not due
to changes in DNA sequences is termed
a. epigenetics.
b. methylation.
c. translational mutation.
d. differentiation.
e. frameshift inheritance
A
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Mitochondrial gene defects most often affect the ____________________ and the ____________________
Fill in the blank(s) with correct word
In vertebrate nervous systems, information typically flows from sensory neurons to ____ and then to ____
a. the brain; the spinal cord b. a nerve cord; ganglia c. interneurons; sensory neurons d. motor; sensory neurons e. interneurons; motor neurons
One isotope of carbon differs from other in which way?
a. atomic number b. number of neutrons c. number of electrons
Which suggests that life evolved from chemicals slowly increasing in complexity over a period of millions of years?
A) gradualism B) creationism C) chemical evolution D) natural selection