Grade 11 Unit 5

Question 1

Where is ATP synthase located

Answer 1

In inner membrane

Question 2

fluid in the mitochondrion in which the reactions of the Krebs cycle take place

Answer 2

matrix

Question 3

a series of molecules along which electrons travel

Answer 3

electron transport chain

Question 4

oxygen-dependent production of ATP

Answer 4

oxidative phosphorylation

Question 5

oxygen-dependent production of ATP

Answer 5

oxidative phosphorylation

Question 6

coenzyme derived from pantothenic acid needed for respiration

Answer 6

coenzyme A

Question 7

At the end of the electron transport chain, the electrons combine with protons and with oxygen to form …….

Answer 7

Water

Question 8

……. is known as the terminal electron acceptor in aerobic respiration

Answer 8

oxygen

Question 9

electrons from ……… only operate two of the three proton pumps

Answer 9

reduced FAD

Question 10

reduced FAD is dehydrogenated by

Answer 10

ubiquinone

Question 11

The diffusion of hydrogen ions through the ATP synthase is …….

Answer 11

chemiosmosis

Question 12

What is the basis of how respirometers work

Answer 12

volume of oxygen used (6O2) is equal to the volume of carbon dioxide produced (6CO2).

Question 13

What is the knock-on’ effect if the electron transport chain does not function?

Answer 13

NAD is not regenerated from reduced NAD and FAD is not regenerated from reduced FAD.

Question 14

T/F
Rate of bubbling is not the most accurate way of measuring rate of respiration

Answer 14

T

Question 15

This metabolism converges via the Krebs cycle to three principal end products:………

Answer 15

water, carbon dioxide and ammonia

Question 16

biochemical mechanism by which chlorophyll absorbs light energy

Answer 16

photosystems

Question 17

an array of protein and chlorophyll lightharvesting molecules embedded in the thylakoid membrane

Answer 17

antenna complex

Question 18

the range of wavelengths a molecule absorbs

Answer 18

absorption spectrum

Question 19

the photosynthesis effectiveness of each wavelength

Answer 19

action spectrum

Question 20

…….. is the basis for the synthesis of all organic molecules in plants

Answer 20

TP

Question 21

….. provide a large surface area for the arrangement of chlorophyll molecules and the associated electron transport systems of light dependent reactions

Answer 21

grana

Question 22

……….. provides a fluid medium for the reactions of the light-independent reactions

Answer 22

stroma