Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Yr 9 biology > Topic1 Cells > Flashcards

Topic1 Cells Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

What is the function of the nucleus?

A

Contains DNA and controls the cell

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

What is the function of the cell wall?

A

Contains cellulose and provides structure

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

What is the function of ribosomes?

A

Produces proteins

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

What is the function of cilliated cells?

A

Found in the respiratory system and moves mucus out of the way

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

What is the function of root hair cells

A

Adapted so water and mineral ions are easily absorbed from the soil

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

What are the functions of white blood cells?

A

Engulfs bacteria, creates memory cells, May release antibodies and anti-toxins

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

What is the function of red blood cells?

A

Transports oxygen from the lungs to all our cells in the body

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

What is the function of cytoplasm?

A

Controls the reactions of the cell

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

What is the function of the cell membrane?

A

Allows substances in and out of the cell

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

What is the function of the vacuole?

A

Contains cell sap which helps keep the cell turgid

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

What is the function of chloroplasts?

A

Site of Photosynthesis, contains chlorophyll

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

What is the function of mitochondria?

A

Site of respiration

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

What is the function of palisade cells?

A

Absorbs light energy for photosynthesis

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

What is the function of guard cells?

A

Allows gas exchange in leaves and controls water loss in leaves

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

What is cell differentiation?

A

When a cell divides and becomes more specialised

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the function of a sperm cell

A

To fertillize an egg and contains genetic material

17
Q

What are the two white blood cells called?

A

Phagocytes and lymphocytes

18
Q

What are the adaptions of a sperm cell

A

Has A large tail to swim and has a large nucleus to store more genetic information

19
Q

What are the adaptations of a root hair cell

A

They greatly increase the surface area available for water to move into the cell

20
Q

What are the adaptations in a palisade cell

A

Contains chloroplasts that trap light needed for photosynthesis

21
Q

What is the function of the xylem

A

Is the transport tissue in plants that carries water and minerals

22
Q

What are the adaptations of the xylem?

A

The spirals and rings of lignin in the xylem makes them very strong

23
Q

What is the function of the phloem cell

A

Carries food made by photosynthesis around the body of the plant

24
Q

What are the adaptations of the phloem cells?

A

The cell walls between the cells break down to form special sieve plates

25
Q

What does the term” specialised cells” mean

A

They are cells that have developed specific structures and functions to perform particular tasks in the body

26
Q

What is the function of the nerve cell?

A

Provides a rapid communication system and also carries electrical impulses around the body

27
Q

What are the adaptations of a nerve cell?

A

They contain lots of mitochondria to provide the energy needed to make the transmitter chemicals

28
Q

What are the functions of A muscle cell?

A

They contract and relax in pairs to move the skeleton

29
Q

What are some adaptations of a muscle cell?

A

They contain lots of mitochondria and they also have special proteins that slide over eachother making fibers contract.

30
Q

How are electron microscopes different than regular microscopes?

A

-Electron microscopes have a higher magnification and resolution
-more detailed view of structures

Yr 9 biology (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions