Chapter 2:cells

Question 1

What does animals structure include

Answer 1

-nucleus
-cell membrane
-ribosomes
-mitochondria
-cytoplasm

Question 2

Structure of plant cell

Answer 2

-cell membrane
-cell wall
-ribosome
-permanent vacuole
-cytoplasm
-mitochondria
-nucleus
-chloroplast

Question 3

What characteristics are common in plant cell and animal cells

Answer 3

-cell membrane
-ribosomes
-cytoplasm
-mitrochondria
-nucleus

Question 4

What characteristics differ from plant cells and animal cells

Answer 4

Plant cells also include:
-cell wall
-chloroplast
-permanent vacuole

Question 5

Structure of a bacteria cell

Answer 5

-Cell wall
-Cell membrane
-circular loop of DNA
-plasmid
-ribosomes
-cytoplasm

Question 6

Function of nucleus

Answer 6

-contains chromosomes made of the genetic material which controls all the activities of the cells

Question 7

Function of cytoplasm

Answer 7

-jelly like substance where many metabolic reactions take place
-supports internal cell structures
-a gel like substance composed of water and dissolved solutes

Question 8

Function of cell membrane

Answer 8

-partially permeable so some substances will go through some won’t
-hold the cell together
-seperates the inside of the cell from the outside of the cell

Question 9

Function of ribosomes

Answer 9

-site of protein synthesis

Question 10

Function of mitochondria

Answer 10

-energy is released from glucose

Question 11

Function of cell wall

Answer 11

-protect the cell
-supports the cell
-gives shape to the cell

Question 12

Function of chloroplast

Answer 12

-contains green chlorophyll and enzymes for photosynthesis

Question 13

Function of vacuole

Answer 13

-contains cell sap:a solution of sugar and salt dissolved in water
Storage for certain materials

Question 14

Function of plasmid

Answer 14

-contains extra genes to those found in the chromosomal DNA

Question 15

What did specialised cell

Answer 15

Cells which have developed certain characteristics in order to perform particular functions

Question 16

Function of ciliates cells

Answer 16

Movement of mucus in the trachea and bronchi

Question 17

Function of root hair cells

Answer 17

Absorption

Question 18

Function of palisade mesophyll cells

Answer 18

Photosynthesis

Question 19

Function of neurones

Answer 19

Conduction of electrical impulses

Question 20

Function of red blood cells

Answer 20

Transport of oxygen

Question 21

Function of sperm and egg cells

Answer 21

Reproduction

Question 22

What is tissues

Answer 22

A group of cells with similar structures,working together to perform a shared function

Question 23

What is a organ

Answer 23

A structure made of a group of tissues,working together to perform a specific function

Question 24

Example of organ

Answer 24

Stomach

Question 25

What is organ system

Answer 25

A group of organs with related functions working together to perform body function d

Question 26

Example of organ system

Answer 26

Digestive system

Question 27

How are organisms made

Answer 27

Cells make up tissues which makes up organs which make up organ systems which makes up organisms

Question 28

Equation for magnification

Answer 28

Magnification =image size / actual size

Question 29

Unit of magnification

Answer 29

It had a X in front of it

Question 30

Hos to convert micrometer to millimetre

Answer 30

Divide by 1000