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BIOMOLECULES

Total questions: 21

Worksheet time: 18mins

Name
Class
Date
1.

The repeating units for carbohydrates are the "saccharides" which means (a)  

2.

Diets high in fiber is said to reduce the risk of ______

a)

heart disease

b)

hemorrhoids

c)

colon cancer

d)

all of the choices

e)

none in the choices

3.

Which of the following is NOT included in the group?

a)

sugar

b)

oil

c)

waxes

d)

fats

4.

Which among the following is NOT an element of an amino acid

a)

amino group

b)

carboxyl group

c)

alpha carbon

d)

none in the choices

5.

What is the solubility of lipids in water such as wax and fats?

a)

SOLUBLE

b)

INSOLUBLE

6.

Proteins are made up of __________

a)

ammonia

b)

carbonic acid

c)

amino acid

d)

sulfuric acid

7.

Proteins are polymers of

a)

amino acids

b)

fatty acids

c)

nucleic acids

d)

carboxylic acids

8.

(a)   are the polymers of fatty acids that contain a long, non-polar hydrocarbon chain with a small polar region containing oxygen.

9.

functions include structural support, storage, transport, cellular communications, movement, and defense against foreign substances

(a)  

10.

(a)   is a biologically functional molecule that consists of one or more polypeptides

11.

(a)   are a family of organic compounds, composed of fats and oils.

12.

(a)   are also called sugars

13.

(a)   are organic molecules with carboxyl and amino groups

14.

(a)   refers to a carbohydrate derivative possessing a single carbon chain.

15.

Glycogen, starch, and cellulose are all chains of (a)  

16.

Whole-grain breads, cereals and pastas are good sources of (a)  

17.

(a)   are those carbohydrates that cannot be hydrolyzed further to give simpler units of polyhydroxy aldehyde or ketone.

18.

Chemically, (a)   are defined as “optically active polyhydroxy aldehydes or ketones or the compounds which produce units of such type on hydrolysis”.

19.

(a)   are large macromolecules consisting of carbon (C) , hydrogen (H) and oxygen (O) and have the general Cx(H2O)y formula.

20.

(a)   represent an important energy source for your body. They provide the sustained fuel your body needs for exercise, daily living activities and even rest.

21.

(a)   is a chemical test that can be used to check for the presence of reducing sugars in a given analyte.