B1: Cells

Question 1

prokaryotic cells and give an example

Answer 1

An example are bacteria cells and they do not have any membrane-bound organelles or nucleus.

Question 2

plasmid

Answer 2

small, circular DNA found in the cytoplasm

Question 3

flagellum

Answer 3

Tail- like structure that helps move the bacterium or sperm cell move

Question 4

Describe what an eukaryotic cell is and give an example

Answer 4

A cell which has a nucleus enclosed within a cell membrane . (animals and plant cells) and membrane bound organelles

Question 5

nucleus

Answer 5

contains genetic material that controls the activities of the cell

Question 6

cytoplasm

Answer 6

gel-like substance where chemical reactions take place (contains enzymes)

Question 7

cell membrane

Answer 7

holds the cell together and controls what goes in and out of the cell

Question 8

mitochondria

Answer 8

where aerobic respiration takes place (found in the cytoplasm)

Question 9

ribosomes

Answer 9

the site of protein synthesis

Question 10

cell wall

Answer 10

cell walls provide structure and strengthens the plant cell

Question 11

permanent vacuole

Answer 11

contains cell sap, a weak solution of sugars and salts

Question 12

chloroplast

Answer 12

contains the green pigment, chlorophyll, which absorbs light energy for photosynthesis.