Antibodies, certain hormones, and hemoglobin are all:

fats

proteins

sucrose

polysaccharides

What are the six criteria pollutants monitored under the 1990 clean air act?

What is the tough and flexible layer that surrounds plant cells as well as some algal and bacterial cells?

What is the difference between aerobic and anaerobic processes

Assuming independent assortment, how many different gametes can be formed by an organism that is homozygous for three and heterozygous for two genes?

How do scientist determine the health of a body of water? What factors are consider?

The derived characteristic of protostome development is found in which of the following phyla? a. Cnidarians b. Sponges c. Echinoderms d. Roundworms

Darwin examined remains of extinct organisms while on his journey. The remains had been preserved in rock for a very long time. What are these remains called?

Explain how the process of weathering benefits living organisms.

Wath happens when a mixture of oil and water sits for 3 minutes in a beaker?

Which statement describes what is happening at high tide? a. The moon is revolving more quickly than the Earth is rotating. b. The moon's gravity is dragging water away from the equator. c. The moon's gravity is pulling ocean water into a bulge. d.