input: OPTIONS:
- mirror
- instance
- photo
- image Now, answer this question: Q: A visual "copy" of an object that is formed by reflected or refracted light is called what? A:
A:
output: image

Q: Name the two types of nucleic acids. A:

OPTIONS:
- isoleucin and leucine
- dna ( trigraph acid ) and rna ( ribonucleic acid )
- lysine and methionine
- dna (deoxyribonucleic acid) and rna (ribonucleic acid)

Answer: dna (deoxyribonucleic acid) and rna (ribonucleic acid)

Problem: OPTIONS:
- mammals
- dinosaurs
- reptiles
- fish
Q: Q: The earliest vertebrates were jawless what? A:
Answer: fish

Problem:OPTIONS:
- path
- positive
- simple
- opposite

Q: Sodium and chloride ions have equal but what charges? A:
****
A: opposite

Q: Like mitochondria, plastids contain their own what? A:
OPTIONS:
- riboflavin
- bacteria
- molecule
- dna
dna

Q: The fact that water in a reservoir is elevated above the ground means that it has what kind of energy? A:
OPTIONS:
- excessive
- nuclear
- kinetic
- potential

Answer:
potential