Cell Biology

Question 1

Prokaryotic cell

Answer 1

Do not have a nucleus or membrane bound organelles.

Question 2

Eukaryotic cell

Answer 2

Cells with a nucleus and membrane bound organelles. ( living structures in a cell)

Question 3

Example of prokaryote cells

Answer 3

Bacteria, Cyanobacteria, Archaea, blue green algae

Question 4

Units of measure from cm to nm

Answer 4

Centimetre,
Millimetre,
Micrometer,
Nanometer

Question 5

How to work out Actual Size (real life)

Answer 5

Actual size = Image size/ Magnification

Question 6

Magnification

Answer 6

Image size/ Actual size

Question 7

Ribosomes

Answer 7

Proteins are made/ synthesised here

Question 8

Vacuole

Answer 8

Full of cell sap and maintains shape

Question 9

Difference between transmission and scanning electron microscope.

Answer 9

SEMs can see the outside of the object in detail TEMs can see inside the object.

Question 9

Cell sap

Answer 9

Store of minerals and water

Question 10

How to work out magnitude

Answer 10

Convert to nanometers put them to the power of 10, the magnitude is the difference .

Question 11

Specialisation of red blood cell

Answer 11

Biconcave shape,
Large surface area,
No nucleus
Contains haemoglobin

Question 12

Muscle cell

Answer 12

Elongated
Many mitochondria
Can contract

Question 13

Fat cell

Answer 13

Contains an energy store
Can increase
Very little cytoplasm

Question 14

Rod cell

Answer 14

Outer segment filled with visible pigment .
Many mitochondria .One end links up with a nerve cell.

Question 15

Root hair cell

Answer 15

Seive tubes have pores
Thin walls

Question 16

Nerve cell

Answer 16

Long and thin,
Form connections with neurons and muscle cells, carry electrical impulses

Question 17

Palisade cell

Answer 17

Regular shape,
Many chloroplasts,
Chloroplasts contain chlorophyll.

Question 18

Guard cell

Answer 18

Banana shape,
Found in pairs,
Contain chloroplasts

Question 19

Xylem

Answer 19

Form long holloe tunes,
Walls containing a strengthening material