The Nature and Variety of Living Organisms Flashcards
1
Q
What does Mrs C Gren stand for?
A
- Movement
- Reproduction
- Sensitivity
- Control
- Respiration
- Excretion
- Nutrition
2
Q
Nucleus
A
Contains genetic material for a specific protein.
3
Q
Cytoplasm
A
- Liquid substance in which chemical reactions occur.
- Contain enzymes
4
Q
Mitochondria
A
Where aerobic respiration reactions occur. Provide energy
5
Q
Cell membrane
A
Receptor molecules. Choose what enters and leaves the cell
6
Q
Ribosome
A
Where protein synthesis occurs
7
Q
Plants contain…
A
- Multicellular organism
- Chloroplasts for photosynthesis: chlorophyll absorbs light from the sun.
- Cellulose provides strength to cell
8
Q
What are carbohydrates stored as in plants?
A
Starch or sucrose
9
Q
What does an animal cell consist of?
A
- Multicellular
- Cannot photosynthesis
- No cell walls
- Have a nervous system to coordinate
10
Q
What do animals store carbohydrates as?
A
Glycogen
11
Q
What does fungi consist of?
A
- thread like structure
- single celled
- cell walls made of chitin
- digestive enzymes break down into smaller pieces which can be absorbed
12
Q
How are carbohydrates stored in fungi?
A
Glycogen
13
Q
What does protoctists consist of?
A
- single- celled organism
- some have animal like cells
- some have plant like cells
14
Q
Bacteria
A
- single-celled and very small
- cell wall, cell membrane, cytoplasm and plasmid
- lack a nucleus but have circular chromosomes of DNA
- some carry photosynthesis but eat off other organisms
15
Q
Name a virus?
A
- Tobacco mosaic virus ( prevents formation of chloroplasts
- Influenza virus
- HIV virus which leads to AIDS
