What forms of nitrogen do plants and animals use?

Having hair on the back of the hand is dominant (H), and not having the hair is recessive (h). A mother has Hh and a father has hh. If they have a child, which genotype will make their child not have hair on the back of his or her hand?

How long is my arm?

The diagram shows a nerve cell. Which row in the table labels the diagram correctly? A B C D

What are energy solutions that release pollution into the air?

IPSPs are the result of: a. decreasing membrane conductance to potassium neurotransmitter b. binding to ligand-gated ion channels that are chloride selective inhibitory neurotransmitter c. entering the postsynaptic cell d.

What can scientists infer about the period of very early Earth from the lack of fossilized remains of oxygen breathing animals and the dominance algae?

What part of the cell membrane that recognizes chemical signs

What is a called when organisms that cannot make their own energy-rich molecules?

How did Mendel make the F1 generation for his experiments?

Write a paragraph about an insects habitat.