Q: Scientists think that stars and galaxies make up only a small part of the matter in the universe. what is the rest of the matter called? Choices: - typical matter - light matter - cold matter - dark matter A:
dark matter

(Question)
Q: What do you call the system of glands that release chemical messenger molecules into the bloodstream? Choices: - homeostasis system - nervous system - limbic system - endocrine system A:
(Answer)
endocrine system

Ques: Q: Neon is an example of what kind of gas? Choices: - ideal - inert - natural - noble A:
Ans: noble

(Q).
Q: Anything that has mass and takes up space is considered what? Choices: - energy - light - power - matter A:
(A).
matter

Ques:Q: Due to the __________ nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot easily diffuse across the cell membrane. Choices: - hydrophylic - saturated - catalytic - hydrophobic A:

Ans:hydrophobic

Ques: Q: Strong, stable bonds between carbon atoms produce complex molecules containing chains, branches, and rings; the chemistry of these compounds is called what? Choices: - animal chemistry - inorganic chemistry - nuclear chemistry - organic chemistry A:
Ans:
organic chemistry