Ques: Q: Different colors of light differ in terms of which important attribute? Choices: - lenses - prisms - frequencies - wavelengths A:
Ans: wavelengths

Ques: Q: Timber, medicines, dyes, oils, and rubber are just some of the useful products humans derive from what? Choices: - roots - fossils - flowers - plants A:
Ans: plants

Ques: Q: What is the term for the metabolic reaction where living systems build new molecules? Choices: - symbolism - connectionism - metabolism - anabolism A:
Ans: anabolism

Ques: Q: The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids? Choices: - protons - proteins - lipids - peptides A:
Ans:
peptides