Problem:OPTIONS:
- shell electrons
- positrons
- covalence electrons
- valence electrons

Q: Both fluorine and lithium are highly reactive elements because of their number of what? A:
****
A: valence electrons

Q: The attraction between all objects in the universe is known as ______. A:
OPTIONS:
- variation
- electricity
- magnetism
- gravity
gravity

Q: Transport vesicles move what type of molecules from the rough endoplasmic reticulum to the golgi apparatus? A:
OPTIONS:
- acids
- lipids
- hormones
- proteins

Answer: proteins

Question: Q: What is the protein that carries iron that binds with oxygen in red blood cells? A:
OPTIONS:
- keratin
- potassium
- insulin
- hemoglobin
Answer: hemoglobin

input with options: Q: These types of cella support young, growing parts of a plant? A:
OPTIONS:
- pinworm cells
- epidermal cells
- angular cells
- collenchyma cells
output: collenchyma cells

Problem: OPTIONS:
- marble
- cortex
- stack
- mantle
Q: Q: What is a fold of the outer skin lining the shell called? A:
Answer:
mantle