Q: The sun emits energy in the form of what? Choices: - mechanical radiation - particles radiation - microwave radiation - electromagnetic radiation A:
electromagnetic radiation

(Question)
Q: Blood calcium levels are tightly regulated by the what system? Choices: - digestive - cardiovascular - nervous - endocrine A:
(Answer)
endocrine

Ques: Q: Just as the reaction of a diol and a diacid forms a polyester, the reaction of a diacid and a diamine yields this? Choices: - phenol - polyethylene - acetone - polyamide A:
Ans: polyamide

(Q).
Q: The chytrids the only class in the phylum chytridiomycota is the chytridiomycetes. the chytrids are the simplest and most primitive eumycota, or true this? Choices: - acids - proteins - organisms - fungi A:
(A).
fungi

Ques:Q: Cells infected with viruses secrete what example of early induced proteins, which travel to adjacent cells and induce them to make antiviral proteins, a sacrifice that protects the surrounding cells? Choices: - hormones - prokaryotes - metabolites - interferons A:

Ans:interferons

Question: Q: The force on a charged particle in a magnetic field is always perpendicular to both its velocity vector and the? Choices: - position vector - track vector - gravity vector - field vector A:
Answer:
field vector