Q: What do we call coiled structures made of dna and proteins? Choices: - nodes - Organisms - Molecules - chromosomes A:
chromosomes

Q: What is the term for the basic contractile unit of the muscle? Choices: - filament - sphincter - bandimere - sarcomere A:
sarcomere

Q: Q: Precipitation, evaporation, transpiration, and condensation are part of what cycle? Choices: - life cycle - air cycle - cold cycle - water cycle A:
A: water cycle

Question: Q: What molecule is used for most energy functions in organisms? Choices: - DNA or deoxyribonucleic acid - RNA or ribonucleic acid - ADP or Adenosine Diphosphate - atp or adenozine triphosphate A:
Answer: atp or adenozine triphosphate

*Question*
Q: Where on the earth's surface does the water cycle takes place? Choices: - on , below , and below - for , above , and below - inside,under,above - on, above, and below A:
**Answer**
on, above, and below

(Q).
Q: Bacterial contamination of foods can lead to digestive problems, an illness known as what? Choices: - acid reflux - headache - ulcers - food poisoning A:
(A).
food poisoning