Bio

Question 1

Deffntion of osmosis

Answer 1

The movement of water from a high concentration to a low concentration through a semi permeable membrane

Question 2

State the definition of diffusion

Answer 2

The movement of partials from a high concentration to a lower concentration

Question 3

What is an animal cell eukaryotic or prokaryotic

Answer 3

Eukaryotic

Question 4

Cytoplasm definition

Answer 4

A jelly like material and is where most chemical reactions take place

Question 5

Nucles

Answer 5

Contains dna holds genetic material

Question 6

Cell membrane definition

Answer 6

Controls what goes in and out of the cell

Question 7

Mitochondria definition

Answer 7

Where energy is released for photosynthesis

Question 8

Ribosomes definition

Answer 8

Where proteins are made

Question 9

Things found in an plant cell which are not found in an animal cell

Answer 9

Permanent vacuole
Cell wall

Question 10

Permanent vacuole definition

Answer 10

Filed with cell sap

Question 11

Cell wall definition

Answer 11

Made from cellulose / strengths the cell and supports the plant

Question 12

What is the difference between eukaryotic and prokaryotic cells

Answer 12

Eukaryotic cells DNA is linear
Whereas prokaryotic cells DNA is
Circular

Question 13

What is a stem cell

Answer 13

A stem cell is an unidentified cell which can differentiate into any function needed in the body

Question 14

Where are stem cells found

Answer 14

In the bone marrow

Question 15

What is a stent

Answer 15

A stent is a metal mesh placed into the blocked conary artery which hold the blocked artery open so blood flow can be restored

Question 16

What are statins

Answer 16

Stains are small tablets you can take if you have high blood cholesterol they are used to reduce your cholesterol levels

Question 17

Advantage of stents

Answer 17

No responsibility of taking anything
Quicker results

Question 18

Disadvantages of stents

Answer 18

Can get blood clots
Bleeding
Stroke
Tear inside your artery

Question 19

Advantages of statins

Answer 19

No risks of blood clotting
Reduces risk of a stroke

Question 20

Disadvantages of statins

Answer 20

Have to take everyday and cannot forget
Headaches
Digestive problems

Question 21

How can a stent prevent a heart attack

Answer 21

Because your arteries are not built up with fatty material restricting the blood flow of oxygen through to your heart

Question 22

The equation for calculating the size of an object

Answer 22

Magnification = Size of image |size of real object

Question 23

Structures you would expect to find in a human cell

Answer 23

Ribosomes
Nucles
Cell membrane

Question 24

Structures you would expect to find in a plant cell

Answer 24

Mitrocondriea
Permanent vacuole
Chloroplast

Question 25

What functions are found in plant cells but not animal cells

Answer 25

Permanent vacuole Chloroplast Cell wall

Question 26

Why is the Nucles so important in the cell

Answer 26

Because it holds all the genetic material and controls the activity of the cell

Question 27

Why is the mitochondria so important in the cell

Answer 27

It creates energy to drive cellular functions

Question 28

What kind of cell is a prokaryotic cell

Answer 28

It is a bacterial single-felled living organism it has a single DNA loop found free in the cytoplasm

Question 29

Define what is meant by the flagella

Answer 29

Microscopic hair - like structure

Question 30

What do eukaryotic cells have

Answer 30

Cell membrane Cytoplasm Genetic material included into the Nucles

Question 31

What do prokaryotes cells consist of

Answer 31

Cytoplasm Cell membrane Cell wall Single stand of DNA

Question 32

What is a nerve cell

Answer 32

Nerve cells are speciled to carry electrical impulses around the body they provide rapid communication systems between the different parts of the body