What kind of enzyme adds phosphate groups to enzymes for the purpose of activating or deactivating them?

Defend or refute the argument that the government has too large a presence in the agriculture industry.

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.

What can happen to an enzyme as tempature rises