Characteristics

Question 1

characteristics of plants cells?

Answer 1

• multi-cellular organisms
• cells contain chloroplasts
• are able to carry out photosynthesis
• cells have cellulose cell walls
• store carbohydrates as starch or sucrose

Question 2

characteristics of animal cells?

Answer 2

• multi-cellular organisms
• cells do not contain chloroplasts
• cells aren’t able to carry out photosynthesis
• have no cell walls
• are able to move from one place to another
• often store carbohydrates as glycogen

Question 3

characteristics of fungi cells?

Answer 3

• are not able to carry out photosynthesis
• usually organised into a mycelium made from thread-like structures called hyphae
• can contain many nuclei
• feed by extracellular secretion of digestive enzymes also known as saprotrophic nutrition

Question 4

characteristics of protoctists?

Answer 4

• microscopic single celled organisms
• different characteristics depending on which protoctists
• amoeba lives in pond water and has animal cell features
• chlorella are more like plant cells

Question 5

characteristics of bacteria?

Answer 5

• microscopic single celled organisms
• have a cell wall, cell membrane, cytoplasm and plasmids
• don’t have a nucleus but have a chromosome of DNA
• some can carry out photosynthesis
• most feed of other living or dead organisms

Question 6

characteristics of viruses?

Answer 6

• are not living organisms
• are living particles
• smaller than bacteria
• they are parasitic and can only reproduce inside a living cell
• infect every living organisms
• come in different shapes and sizes
• have no cellular structure but do have a protein coat

Question 7

Characteristics of living organisms?

Answer 7

• are the building blocks of living organisms
• come in different sizes
• either made up of one cell (uni-cellular) or many cell types (multi-cellular)

Question 8

characteristics of yeast?

Answer 8

• microscopic
• unicellular
• has a nucleus containing the genetic material, cytoplasm, ribosomes, mitochondria and a cell membrane.
• has a vacuole and cell wall
• stores food in the form of glygogen
• reproduce by asexual budding which involves a new yeast cell growing our from the original cell to form a new seperate yeast organisms
• can survive without a lot of oxygen available by anaerobic respiration
• the anaerobic respiration of yeast is called fermentation
• yeast is used to make bread