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Biochemistry - Organic Compounds

Total questions: 26

Worksheet time: 14mins

Name
Class
Date
1.

What is an organic compound

a)

a chemical compound that lacks carbon

b)

compounds found mainly in living things

c)

a compound with an acidity greater than that of 100% pure sulfuric acid,

2.

Name the 4 types of organic compounds

a)

Carbohydrates, Lipids, Nucleic Acids, Proteins

b)

Carbohydrates, Lipids, Superacids, Proteins

c)

Carbohydrates, Lipids, Organic Acid, Proteins

3.

Label letter d.

a)

monomer

b)

polymer

4.

List the 3 elements that make up carbohydrates

(a)  

5.

What are the function of lipids?

a)

a long aliphatic chain which is either saturated or unsaturated

b)

the main constituents of body fat in humans and other vertebrates

c)

the main structural component of cell membranes

6.

label the parts of a triglyceride on the diagram below

a)

Glycerol

b)

Creatinine

c)

free fatty acid

d)

Uric acid

7.

Is this diagram an example of saturated or unsaturated

a)

saturated

b)

unsaturated

8.

Name the 3 parts of a DNA nucleotide

(a)  

9.

Name the blue part of the structure

a)

hydrophilic head

b)

hydrophobic tails

10.

How is the amino acid sequence related to the function of a protein?

a)

A chemical bond that involves the sharing of electron pairs between atoms

b)

Each protein is composed of a different sequence of amino acids

c)

A partial intermolecular bonding interaction between a lone pair on an electron rich donor atom

11.

What would happen if you change the order of the amino acids in the protein?

a)

The amount of proteins would change

b)

The color would be the only change

c)

The shape and the function would be changed

12.

Why is ATP considered a nucleic acid?

a)

ATP is considered a nucleic acid due to the color

b)

ATP is considered a nucleic acid due to its structure

c)

ATP is considered a nucleic acid due to its shape

13.

Where are phospholipids found

a)

The cell membrane

b)

The mitochondria

c)

The cytoplasm

14.

What is a phospholipid

a)

A molecule that is a combination of fat and protein

b)

the main structural component of cell membranes

c)

a white crystalline strongly basic compound

15.

Define Monomer

a)

a small molecule

b)

a chain made up of molecules

c)

a large molecule

16.

Define Polymer

a)

A short-chain made up of different types of patterns of monomers

b)

A long-chain of molecules made up of a repeated pattern of monomers

c)

A long-chain of molecules made up of different monomers

17.

Is the carbohydrate Glucose monosaccharide, disaccharide or polysaccharide

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

18.

Is the carbohydrate Fructose monosaccharide, disaccharide or polysaccharide

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

19.

Is the carbohydrate Sucrose monosaccharide, disaccharide or polysaccharide

a)

Monosaccharide

b)

Polysaccharide

c)

Disaccharide

20.

Molecules that consist of one element in pairs (O2, N2, H2) are

a)

Hydrogen

b)

Inorganic

c)

Diatomic

21.

Compounds that DO NOT contain Carbon

a)

Inorganic compound

b)

Organic compound

22.

What are the covalent bonds that link amino acids together

a)

Nucleotide bonds

b)

Peptide bonds

c)

Amino bonds

23.

A compound made by joining two monosaccharides

a)

Monosaccharides

b)

Polysaccharide

c)

Disaccharide

24.

Large macromolecules formed from monosaccharides

a)

Polypeptides

b)

Polysaccharide

c)

Polyunsaturated

25.

what are the functions of carbohydrates

a)

Compounds that include DNA and RNA. These are information-containing molecules that give cells their instructions

b)

The body's main source of quick energy; provide structure to the cell, make up cell walls of plants

c)

Energy storage, part of cell membranes in all organisms, insulation, protects organs

26.

Define proteins

a)

Class of organic compounds containing only carbon, hydrogen, and oxygen

b)

Organic compounds whose building blocks are amino acids

c)

Organic compounds that include DNA and RNA