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Revision Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What do all cells contain?

A

Chromosomes

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2
Q

A small packet of information is called…

A

Genes

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3
Q

How many chromosomes does your body contain?

A

46

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4
Q

How many pairs of chromosomes does your body contain?

A

23

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5
Q

Body cells divided into a series of stages known as the..?

A

Cell cycle

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6
Q

What does mitosis produce?

A

Two identical cells

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7
Q

Why is mitosis important?

A

Provides growth, development

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8
Q

What happens in stage one of the cell cycle?

A

Longest stage in the cell cycle, cells grow bigger, carries normal cell activities

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9
Q

What happens in stage two of the cell cycle?

A

One set of chromosomes is pulled to each end of the dividing cell, nucleus divides

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10
Q

What happens in stage three of the cell cycle?

A

The stage during which the cytoplasm and the cell membrane also divide to form two identical daughter cells.

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11
Q

The stem cell divides and becomes a hollow ball of cells called the..?

A

Embryo

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12
Q

Your bone marrow is a good source of…?

A

Adult stem cells

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13
Q

The inner cells of the embryo balls are called the..?

A

Embryonic stem cells

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14
Q

Many embryonic stem cells come from..?

A

Aborted embryos

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15
Q

Cells becoming specialised to do a specific job is called…?

A

Differentiation

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16
Q

The length of the digestive system is…?

A

6 and 9 metres long.

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17
Q

The food you take in and eat is made up of…?

A

Large insoluble molecules

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18
Q

What do enzymes do?

A

Enzymes break down the large insoluble food molecules into smaller, soluble ones.

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19
Q

DNA is contained in….

A

Chromosomes, which are found in the nucleus of most cells

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20
Q

Chromosomes consist of…?

A

Long strands of a substance called DNA.

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21
Q

What do all cells contain?

A

Chromosomes

22
Q

A small packet of information is called…

A

Genes

23
Q

How many chromosomes does your body contain?

A

46

24
Q

How many pairs of chromosomes does your body contain?

A

23

25
Q

Body cells divided into a series of stages known as the..?

A

Cell cycle

26
Q

What does mitosis produce?

A

Two identical cells

27
Q

Why is mitosis important?

A

Provides growth, development

28
Q

What happens in stage one of the cell cycle?

A

Longest stage in the cell cycle, cells grow bigger, carries normal cell activities

29
Q

What happens in stage two of the cell cycle?

A

One set of chromosomes is pulled to each end of the dividing cell, nucleus divides

30
Q

What happens in stage three of the cell cycle?

A

The stage during which the cytoplasm and the cell membrane also divide to form two identical daughter cells.

31
Q

The stem cell divides and becomes a hollow ball of cells called the..?

A

Embryo

32
Q

Your bone marrow is a good source of…?

A

Adult stem cells

33
Q

The inner cells of the embryo balls are called the..?

A

Embryonic stem cells

34
Q

Many embryonic stem cells come from..?

A

Aborted embryos

35
Q

Cells becoming specialised to do a specific job is called…?

A

Differentiation

36
Q

Chromosomes are found in…?

A

The nucleus of most cells

37
Q

What colour is the blood plasma?

A

Yellow (liquid)

38
Q

Where does the blood plasma travel in the body?

A

Through the blood cell, other substances around the body

39
Q

What does the red blood cell pick up? (In the body)

A

They pick up oxygen from the air, put it into the lungs

40
Q

What do red blood cells look like?

A

Round, slightly dense middle

41
Q

What do white blood cells form?

A

They form antibiotics against microorganisms.

42
Q

What do platelets do around the body?

A

Help the blood to clot around the womb

43
Q

What do platelets look like?

A

Red, with ends sticking out of them.

44
Q

What colour is the blood plasma?

A

Yellow (liquid)

45
Q

Where does the blood plasma travel in the body?

A

Through the blood cell, other substances around the body

46
Q

What does the red blood cell pick up? (In the body)

A

They pick up oxygen from the air, put it into the lungs

47
Q

What do red blood cells look like?

A

Round, slightly dense middle

48
Q

What do white blood cells form?

A

They form antibiotics against microorganisms.

49
Q

What do platelets do around the body?

A

Help the blood to clot around the womb

50
Q

What do platelets look like?

A

Red, with ends sticking out of them.

Biology (12 decks)

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