Chapter 3: Metabolism & Transport

Question 1

———- is located in the mitochondrial membrane?
A. The citric acid cycle
B. Glycolysis
C. The electron transport chain.
D. Pyruvic acid

Answer 1

C. The electron transport chain.

Question 2

The sum total of all chemical reactions happening in the body is called?

Answer 2

Metabolism

Question 3

There are 2 forms of Metabolism

Answer 3

Anabolism
Catabolism

Question 4

Which chemical reactions breaks down and releases energy?

Answer 4

Catabolism

Question 5

Which chemical reactions are generally hydrolytic reactions(use water) and releases energy in the form of ATP?

Answer 5

Catabolism

Question 6

Which chemical reactions are generally dehydration reactions (lose water) and use energy in the form of ATP (Ex. Protein synthesis)

Answer 6

Anabolism

Question 7

Which reactions transfer energy from ATP to complex molecules?

Answer 7

Anabolic reaction

Question 8

Which reactions transfer energy from complex molecules to ATP?

Answer 8

Catabolic reactions

Question 9

What energy currency can be stored, spent and /or exchanged?

Answer 9

ATP (Adenine Triphosphate)

Question 10

3 major Steps involved in ATP productions

Answer 10

1. Glycolysis
2. Citric acid cycle
3. Electron Transport chain.

Question 11

What is the glucose breakdown in cytoplasm called?

Answer 11

Glycolysis

Question 12

Where does citric acid cycle (Kreb’s cycle) ATP production happens?

Answer 12

In Mitochondria.

Question 13

Citric acid cycle consists of how many separate biochemical reactions?

Answer 13

8

Question 14

Electron transport chain requires oxygen for its ATP production.

True or False?

Answer 14

True

Question 15

What is the principle form of energy in the cell?

The metabolic money of your cell.

Answer 15

ATP

Question 16

What is the ready form of energy?

Answer 16

ATP

Question 17

What is broken down in 10 enzymatically controlled steps?

Answer 17

Glucose

Question 18

Without ___________ , glycolysis can not take place?

Answer 18

Enzymes.

Question 19

Citric acid cycle absolutely requires oxygen for its ATP production.

True or False?

Answer 19

True

Question 20

Glycolysis is a chemical process involving 10 separate reactions that break down glucose into __________?

Answer 20

2 pyruvic acids molecules

Question 21

Glycolysis produces _______ NADHs?

Answer 21

2

Question 22

Net amount of ATP produced @ Electron transport?

Answer 22

36 ATP

Because 2 atp are used for transport, from cytoplasm to the mitochondria.

Question 23

Where is the Electron transport chain present?

Answer 23

Inner Mitochondrial membrane

Question 24

Which process produces the highest number of ATP?

Answer 24

Electron transport chain (ETC)

Question 25

Glycolysis and preparatory stages produces how many NADHs respectively?

Answer 25

2 NADHs each

Question 26

Kreb's cycle produces how many NADHs?

Answer 26

6 NADHs.

Question 27

Aerobic metabolism works _________oxygen, goes through _____ cycles and produces a net amount of _______ ATPs.

Answer 27

With, the 3 cyles, 36 ATPs.

Question 28

Anaerobic metabolism works ______ oxygen, _______ ATPs is produced and ________ cycle produces it

Answer 28

Without, Glycolysis, 2 ATPs.

Question 29

Plasma membrane is semi-permeable membrane. True or False

Answer 29

True

Question 30

What does Cholesterol do in the plasma membrane?

Answer 30

It stabilizes cell membrane over a range of temperature.

Question 31

What prevents fatty acids from crystalizing in the cell membrane?

Answer 31

Cholesterol.

Question 32

Non polar end(tails) of the phospholipids are made up of?

Answer 32

Fatty acids

Question 33

Phospholipids is called bilayer because........

Answer 33

It has: Polar end (head) Non polar end (taill

Question 34

How many molecules does uni port carrier carry?

Answer 34

One

Question 35

What type of carrier is Glucose transporter (GLUT)

Answer 35

Uniport carrier

Question 36

How many molecules does symport carrier carry?

Answer 36

2 molecules going to same directions.

Question 37

Example of a Symport carrier is?

Answer 37

Sodium Glucose transporter (SGLUT)

Question 38

How many molecules does Antiport carriers carry?

Answer 38

2 or more molecules going to opposite directions.

Question 39

Example of an Antiport carriers?

Answer 39

2 Potassium and 3 Sodium molecules.

Question 40

When carbohydrates combine with sugar(glucose), what is it called?

Answer 40

Glycoprotein

Question 41

ECM is made up 3 insoluble proteins:

Answer 41

Collagen Elastin Fibronectin

Question 42

What are the cable-like proteins that are fibrous too?

Answer 42

Collagen

Question 43

What are the unassisted membrane transport (no use of energy)

Answer 43

1. Osmosis 2. Diffusion 3. Facilitated transport

Question 44

What is the net diffusion of water from the area of higher concentration to an area of lower concentration through a semi permeable membrane?

Answer 44

Osmosis

Question 45

What is the movement of molecules from an area of high concentration to an area of low concentration called?

Answer 45

Diffusion

Question 46

What is a process where substances move from area of higher concentration to an area of low concentration but requires a carrier molecule?

Answer 46

Facilitated transport

Question 47

2 main types of Active transport

Answer 47

1. Primary active transport 2. Secondary active transport.

Question 48

Which transport requires a carrier Molecule (fresh ATP) and often results to disequilibrium?

Answer 48

Active transport

Question 49

Which transport requires direct use of ATP molecules?

Answer 49

Primary active transport

Question 50

Which transport uses the indirect use of ATP that is already broken down by primary active transport?

Answer 50

Secondary active transport

Question 51

2 types of vesicular transport?

Answer 51

Endocytosis Exocytosis

Question 52

Endocytosis is made of 3 types namely:

Answer 52

1. Pinocytosis 2. Phagocytosis 3. Receptor mediated.

Question 53

Pinocytosis is also know as?

Answer 53

Cell drinking

Question 54

Phagocytosis is also known as

Answer 54

Cell eating

Question 55

Where is Glycolysis happening?

Answer 55

In the Cytoplasm

Question 56

Coenzyme remodels 3 carbon atom to

Answer 56

2 carbon atoms

Question 57

Fluid Mosaic Model (Bilayer) of plasma membrane consist of?

Answer 57

1. Phospholipids 2. Cholesterols 3. Protein molecules 4. Carbohydrates

Question 58

Which component contribute to the fluidity of the plasma membrane

Answer 58

Cholesterol

Question 59

Trans memberane proteins are called

Answer 59

Integral proteins

Question 60

Fibronecton are never seen in __________ cells.

Answer 60

Cancer