chapter 3 studYing

Question 1

What is diffusion?

Answer 1

The movement of particles from regions of higher density to region of lower density.

Question 2

At which step of the cell cycle does the Cytoplasm divides and a cell plate forms on the bottom of the cell ?

Answer 2

Cytokinesis

Question 3

At which step of the cell cycle does the chromosomes become homologous chromosomes?

Answer 3

Metaphase

Question 4

Active transport is the movement of substances from areas of ___ density to areas of ___ density; this (does; doesn’t ) require the use of ATP energy

Answer 4

Low to high

does

Question 5

Passive transport is the movement of substances from areas of ___ density to areas of ___ density; this (does; doesn’t ) require the use of ATP energy

Answer 5

high to low

doesn’t

Question 6

what is the difference between animal and plant cell divison?

Answer 6

the plant cells forms a cell plate during cytokinesis

Question 7

Osmosis and diffusion is an example of what?

Answer 7

Passive transport

Question 8

What are the 3 stages of the cell cycle?

Answer 8

interphase
mitosis
cytokinesis

Question 9

What are the 6 steps of the cell cycle?

Answer 9

Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

Question 10

What are the 4 phases of mitosis?

Answer 10

Prophase
Metaphase
Anaphase
Telophase

Question 11

How do prokaryotic cells reproduce?

Answer 11

through binary fission

Question 12

How do Eukaryotic cells reproduce?

Answer 12

Through the cell cycle

Question 13

How does a large particle get in a cell?

Answer 13

Endocytosis: the cell surrounds the particle until it becomes a part of the cell

Question 14

How does a large particle get out of a cell?

Answer 14

Exocytosis: the cell pushes the particle to the cell membrane and shoots it out

Question 15

what is the difference between a prokaryotic and a eukaryotic cell?

Answer 15

a nucleus is in the eukaryotic cell.

Question 16

Dropping food coloring into water is an example of what?

Answer 16

Diffusion

Question 17

food coloring carried by water into a plant, making it red, is an example of what?

Answer 17

Osmosis

Question 18

what is a centromere?

Answer 18

the middle part of the chromosome that holds the 2 chromatids together.

Question 19

A chromosome consists of ____ chromatids

Answer 19

2