Q: How are electrons shared in covalent bonds? A:
OPTIONS:
- randomly
- orderly
- unequally
- equally
equally

Q: What are the proteins called that speed up biochemical reactions in cells? A:
OPTIONS:
- peptides
- hormones
- carbohydrates
- enzymes

Answer: enzymes

Question: Q: Which constellation looks like a rectangle high in winter's south-southeastern sky? A:
OPTIONS:
- Caelum
- Apus
- Andromeda
- orion
Answer: orion

input with options: Q: The third line of defense of the immune system is called? A:
OPTIONS:
- the sudden response
- the asymptomatic response
- the malignant response
- the immune response
output: the immune response

Q: Q: The oldest fossil of land plants date back how many millions of years? A:

OPTIONS:
- 520 million years
- 350 million years
- 430 million years
- 470 million years

A: 470 million years

Q: Of course, a net external force is needed to cause any acceleration, just as newton proposed in his second law of what? A:
OPTIONS:
- land
- gravity
- speed
- motion
motion