Q: Q: Carrier proteins bind and carry the molecules across what cell structure? A:

OPTIONS:
- nucleus
- cell wall
- plastid
- cell membrane

A: cell membrane

input: OPTIONS:
- endocrine system
- circulatory system
- renal system
- nervous system Now, answer this question: Q: What system plays a critical role in the regulation of vascular homeostasis? A:
A:
output: nervous system

Q: What are the two types of properties that matter has? A:

OPTIONS:
- nature and purpose
- composition and weight
- size and shape
- physical and chemical

Answer: physical and chemical

Problem: OPTIONS:
- density
- thickness
- ambiance
- humidity
Q: Q: What is water vapor density known as? A:
Answer: humidity

Problem:OPTIONS:
- gasoline
- oil
- argon
- water

Q: The smallest and lightest alcohols (methanol, ethanol, propanol) are completely soluble in? A:
****
A: water

Problem:OPTIONS:
- invisible materials
- indestructible materials
- living materials
- nonliving materials

Q: What do some animals use for shelter? A:
****
A:
nonliving materials