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BIOCHEMISTRY (CARBOHYDRATES)

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

This phase produce nicotinamide adenine dinucleotide phosphate hydrogen

a)

non-oxidative phase

b)

oxygen phase

c)

oxidative phase

d)

non-oxygen phase

2.

Many nucleic acid forms a polymer known as (a)   . (Note: Acronym (CAPITAL) or word (small)

3.

carbonic anhydrase is present in three cells except in:

a)

Gastric parietal

b)

Plasma

c)

Red Blood

d)

Renal tubular

e)

Plasma Membrane

4.

occurrence in hydrolysis

a)

monomers are released by the addition of a water molecule, adding OH to one monomer and H to the other

b)

monomers are joined by removal of OH from one monomer and removal of H from the other at the site of bond formation

c)

reverse process: polymers are broken down or digested to their monomers

d)

the water molecule is added to each bond, bond is broken, releasing the monomers

5.

What is the molecular formula of ribose?

a)

C2H40

b)

CH71207

c)

C5H10O5

d)

C6H1206

6.

molecular formula of deoxyribose

a)

C6H12O6

b)

C5H12O5

c)

C5H10O4

d)

C5H10O5

7.

Carbohydrates are classified according to size and solubility in water as:

a)

monosaccharides

b)

trisaccharide

c)

nano saccharides

d)

disaccharides

e)

polysaccharides

8.

these are converted to glucose for use by body cells

a)

fructose

b)

ribose

c)

galactose

d)

deoxyribose

9.

It is an enzyme that catalyzes the removal of water from a compound.

a)

catalyst enzyme

b)

carbonic enzyme

c)

anhydrase

d)

carbonic anhydrase

10.

What is the characteristic of a pancreatic juice as it contains a rich supply of bicarbonate?

a)

very basic

b)

basic

c)

acidic

d)

very acidic

11.

It is a metabolism that includes all chemical breakdown and building reactions needed to maintain life. (Note: use small letters)

(a)  

12.

This is known as the food of the cell. (Note: use small letters)

(a)  

13.

What are the characteristics and functions of a glucose? (SATA: Select all that apply)

a)

food of the cell

b)

major breakdown product of carbohydrate digestion

c)

blood sugar

d)

it is used for making adenosine triphosphate

14.

a process wherein the carbon atoms released leave the cells as carbon dioxide and the hydrogen atoms removed are eventually combined with oxygen to form water (note: use small letters)

(a)  

15.

It is an enzyme that catalyzes the decomposition of carbonic acid into carbon dioxide and water

a)

carbonic anhydrase

b)

enzymes

c)

catalysts

d)

anhydrase

16.

Polymers are joined together by:

a)

synthesis

b)

hydration synthesis

c)

dehydration synthesis

d)

polymer synthesis

17.

most important monosaccharides in the body are: (SATA)

a)

deoxyribose and ribose

b)

saccharides

c)

galactose

d)

fructose

e)

glucose

18.

What is an Insulin? (SATA)

a)

a hormone that your pancreas makes to allow cells to use glucose

b)

most important simple sugar in human metabolism

c)

moves glucose from blood into the cells for energy and storage

d)

universal cellular fuel

19.

It means "glycogen splitting" (use small letters)

(a)  

20.

"formation of new sugar" (use small letters)

(a)  

21.

"glycogen formation" (use small letters)

(a)  

22.

The events of the three main metabolic pathways involved in cellular respiration are: (SATA)

a)

Electric Transport Chain

b)

Krebs cycle

c)

Electron Transport Chain

d)

Glycolysis

23.

It is an example of gluconeogenesis

a)

biogeochemical cycle

b)

glyoxylate cycle

c)

chemical cycle

d)

oxalate cycle

24.

Nitrogenous bases present in the DNA can be grouped into two categories:

a)

adenine and guanine

b)

cytosine and uracil

c)

purines and pyrimidines

d)

cytosine and thymine

25.

In DNA, T is referred to as thymine, however, in RNA, it is represented by what nitrogenous base?

a)

U (Uracil)

b)

C (Cytosine)

c)

A (Adenine)

d)

G (Guanine)

26.

What do we call of the bonds between nucleotides?

a)

covalent bond

b)

phosphodiester bonds

c)

nucleotide bonds

d)

all of the above

27.

It is referred to as the Hexose monophosphate shunt

a)

Phosphate pathways

b)

Pentose phosphate pathways

c)

pentose pathways

d)

all of the above

28.

It is a five-carbon sugar molecule that helps form the phosphate backbone of DNA molecules

a)

Ribose

b)

Deoxyribose

c)

RNA

d)

DNA

29.

These are single nucleotide strands (CAPITAL LETTERS)

(a)  

30.

Removal of hydrogen atoms is a major role of glycolysis and Krebs cycle, this is known as (a)   . (small letters)

31.

the major site of metabolism occurs in:

a)

large intestine

b)

small and large intestine

c)

small intestine

d)

intesine

32.

chemical breakdown is also referred to as:

a)

anabolic

b)

catabolic

c)

metabolic

d)

lolabolic

33.

building reactions needed to maintain life is considered as:

a)

catabolic

b)

lolabolic

c)

metabolic

d)

anabolic

34.

Where does carbohydrate digestion begin?

a)

In the nose

b)

In the ear

c)

In the mouth

d)

In the shoulder

35.

It provides a ready, easily used source of food energy for cells. (NOTE: use small letters)

(a)  

36.

No enzyme, no reaction

a)

TRUE

b)

FALSE

37.

With enzymes, biochemical reactions would occur far too slowly to sustain life.

a)

TRUE

b)

FALSE

c)

DI AKO SURE

38.

Proteins and carbohydrates are polymers.

a)

SURE NA SURE

b)

DI AKO SURE

39.

Sugars and starches contain three compounds: (SATA)

a)

glucose

b)

hydrogen

c)

oxygen

d)

carbon

40.

Best of luck, future nurse! I am looking forward to work with you at a hospital soon!

a)

THANK YOU

b)

SORRY