Muscle cells and nerve cells in one species of animal owe their differences in structure to ...

A) Having unique ribosomes

B) Using different genetic codes

C) Having different chromosomes

D) Having different genes expressed

What is the large c-shaped mass of white matter that consists of nerve fibers that connect the two cerebral hemispheres? corpus callosum infundibulum?

Black bears in northern machigan often are seen eating berries from blackberry and blueberry patches they also forage for other wild fruits and nuts. however, black bears can also eat small mammals when necessary.

Changes in physical structure, function, or behavior that allow an organism or species to survive and reproduce in a given environment.

In some flowers, a purple pigment is synthesized from a red precursor pigment. In the absence of all pigment, flowers are white. A pure-breeding plant with red flowers was crossed to a pure-breeding plant with white flowers.

Which is the best description of photophosphorylation? the absorption of light energy by chlorophyll the conversion of light energy to chemical energy the removal of a phosphate group from a molecule the conversion of ADP to ATP using light energy

Administration of which classes of medications can decrease secretions of the upper respiratory tract?

Explain how DNA froms chromosomes in eukaryotic cells

Decomposers act in which level of the trophies pyramid?

What sort of insect has six legs? List one fact about it as well

If the velocity of an object is changing, its momentum is also changing?