Q: What is the plasma membrane mainly composed of? Choices: - filaments - antibodies - carbon - phospholipids A:
phospholipids

(Question)
Q: What is the hardest type of coal? Choices: - Bituminous - lignite - peat - anthracite A:
(Answer)
anthracite

Ques: Q: The a in atp is short for what? Choices: - amino - acetic - acid - adenosine A:
Ans: adenosine

(Q).
Q: What type of bonds form only between metals and nonmetals? Choices: - non-harmonic bonds - harmonic bonds - magnetic bonds - ionic bonds A:
(A).
ionic bonds

Ques:Q: When naming this type of ion the ending of the element's name is dropped and replaced with the ide suffix? Choices: - amines - oxides - cations - anions A:

Ans:anions

Ques:Q: Pale skin and reduced eyes in salamanders that live in dark caves are an example of what? Choices: - interpretation - reproduction - expansion - adaptations A:

Ans:
adaptations