Plant cell walls contain which of the following:

A-Cellulose

B-Starch

C-DNA

D-RNA

What are the 2 elements involved in the sun's production of energy?

What are the general functions of a mitochondria

True or False Diatoms arena type of protozoa.

Which type of change was seen in the ecosystems affected by the 1988 fires in Yellowstone Park? primary succession secondary succession a climax community species extinction

What are the 3 monomers, or nucleotides, of DNA?

What do areas of high albedo have in common?

What does a ribosome do

What is genetic modified food

In ancient times, scientists believed that matter could be destroyed by burning or breaking. Modern scientists believe that matter cannot be destroyed. What best accounts for these different opinions? A.

Which describes uniformitarianism? A. The rates of geologic processes slow down with time. B. Geologic processes are different over time. C. Geologic processes operating now are the same as those that operated in the past. D.