Cell Structure (Chapter 7)

Question 0

Function of cell wall

Answer 0

Support

Question 1

Protoplasm

Answer 1

The protoplasm is all the living parts of a cell

Question 2

Function of vacuole

Answer 2

Helps give the cell strength and shape and may also store materials

Question 3

Ultra structure definition

Answer 3

Ultra structure is the fine detail of a cell as seen with an electron microscope

Question 4

Transmission electron microscope

Answer 4

Shows internal structure of specimen

Question 5

Scanning electron microscope

Answer 5

Shows a surface view of specimen

Question 6

Cell membrane structure

Answer 6

Composed of phospholipids and proteins.

Question 7

Cell Membrane function

Answer 7

Retain the cell contents.
Control what enters and leaves a cell (semipermeable)
Give support to cell
Recognise molecules that touch them

Question 8

Nucleus

Answer 8

The nucleus is the control centre of the cell

Question 9

The nucleus is surrounded by a __________ with numerous __________

Answer 9

Double membrane

Nuclear pores

Question 10

The nucleus contains strands of ________

Answer 10

DNA (deoxyribonucleic acid)

Question 11

Chromatin

Answer 11

Chromatin is the name given to chromosomes when they are not dividing

Question 12

Function of nucleolus

Answer 12

Where ribosomes are made

Question 13

Mitochondria

Answer 13

Supply energy to the cell. They are the sites of respiration

Question 14

Chloroplasts

Answer 14

Green structures in plants in which photosynthesis takes place

Question 15

Function of ribosomes

Answer 15

To make proteins. They do this by combining a sequence of amino acids to form the protein

Question 16

Prokaryotic cells

Answer 16

Prokaryotic cells do not have a nucleus or membrane enclosed organelles

Question 17

Eukaryotic cells

Answer 17

Eukaryotic cells have a nucleus and cell organelles, all of which are enclosed by membranes