Week 5

Question 1

What makes active transport different than passive transport?

Answer 1

it requires an input of energy

Question 2

Why does active transport need an input of energy?

Answer 2

It goes against a concentration gradient

Question 3

What direction does a symport transport target?

Answer 3

all in the same direction

Question 4

what direction does a antiporter transport targets?

Answer 4

opposite directions

Question 5

What are vesicles used for?

Answer 5

Transporting in bulk

Question 6

what is endocytosis

Answer 6

bulk import of cells

Question 7

what is exocytosis

Answer 7

bulk output of cells

Question 8

what are the forms of endocytosis?

Answer 8

phagocytosis
pinocytosis
Receptor-mediated endocytosis

Question 9

What happens with phagocytosis?

Answer 9

phagocytes cells engulf other cells

Question 10

What happens with pinocytosis?

Answer 10

small particles move into the cell

Question 11

What happens with receptor-mediated endocytosis?

Answer 11

receptor proteins on the cell catch the target molecules

Question 12

What cells bring electrons to the electron transport chain (ETC)?

Answer 12

NADH & FADH

Question 13

Which enzyme are the electrons from the NADH donated to?

Answer 13

NADH dehydrogenase

Question 14

How many ATP’s does Aerobic respiration produce?

Answer 14

30

Question 15

How many ATP’s does Anaerobic respiration produce?

Answer 15

2

Question 16

Which process in aerobic respiration produces the most ATP?

Answer 16

Chemiosmosis

Question 17

Are chromatins condensed or uncondensed?

Answer 17

Uncondensed

Question 18

Are chromosomes condensed or uncondensed?

Answer 18

Condensed

Question 19

What protein receives the electron from NADH?

Answer 19

NADH dehydrogenase

Question 20

Where is NADH dehydrogenase located in the ETC chain?

Answer 20

on the inner membrane wall

Question 21

What protein receives electrons from FADH?

Answer 21

Succinate reductase (AE)

Question 22

What is a nucleosome?

Answer 22

a double strand of DNA that is wrapped around a core of histone proteins

Question 22

heterochromatin

Answer 22

densely packed chromatin

Question 22

Where is AE (succinate reductase) located in the ETC chain?

Answer 22

Between the inner membrane

Question 22

What is Euchromatin?

Answer 22

a lightly packed form of chromatin

Question 22

Where is energy harvested for ATP production?

Answer 22

NADH dehydrogenase, Bc1 complex, Cytochrome oxidase complex

Question 23

What do histone proteins do in the quaternary structure level of DNA?

Answer 23

They form a core that a double strand of DNA wraps around (a nucleosome)

Question 23

How are chromatins and chromosomes similar?

Answer 23

they are the same material

Question 24

How are chromosomes made?

Answer 24

during cell division, chromatins are condensed

Question 25

How many protons does NADH pump?

Answer 25

10

Question 26

How many protons does FADH pump?

Answer 26

6

Question 27

How are concentration gradients created?

Answer 27

Active transport of protons into the inner membrane

Question 28

What is the total number of electrons harvested from 1 glucose?

Answer 28

24

Question 29

What are the electron carriers in the ETC?

Answer 29

Ubiquinone and cytochrome c

Question 30

what are the proteins in ETC?

Answer 30

Bc complex, cytochrome oxidase complex

Question 31

What is the final electron acceptor for aerobic respiration?

Answer 31

Oxygen

Question 32

Where is energy stored