Chapter 1.3 Producing new cells Flashcards Preview

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Flashcards in Chapter 1.3 Producing new cells Deck (17):
1

The nucleus of a cell contains genetic information (DNA) organised into

chromosomes

2

The chromosome complement of a cell is the

number and type of chromosomes it contains

3

The chromosome complement of most cells is

diploid

4

A diploid is

a cell containing two sets of chromosomes

5

The nucleus controls the production of new cells called

mitosis

6

Replication is the process by which DNA

copies itself

7

During mitosis each

chromosome is replicated

8

A a replicated chromosome is called a

chromatid

9

In mitosis the nucleus of a diploid parent cell

divides to produce two diploid nuclei

10

Daughter cells are genetically

identical to their parent cell

11

The first step of mitosis is:

the chromosomes replicating and becoming visible as pairs of chromatids.

12

The second step of mitosis is:

The chromosomes line up at the equator and their chromatids are pulled to opposite poles by spindle fibers to form two new nuclei.

13

After mitosis, the cell cytoplasm

splits between the nuew nuclei to from two daughter cells.

14

Cells can be induced to undergo mitosis and cell division artificially in

cell culture

15

Cell culture requires aseptic techniques so that

the growth of other cells such as bacteria is prevented and the culture remains uncontaminated.

16

Cell culture requires nutrient agars or broths so the cells

can grow and divide.

17

In cell culture factors such as

temperature, pH and oxygen levels are controlled.