Ch. 10 cellular reproduction

Question 1

As a cell becomes larger ____________ increases faster than the surface area

Answer 1

the volume

Question 2

The larger a cell becomes there is greater demand on the ______.

Answer 2

DNA

Question 3

If a cell becomes too large the cell membrane ____________ or bring in enough materials like food.

Answer 3

cannot get rid of wastes

Question 4

____________ solves the problem of getting too big because the cell divides into 2 daughter cells.

Answer 4

Cell division

Question 5

The cell copies all DNA so each daughter cell has the ______________ of original DNA.

Answer 5

exact same amount

Question 6

The cell ___________ solving the surface are and volume problem.

Answer 6

splits in half

Question 7

______________ provides genetic diversity for the continuation of a species.

Answer 7

Sexual reproduction

Question 8

The offspring is genetically identical to the single parent

Answer 8

Asexual reproduction

Question 9

In asexual reproduction there is no exchange of _______________ so no genetic diversity.

Answer 9

DNA information

Question 10

Sexual reproduction provides ____________ for the continuation of a species.

Answer 10

genetic diversity

Question 11

Asexual is reproduction without the ___________________________.

Answer 11

fusion of reproductive cells

Question 12

________________ use binary fission.

Answer 12

Prokaryotes

Question 13

The 3 phases of interphase:

Answer 13

Growth 1: cell growth
Synthase: dna replication
Growth 2: preparation

Question 14

Growth 1 phase:

Answer 14

Cells increase in size
Centrioles are duplicated
Intense growth and activity

Question 15

Synthesis Phase:

Answer 15

new DNA is synthesized when the chromosomes replicate

Question 16

G2 phase:

Answer 16

prepares for cell division

Question 17

________ is the process of cell division, including mitosis and cytokineis.

Answer 17

M phase

Question 18

Chromosomes become visible in __ phase.

Answer 18

M

Question 19

Phases of mitosis in order:

Answer 19

Prophase
Metaphase
Anaphase
Telophase

Question 20

____________ is the longest phase.

Answer 20

Prophase

Question 21

chromosomes appear & sister chromatids attach at centromere

Answer 21

prophase

Question 22

nuclear envelope breaks down

Answer 22

prophase

Question 23

centrioles begin to move to opposite poles and the spindle connects between them

Answer 23

prophase

Question 24

the chromatids attach to the middle of the spindle at their centromere, each sister chromatid faces an opposite pole

Answer 24

metaphase

Question 25

the spindle helps the sister chromatids separate at the centromere

Answer 25

anaphase

Question 26

chromosomes unwind and are no longer visible

Answer 26

telophase

Question 27

nuclear membrane reforms and the spindle breaks down

Answer 27

telophase

Question 28

In cytokinesis in animals cells _________________________________.

Answer 28

the cytoplasm is pinched into 2 equal parts

Question 29

In cytokinesis in plant cells _____________________________.

Answer 29

a cell plate forms in between the rigid cell wall