Cell division Flashcards

Hamburger (34 cards)

1
Q

What is the smallest unit of life

A

A cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the biggest organelle in eukaryotes

A

A nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is in the nucleus

A

DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is DNA and what does it stand for

A

DNA is genetic material and stands for deoxy ribo nucleic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does DNA look like in the nucleus

A

It looks like a jumbled up ball of yarn made of a spiraling ladder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are genetic materials

A

Genes or traits passed from parents to offspring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How does DNA grow develop and reproduce

A

Through stages called inter phase and mitosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What happens during inter phase

A

DNA develops and replicates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does replication mean

A

Copy or duplicate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What happens during replication

A

DNA replicates and is wrapped up into a chromatid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is a chromatid

A

Neatly wrapped up DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is a chromosome

A

DNA wrapped around a protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How many chromosomes do people have

A

46 chromosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How many chromosomes does a parent give do an offspring

A

23 chromosomes from each parent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Each segment of DNA is called a

A

Gene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What do genes contain

A

genetic traits

16
Q

What happens during mitosis

A

Chromosomes go through 5 phases

17
Q

What are all 5 phases of mitosis

A

Prophase, Metaphase, Anaphase, Telophase, Cytokenisis

18
Q

what happens during phase 1

A

Chromosomes appear

19
Q

What happens during phase 2

A

Chromosomes line up

20
Q

What happens during phase 3

A

Chromosomes seperate

21
Q

What happens during phase 4

A

chromosomes pinch

22
Q

What happens during phase 5

A

Cytoplasm pinches and separates making 2 new cells

23
Q

How many chromosomes do sex cells have

A

23 in eggs and sperm

24
How many chromosomes do body cells have
46 each
25
What is a cell with full sets of chromosomes called (46)
A Duploid cell
26
What is a cell with half a set of chromosomes called (23)
A Haploid cell
27
Do bacteria go through mitosis
No, they do not have a nucleus
28
How do bacteria cells divide
Binary fission
29
Why do body cells divide
To repair grow and develop
30
what is the backbone of DNA called
Sugar phosphate
31
The DNA bases are
Guanine, Cytosine; Thymine, Adenine
32
What pairs with Thymine
Adenine
33
What pairs with Guanine
Cytosine