B1.1 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

onion cell practical

A

-peel layer of onion skin
-place 2 drops of iodine
-place cover slip

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

cheek cell practical

A

-swab inside of cheek and place on microscope slide
-place 2 drops of methylene blue stain
-place cover slip

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

examples of eukaryotes

A

fungi, animal, plant cells

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

characteristics of eukaryotes

A

have membrane bound organelles and DNA in a nucleus

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

examples of prokaryotes

A

bacteria

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

characteristics of prokaryotes

A

have DNA but not in a nucleus, also have plasmids and don’t have membrane bound organelles

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

plasmids

A

loops of DNA

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

types of electron microscopes

A

Transmission Electron Microscope- shows 2D images
Scanning Electron Microscope- shows 3D images

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

characteristics of light microscopes

A

maximum resolution: 0.2μm
magnification: X150000
specimens dead or alive: both
is staining needed: yes & no
image 2D or 3D: 2D
colour: natural colour
cost: cheap

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

characteristics of electron microscopes

A

maximum resolution: 0.1nm
magnification: 500000
specimens dead or alive: dead
is staining needed: yes
image 2D or 3D: 2D & 3D
colour: black and white or computer generated colour
cost: expensive

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

example of membrane bound organelle

A

mitochondria

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

nucleus

A

controls cell and contains genetic material

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

cytoplasm

A

where chemical reactions take place

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

cell membrane

A

barrier that controls what goes in and out of a cell

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

mitochondria

A

site of respiration

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

cell wall

A

provides structure

17
Q

vacuole

A

contains sap and provides support

18
Q

chloroplasts

A

contain chlorophyll and are site of photosynthesis