Bio

Question 1

what is the equation for Aerobic respiration

Answer 1

C6H12O6 + 6O2 —> 6CO2 + 6H2O + energy

Question 2

What do you use to test for starch

Answer 2

Iodine

Question 3

What do you use to test for sugar

Answer 3

Benedict’s solution

Question 4

What do you use to test for Lipids/Fats

Answer 4

Ethanol

Question 5

What do you use to test for protein

Answer 5

biuret test

Question 6

what is the equation for Anaerobic respiration

Answer 6

C6H12O6 —> C3H6O3 (+energy)

Question 7

what is the equation for Fermentation/Yeast

Answer 7

C6H12O6 —> 2C2H5OH + 2CO2

Question 8

what is the word equation for aerobic respiration

Answer 8

Oxygen + Glucose —> Carbon Dioxide + Water

Question 9

what is the word equation for anaerobic respiration

Answer 9

Glucose —> Lactic acid + energy

Question 10

what is the word equation for fermentation/yeast

Answer 10

Glucose —> Ethanol + Carbon Dioxide

Question 11

where does blood from the vena cava flow into the heart

Answer 11

right atrium

Question 12

what is mitosis needed for in multi cellular organisms

Answer 12

Cell division by mitosis is important in thegrowthanddevelopmentof multicellular organisms

Question 13

how do bacteria cells reproduce

Answer 13

Bacteria multiply by a type of simple cell division known asbinary fission

Question 14

How often do bacteria cells multiply in ideal conditions

Answer 14

In the right conditions, some species of bacteria (such ascoli) can multiply as much as once every20 minutes

Question 15

What is a stem cell

Answer 15

A stem cell is anundifferentiatedcell

Question 16

what are some uses of stem cells

Answer 16

Repair organs/tissues and cure diseases

Question 17

Why are stem cells useful

Answer 17

They are useful because they can clones cells

Question 18

What is a gene

Answer 18

A gene is a section of DNA which controls part of a cell’s chemistry - particularly protein production

Question 19

What is a chromosome

Answer 19

A chromosome is a molecule made up of many coiled up sections of DNA

Question 20

What is DNA

Answer 20

deoxyribonucleic acid, is the molecule that contains the instructions for growth and development of all organisms

Question 21

What shape is DNA

Answer 21

DNA is a polymer made up of two strands forming a double helix

Question 22

Ways the Xylem is adapted for it’s role

Answer 22

It is made up of dead cells that are hollow

Question 23

Ways the Phloem are adapted for it’s role

Answer 23

Very few cub cellular structures

Question 24

What is Therapeutic cloning

Answer 24

Therapeutic cloning is a process that produces an embryo with genes that are identical to the patient’s - which means that the patient’s body will not reject the cells

Question 25

How do I test for Starch

Answer 25

place some drops of iodine onto the sample. If it turns orange-brown to blue-black there is starch

Question 26

How do I test for sugar

Answer 26

Prepare the food sample > drop a few drops of benedict's solution onto the sample > keep the sample heated in a water bath > if the solution turns form blue to brick red there is sugar

Question 27

How do I test for Protein

Answer 27

Biuret test > drop drops of biuret solution which is blue > if it turns purple there is protein present

Question 28

What are uses of monoclonal antibodies

Answer 28

They can be used for pregnancy tests as when dyed they can bind to the hormones of pregnancy presenting a result / they can be used for cancer diagnosis as they bind onto the antigens of the cancer cell locating it