The answer is an envelope.
A virus is an infectious agent that can replicate only inside a host cell. When it is outside the cell, it consists of genetic material coated with protein capsid. Some viruses also have an envelope which covers capsid. The function of the envelope is to identify and bind some receptor sites on the host membranes. After fusing with the cell membrane, it allows to capsid and genetic material to enter the cell and infect it.
Answer:
enzymes will speed up a reaction...however it will nt be used up in the reaction...it will be eliminated at the end of the reaction
Answer:
2.688 x 10^-6 oz
Explanation:
The recommended amount of blue fish in pregnant women is 0.5 pounds once a month. So, 0.5 pound is solely 8 ounces. If 0.336 oz of mercury is present in 1 x 10^6 oz of fish then (8 / 1000000) x 0.366 = 2.688 x 10^-6 oz is the amount of mercury a pregnant woman will consume if she eats half a pound of blue fish one per month.
Chemical energy
Active transport proteins have one key distinguishing feature, which is that they use chemical energy to move a substance against its concentration gradient.
Chemical energy is the ability of a chemical substance to be subjected to changes through a chemical reaction in order to change other chemical substances.
Active transport proteins are proteins that transport substances such as small molecules, or another protein against its concentration gradient. Active transport proteins require chemical energy and they change their shape when they bind with the cell’s fuel (ATP molecule).
