Diverse hydrophobic molecules may consist of what type of acids?
Options:
- (A) Acids
- (B) solutes
- (C) watery
- (D) three
- (E) cell
- (F) rings
- (G) dry
- (H) fatty
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Let's think first: Lipids may consist of fatty acids alone, or they may contain other molecules as well. Lipids Lipids are diverse hydrophobic molecules. Diverse hydrophobic molecules may consist of fatty acids alone.... So the answer is [(H)]

Some crustaceans feed on
Options:
- (A) phytoplankton
- (B) fungi
- (C) refraction of light
- (D) heat energy
- (E) an organism's body
- (F) carbon
- (G) algae
- (H) salt and water.
--
Let's think first: Zooplankton are tiny animals that feed on phytoplankton. Many zooplankton are crustaceans. Some crustaceans feed on phytoplankton.... So the answer is [(A)]

What can dna contain the instructions for?
Options:
- (A) keeps the organism warm
- (B) Something to move
- (C) Plant reproduction
- (D) a single protein
- (E) A computer
- (F) Animal survival
- (G) survival
- (H) an engine
--
Let's think first: Most genes contain the instructions for a single protein. Genes are made of DNA, the substrate of hereditary information. DNA can contain the instructions for a single protein.... So the answer is [(D)]