input: OPTIONS:
- pulses
- proteins
- information
- signals Now, answer this question: Q: For the nervous system to function, neurons must be able to send and receive what? A:
A:
output: signals

Q: What parts of the cell does cell differentiation involve changes in? A:

OPTIONS:
- cystine and cell wall
- endoderm and epidermis
- cell membrane and nucleus
- cytoplasm and cell wall

Answer: cytoplasm and cell wall

Problem: OPTIONS:
- fruits
- legumes
- algae
- mushrooms
Q: Q: Which fungi eaten by people all over the world? A:
Answer: mushrooms

Problem:OPTIONS:
- the mesosphere
- the ionosphere
- the lithosphere
- the atmosphere

Q: Nearly all weather occurs in the lower part of what? A:
****
A: the atmosphere

Q: What kind of light bulb contains a thin wire filament made of tungsten that gets hot and glows? A:
OPTIONS:
- black light
- LED
- fluorescent
- incandescent
incandescent

Q: In ancient egypt gold mines were the property of what? A:
OPTIONS:
- prospectors
- city
- people
- state

Answer:
state