Q: Although what biochemicals circulate throughout the body and come into contact with many different cell types, they only affect cells that possess the necessary receptors? Choices: - Cells - organs - enzymes - hormones A:
hormones

(Question)
Q: Hiv is a retrovirus, which means it reverse transcribes its rna genome into what? Choices: - atp - ribosomes - amino acid chains - dna A:
(Answer)
dna

Ques: Q: Do nonvascular or vascular plants have a dominant sporophyte generation? Choices: - nonvascular - deciduous - perennial - vascular A:
Ans: vascular

(Q).
Q: What do you call aquatic biomes in the ocean? Choices: - freshwater biomes - coastal biomes - ocean dwellers - marine biomes A:
(A).
marine biomes

Ques:Q: What gases move in and out of blood during gas exchange? Choices: - oxygen, carbon monoxide - nitrogen, carbon dioxide - oxygen, nitrogen - oxygen, carbon dioxide A:

Ans:oxygen, carbon dioxide

Question: Q: Since europeans settled in the united states, about what percentage of topsoil has eroded away? Choices: - 42 percent - 10 percent - 25 percent - 33 percent A:
Answer:
33 percent