Ch. 3: Anatomy of the Cell

Question 1

What is the remarkable basic unit of living things?

Answer 1

The cell

Question 2

Unabated

Answer 2

Without any reduction in intensity or strength

Question 3

What are the three molecules that made up the primitive atmosphere?

Answer 3

Methane gas (CH4), water, and ammonia (NH3)

Question 4

Protoplasm

Answer 4

The colorless material comprising the living part of the cell, including the cytoplasm, nucleus, and other organelles

Question 5

What used to float freely in gelatinous protoplasm?

Answer 5

DNA (Was known as a prokaryote)

Question 6

Eukaryote

Answer 6

A cell in which the genetic material is DNA combined with protein to form chromosomes.

Meaning a true nucleus

Question 7

Nuclear envelope

Answer 7

Monitors the flow of molecules in and out of the nucleus (Surrounds chromosomes)

Question 8

Would a small cell with a proportionately large surface area complete its metabolic functions more rapidly than a large cell with a relatively small surface area?

Answer 8

Yes

Small cells have smaller nutritional requirements than large cells but have a proportionately large surface through which they can absorb the substances they need

Question 9

Why are cells not the size of watermelons?

Answer 9

They would not be able to take in nutrients fast enough to feed themselves and would die

Question 10

What are the three essential structures found in all mammalian cells?

Answer 10

1. The cell membrane
2. The cytoplasm
   - Cytosol
   - Cytoskeleton
   - Organelles
3. The nucleus