Q: Karyotyping shows whether what structures, which contain genetic information, are normal in number and appearance? Choices: - neutrons - ribosomes - nucleoids - chromosomes A:
chromosomes

Q: Over 90% of the energy we use comes originally from what? Choices: - earth - water - horizon - sun A:
sun

Q: Q: What is the term for the simplest form of matter that has a unique set of properties? Choices: - an electron - an atom - a neutron - an element A:
A: an element

Question: Q: What are lipids' function in relation to nerves? Choices: - transportation - reproduction - conservation - protection A:
Answer: protection

*Question*
Q: What reaction means, literally, "splitting with water"? Choices: - aqueous - hydroxis - fission - hydrolysis A:
**Answer**
hydrolysis

(Q).
Q: The field of organic chemistry studies the structure and reactivity of compounds containing what element? Choices: - nitrogen - hydrogen - oxygen - carbon A:
(A).
carbon