Chapter 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
0
Q

What is the magnification for low, medium and high power? What is the total magnification for all?

A

4x, 10x and 40x

40x, 100x and 400x

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

What are the five characteristics?

A

Respond to the environment, Reproduce, Needs Energy, Growth and Get rid of waste.

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

What is a proper way to carry a microscope?

A

Holding the arm and base.

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

What is the function of the cell membrane?

A

It protects the cell and gives the cell shape. It also controls what comes in the cell and out of the cell.

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

What is cytoplasm?

A

It is a jelly-like substance that contains organelles, water and other life supporting materials.

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

What is the function of the nucleus?

A

The nucleus is the control centre. It controls all the activities within a cell.

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

What is the function of mitochondria?

A

They are the energy producers in the cell.

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

What do you need for cellular respiration?

A

Glucose, oxygen, co2 and water.

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

What are the function of ribosomes?

A

They assemble the proteins.

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

What is endoplasmic reticulum?

A

It is a network of membrane-covered channels that look a bit like the folds of a fan or accordion. It holds the ribosomes in place.

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

What is the function of the Golgi body?

A

It sorts the proteins and packs them into membranes-wrapped structures called vesicles.

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

What is the function of vesicles?

A

They are like a mail system. It carries the protein, nutrients, water into and out the inside of the cell.

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

What are the functions of vacuoles?

A

They are storage compartments that store waste and water.

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

What is a cell wall?

A

A tough, rigid structure that surrounds the cell membrane and gives a regular box-like shape. It also protects the cell.

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

What are the function of chloroplast?

A

It traps the energy from the sun and does photosynthesis.

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

What do you need for photosynthesis to occur?

A

Light energy, co2, water, glucose and oxygen.

16
Q

What is the cell theory?

A

The cell is the basic unit of life.
All organisms are composed of one or more cells.
All cells come for other living cells.

17
Q

What are the prokaryotic cells and eukaryotic cells?

A

Prokaryotic cells are cells with no surrounding membranes.

Eukaryotic cells are cells with surrounding membranes.

18
Q

How is bacteria helpful?

A

Bacteria can help fight infections, it can create medicine to help treat diabetes, cheese and yogurt.

19
Q

How can viruses reproduce if they are non-living?

A

Viruses need a a hot cell in the nucleus to eject its DNA into the host.

20
Q

What is diffusion?

A

The movement of particles from an area of higher concentration to low concentration.

21
Q

What is concentration?

A

The amount of substance in a given space.

22
Q

What is a selectively permeable membrane?

A

A cell membrane.

23
Q

What is osmosis?

A

The diffusion of water particles from an area of higher concentration to lower concentration.

24
Q

What is reverse osmosis?

A

When water particles flows from an area of lower concentration to higher concentration.