Hemoglobin is

A. a digestive enzyme.

B. a tiny nutrient carried in capillaries.

C. an oxygen-carrying pigment in blood.

D. part of the vertebrate nervous system.

What is a hard black rock with small crystals

Silkworms are raised commercially for the silk cocoons that they produce. In ten different trials, Jami's class raised silkworms under different temperatures to see what conditions are best for silkworm caterpillars in their first three instars or

What act of Congress described general organic principles that organic farmers, ranchers, and food processors must follow?

Why do crystalline solids shatter into regularly shaped fragments when they are broken?

How does a muscle spindle sense muscle stretch when the muscle is shortened?

What was the result of the human genome project?

During periods of extreme stress a client may experience elevated blood pressure, dilated pupils, and increased respirations. these unconscious responses originate in which part of the brain?

It takes about 8 minutes 20 seconds for light (or radio waves) to travel from the sun to Earth. In the future, when there is a human colony orbiting Saturn, about how long will it take you to send a message from Earth to that colony? A. 71.25 s B.

How does King Hamlet die? A. His wine glass is poisoned. B. He is thrown off a bridge. C. He is bitten by a snake. D. Poison is poured in his ear.

A group of people? A:perspectives B:insituitions C:commuinty D:circumstances