question: Viral envelopes are sometimes made of fats and what?
Options:
- (A) cellulose
- (B) glucose
- (C) Energy.
- (D) protein
- (E) viral particles
- (F) Energy
- (G) food
- (H) bacteria
answer: Some viruses have an envelope of phospholipids and proteins. Phospholipids are body fats, too. Some viruses have an envelope of fats and proteins.
The answer is (D)

question: Which body of water would be able to dissolve oxygen and nutrients the best?
Options:
- (A) NaCl
- (B) Lake
- (C) Puddle
- (D) Pond
- (E) rain
- (F) CO 2
- (G) River
- (H) sugar
answer: Running water is better able to dissolve oxygen and nutrients than standing water. Also, running water in rivers is the major force of erosion on the surface of the earth. Rivers are better able to dissolve oxygen and nutrients than standing water.
The answer is (G)

question: What occurs when the tension of cell walls are eased?
Options:
- (A) Sleep
- (B) exercise
- (C) friction
- (D) Exfoliation
- (E) recovery
- (F) dilation
- (G) sweating
- (H) murmur
answer: Dilation occurs when cell walls relax. Relaxation promotes relaxation and easing of tension. Dilation occurs when the tension of cell walls are eased.
The answer is (F)

question: What will be the result of female sperm fusing with an egg to form a diploid zygote?
Options:
- (A) baby girl
- (B) pollen
- (C) seeds
- (D) allow growth
- (E) Leptospirosis
- (F) litter
- (G) Plants growth
- (H) offspring
answer:
Fertilization occurs when a sperm and an egg fuse to form a diploid zygote. If a female sperm fertilizes the egg, the result is a baby girl. A baby girl will be the result of female sperm fusing with an egg to form a diploid zygote.
The answer is (A)