1 Cell Biology - Specialised Cells Flashcards

1
Q

Explain the use of a tail in sperm cells.

A

To swim and move around (to reach the egg)

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

Why do sperm cells have lots of mitochondria?

A

To provide lots of energy for swimming

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

Describe the adaptations of a nerve cell.

A

Lots of dendrites; Long axon

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

What is the function of a nerve cell?

A

Carry electrical impulses

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

How does having a long axon help neurones with their function?

A

Carry electrical impulses over long distances

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

Describe how a muscle cell is adapted for its function.

A

Special proteins for contraction; Many mitochondria for energy; Store glycogen to release glucose for respiration

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

Root hair cells have lots of mitochondria to release energy. What is the energy used for?

A

Active transport of mineral ions into root hair cells

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

How do the extensions in root hair cells help with their function?

A

Increase surface area for diffusion of water

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

What is another name for photosynthetic cells in plants?

A

Palisade mesophyll cells and spongey mesophyl

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

How are photosynthetic cells adapted for photosynthesis?

A

Lots of chloroplasts with chlorophyll to absorb light

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

Which specialised cell in plants make up the tissue for transporting water?

A

Xylem cells

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

Name the substance found in xylem cells that allows the cells to withstand high water pressure.

A

Lignin

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

State a difference in structure between xylem and phloem.

A

X: dead, hollow tube, has lignin; P: living, has sieve plates, no lignin

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