Organisation of the organism

Question 1

What do almost all cells contain what in cytoplasm

Answer 1

Rough endoplasmic reticulum and vesicles

Question 2

What do all cells except those of prokaryote

Answer 2

mitochondria and rough endoplasmic reticulum

Question 3

What do cells with high levels of metabolism require

Answer 3

more mitochondria

Question 4

o Cell membrane

Answer 4

differentially or partially permeable to allow certain substances to enter and leave the cell.

Question 5

o Nucleus:

Answer 5

contains DNA and controls the cell

Question 6

o Cytoplasm:

Answer 6

where chemical reactions take place

Question 7

o Chloroplast

Answer 7

contain chlorophyll, which absorbs light

energy for photosynthesis

Question 8

o Cell wall:

Answer 8

rigid to keep shape of cell

Question 9

o Vacuole:

Answer 9

stores food & water & helps to maintain

shape of cell

Question 10

o Mitochondria

Answer 10

: organelle where aerobic respiration

happens

Question 11

o Ribosome

Answer 11

: makes protein and can be found floating

within the cytoplasm

Question 12

Ciliated cells

Answer 12

To move and push mucus
Have cilia (root hairs)
have mitochondria

Question 13

Root hair cells

Answer 13

To absorb water and minerals from ground

Are elongated shape to increase surface

Question 14

Xylem vessel

Answer 14

to transport minerals and water
Have no cytoplasm for water to move easily
No cross walls to long continuous tube
Lignin to toughen us and water proof

Question 15

Palisade cells

Answer 15

to photosynthesize
Have regular shape so more fit in a small area
Have a lot to chloroplast

Question 16

Nerve cells

Answer 16

Conduct impulses
Are long so can contact distant parts
have sheath for insulation

Question 17

Red blood cells

Answer 17

Transport oxygen
Have haemoglobin
Has a biconcave shape
no nucleus for more space
flexible

Question 18

sperm and egg cells

Answer 18

Reproduction
Sperm has tail
mitochondria
and acrosome to dissolve egg membrane

Question 19

Orgenelle

Answer 19

a specialized part in cytoplasm the performs its own function

Question 20

Cell

Answer 20

Smallest unit in a living structure that operates independently

Question 21

Tissue

Answer 21

A group of cells with similar structures working together to perform a specific function e.g muscle tissue

Question 22

Organ

Answer 22

a structure made up of a group of tissues working together to perform a specific function e.g heart

Question 23

Organ system

Answer 23

Group of organs with related functions working together to perform a function e.g circulatory system