The greenhouse effect is caused by

a. co2 traps heat in from from the sun

b. causes the temp of earth to increase

c. all of above

d. none of the above

Animals that feed exclusively on plants are called what?

Why ornithine is unlikely to be found in proteins in vivo mcat?

Proofreading removes app. 99% of mismatches before DNA replication moves on. After proofreading what is the mutation rate for DNA replication in humans. A. 10^-4 mutations/base pair B. 10^-6 mutations/base pair C. 10^-8 mutations/base pair D.

What level of biological organization comes just above the tissue level (for example, what level is immediately above the tissue level in complexity) ? molecular level organ system level organ level cellular level community level?

What will happen to the balloon stretched over the mouth of this "empty" bottle when the bottle is placed in hot water? Explain all the energy transfers

Explain how organisms contribute to fossil fuels.

Organisms that break down complex compounds and dead tissue are

Which is an example of dehydration synthesis? A.) DNA synthesis from nucleotides B.) conversion of proteins into its amino acids C.) conversion of lipids into fatty acids

Making chemical energy from light energy is called cellular respiration. True or false

True or false, in the water molecule, electrons are equally shared by hydrogen atoms and oxygen atoms