Ques: Q: One gram of carbohydrates provides how many calories of energy? Choices: - eight - one - two - four A:
Ans: four

Ques: Q: A genetic molecule is called dna, which stands for this? Choices: - di-nitrous ammonia - dark nitrogen amine - dense ribonucleic acid - deoxyribonucleic acid A:
Ans: deoxyribonucleic acid

Ques: Q: The photoreceptive cells of the eye, where transduction of light to nervous impulses occurs, are located in this? Choices: - pupil - cornea - sclera - retina A:
Ans: retina

Ques: Q: What are most metal objects made of? Choices: - tin - aluminum - bronze - metal alloys A:
Ans:
metal alloys