Basic Macromolecules Flashcards

1
Q

Which of the following carry the genetic code for all the functioning and characteristics of a cell?

A

Nucleic acids.

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2
Q

Which of these is an example of a monosaccharide?

A

Glucose.

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3
Q

Which of the following is an example of a macromolecule that acts as a catalyst in biochemical reactions?

A

Amylase.

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4
Q

Which of these acts as the first source of energy in the human body?

A

Carbohydrates.

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5
Q

Which of these functions is NOT carried out by proteins?

A

Insulating internal organs in the body.

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6
Q

Enzymes are biological catalysts that ________.

A

Increase the rate of any given reaction.

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7
Q

Which of these are the monomers of proteins?

A

Amino acids.

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8
Q

A lipid or fat molecule can be broken down into fatty acids and ________.

A

Glycerol.

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9
Q

What type of reaction builds polysaccharides from their monomers?

A

Condensation.

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10
Q

Which of these enzymes does not digest a carbohydrate?

A

Lipase.

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11
Q

Pepsin is an example of a(n) ________.

A

Protease.

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12
Q

Which bond mainly forms the secondary protein structure?

A

Hydrogen bond.

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13
Q

What type of bonds would you find in the tertiary and quaternary structures of a protein?

A

Disulfide bonds.

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14
Q

An alpha helix is formed by which type of protein structure?

A

Secondary.

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15
Q

In which protein structure do multiple protein chains interact with each other to form a globular structure?

A

Quaternary.

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16
Q

Which of the following can be found in a nucleotide but not in a nucleoside?

A

Phosphate group.

17
Q

Nucleotides in DNA are linked together by ________.

A

Phosphodiester bonds.

18
Q

Which of these is present in a DNA molecule but not in an RNA molecule?

A

Thymine.

19
Q

Which of these is true for functions of DNA and RNA?

A

DNA carries all the genetic information; RNA helps in protein synthesis.

20
Q

Which of these accurately explains the structure of a phospholipid molecule?

A

A glycerol molecule, two fatty acid chains, and a phosphate group.