Each enzyme produced by the body is

a. specific—meaning it is only able to catalyze a reaction with a certain molecule.
b. incomplete—meaning it requires other parts before it is able to bind to a molecule.
c. immature—meaning it cannot catalyze a reaction until many years later.
d. open—meaning it is able to catalyze a reaction with any molecule.

A. specific—meaning it is only able to catalyze a reaction with a certain molecule.

Explanation:

Study Island

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.

i wish i could with all of them i can barley see the first one so here's the answer to the first one b