Amplification of a Second Messenger Cascade Can Take Place at This

question 7

Multiple Choice

Amplification of a second messenger cascade can take place at this level:

• A)1 activated receptor can activate numerous G-proteins
• B)1 activated G-protein can activate numerous effector enzymes
• C)1 active effector enzyme can catalyze numerous reactions
• D)1 activated protein kinase can allosterically modulate numerous proteins
• E)All of the choices are correct

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Definitions:

Developing Fetus

A prenatal human between the embryonic state and birth, during which period all major organs and structures begin to develop.

Placenta

An organ that develops in the uterus during pregnancy to provide oxygen and nutrients to the growing baby, while removing waste products from the baby's blood.

Sperm Cells

Male reproductive cells that contain genetic material and are capable of fertilizing a female's egg to create a zygote.

Egg Cells

The female reproductive cell or gamete, involved in sexual reproduction and known as an ovum.