How does an enzyme's active site relate to its substrate?

They are both used up by a single chemical reaction.

Their shapes fit snugly together.

One is soluble in water, and the other is insoluble.

They are identical in chemical makeup.

Homologous structures might be the result of a change in allele frequencies over successive generations. why have these structures probably continued? they were predestined in a species. they were beneficial in a particular environment.

Muscle cells have many mitochondria for A) energy. B) protection. C) divisibility. D) reproduction.

Compared to most other substances, a great deal of heat is needed to raise the temperature of water by a given amount. This is because water A. is an acid. B. readily forms solutions. C. acts as a buffer. D. has a high specific heat capacity.

Photosynthesis continues to increase with temperature

When the ocean floor collides with crustal plate? 1) mountain ranges are formed 2) the ocean floor slides underneath 3) salt domes are formed 4) specific gravity of rock changes

Explain what feeding behaviors shown make a food web a better choice for displaying this information than an energy pyramid

What is the most complex structure of the human body that supports growth and survival

Give the base sequence of the complementary DNA strand

How is the amount of daylight related to the sun's apparent path?

Scientists cannot define life, but they can list characteristics that are true of all life