An enzyme works only with specific substance like a Fork and knife Key and lock On and off switch A dimmer switch

Where does the moon get it's light?

Which statement best describes the central nervous system? A) It senses stimuli and carries out a reaction. B) It secretes hormones. C) It is made up of all nerve cells. D) It is made up of the brain and the spinal cord.

The process by which infectious disease occurs is known as the

Corn potatoes sugar horses smallpox (explain what these have in common)

Which hormone causes an increased output of enzyme-rich pancreatic juice and stimulates gallbladder contraction to release bile? A. gastrin B. secretin C. cholecystokinin CCK D. gastric inhibitor peptide

If you stopped eating what would be the first, second, and third organic compound your body would use for energy

Which of the following objects does not decompose 1. styrofoam 2. plastic water bottle 3. lumber 4. milk carton

Why do scientists study the formation of the earth to find other planets like ours?

In which stage of meiosis do homologous chromosomes separate?

Of these, which is a characteristic of cancer? a. uncontrolled cell growth c. is an infectious disease b. can be treated with vaccines d. none of the above