Q: _________ are one-celled organisms with a nucleus which cause diseases such as malaria. Choices: - fungi - mosquitos - larvae - protozoa A:
protozoa

(Question)
Q: What is the leading cause of death in the united states? Choices: - suicide - automobile accidents - lung cancer - heart disease A:
(Answer)
heart disease

Ques: Q: What element once commonly used in paint and gasoline has now been found to have dangerous effects? Choices: - plastic - chromium - niacin - lead A:
Ans: lead

(Q).
Q: What is the process in which producers get their energy from sources other than the sun? Choices: - electrolysis - phototropism - biosynthesis - chemosynthesis A:
(A).
chemosynthesis

Ques:Q: With what does cytokinins act in concert to stimulate cell division and influence the pathway of differentiation? Choices: - dna - hormone - ribosomes - auxin A:

Ans:auxin

Q: What two types of junctions do animal cells have? Choices: - gap and solid - loose and tight - standard and specialized - tight and gap A:
tight and gap