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Flashcards in B1 Deck (12):
1

20 micrometers in mm and nm

0.02mm and 20000nm

2

Name parts of animal cell

Nucleus
Cytoplasm
Cell membrane
Mitochondria
Ribosomes

3

What do each part of animal cell do?

Ribosomes - makes the protein needed for cell
Nucleus - controls the cell
Cell membrane - allows things in and out of cell
Mitochondria - where respiration takes place in cell
Cytoplasm - where the chemical reactions take place

4

Name parts of plant cell

Nucleus
Cytoplasm
Cell membrane
Mitochondria
Ribosomes
Chloroplasts
A permanent vacuole
Cell wall

5

Functions of parts in plant cell (not the ones also in animal)

Chloroplasts- contains chlorophyll which allows photosynthesis to take place
Permanent vacuole- contains cell sap keeping cell structure strong
Cell wall- keeps structure in place and strong

6

What is osmosis?

Going from a high to low concentration passing through a partially permeable membrane, in other words concentrated to dilute

7

In diffusion net movement = ?

Net movement = particles moving in - particles moving out

8

Adaptations of root hair cell

Greatly increased surface area available for water to move into cell

Large permanent vacuole speeds up movement of water by osmosis from soil to root hair cell

Many mitochondria to transfer energy needed for active transport of mineral ions into root hair cells

9

Muscle cell adaptations

Contain special proteins that slide over each other making the fibres contract

Contain many mitochondria to transfer energy needed for chemical reactions that take place as cell contracts and relaxes

Store glycogen, can be used for cellular respiration by mitochondria to transfer the energy to contract

10

What are prokaryotes?

Single celled organisms (bacteria)

11

What are eukaryotes?

Have a cell membrane, cytoplasm and genetic material enclosed in nucleus

12

What is active transport?

Cells moving from low to high