Unit 1 - Respiration

Question 1

respiration is a series of ________?

Answer 1

enzyme controlled reactions

Question 2

state the word equation for aerobic respiration

Answer 2

glucose + oxygen → CO2 + water + ATP

Question 3

ATP is made from ______?

Answer 3

ADP (Adenosine Diphosphate) and inorganic phosphate (Pi)

Question 4

give 4 uses of energy in the body

Answer 4

muscle contraction, protein synthesis, cell division, active transport

Question 5

what is the equation for the production of ATP

Answer 5

Regeneration: energy in / Breakdown: energy out

ADP + Pi → ATP → ADP + Pi

Question 6

ATP is ______ during respiration

Answer 6

regenerated

Question 7

what happens in the first stage of respiration and where does this occur?

Answer 7

glucose is broken down into pyruvate and 2 molecules of ATP are released. this takes place in the CYTOPLASM

Question 8

what happens in the 2nd stage of aerobic respiration

Answer 8

pyruvate is broken down into CO2 and water and 36 molecules of ATP are produced. this takes place in the mitochondria

Question 9

fermentation produces __ molecules of ATP

Answer 9

2

Question 10

describe the fermentation pathway in animals and where it takes place

Answer 10

pyruvate is broken down into lactate. this process is reversible in the presence of oxygen, takes place in the cytoplasm

Question 11

describe the fermentation pathway in plant and fungal cells and where it takes place

Answer 11

phyruvate is boken down into ethanol and CO2. this takes place in the cytoplasm

Question 12

aerobic respiration starts in the ______ and finishes in the _____

Answer 12

starts in the cytoplasm and finishes in the mitochondria

Question 13

fermentation starts and finishes in the _____

Answer 13

cytoplasm

Question 14

how can rate of respiration be measured

Answer 14

using a respirometer