Biology chapter 5

Which of the following is not considered a macromolecule?

Lipids

Proteins

Carbohydrates

Nucleic acids

What results in the emergent properties in large biological molecules?

The the type of atoms

The arrangement of atoms

The function

The number of atoms

A polymer consists of?

Similar molecules

Identical molecules

Different molecules

A + B

Which of the following statements is correct?

Dehydration reactions and hydrolysis reactions can only be involved in the formation and breakdown of polymers

Dehydration reaction covalently, bonds, two molecules by consuming a water molecule

The name of the reaction which breaks down polymers is dehydration

Hydrolysis means water break

Which of the following atoms is not found in carbohydrates discussed in the book?

Carbon

Phosphorus

Nitrogen

Oxygen

Which of the following is a hexose ,aldose and a monomer of sucrose?

Glucose

Galactose

Fructose

Ribose

All of the following contributes to the diversity of monosaccharides except?

The type of atoms

The length of the carbon skeleton

The position of the carbonyl group

The way the parts are arranged around asymmetric carbons

Which of the following best describes the form of glucose in certain solutions?

Glucose is linear in aqueuos solutions

Glucose is in ring form in aqueuos solutions

Glucose is always linear

Glucose is always in ring form

Why do some people have lactose intolerance?

They lack lactase

Lactose can’t be broken down in their body

They can’t digest galactose

Which of the following cannot digest cellulose?

Bacteria

Human beings

Microbes

Prokaryotes

Why are lipids mostly hydrophobic?

They are complicated molecules

They consist of mostly hydrocarbons which form noncovalent bonds

They have no polar bonds

Which of the following is right about steroids?

All of them are constructed from cholesterol

They are made of four identical rings

They are only found in the human body

They have two hexagon rings, and two pentagon rings

Which of the following atoms is not found in the structure of cholesterol?

Carbon

Hydrogen

Oxygen

Nitrogen

Which of the following is the reason why proteins have many different functions?

The diversity of monomers

The diversity of structures

The diversity of bonds

The diversity of atoms

Which of the following amino acids forms disulfide bridges?

Methionine

Cysteine

Tryptophan

Glutamine

Which of the following proteins helps with the contraction of muscles?

Collagen

Hemoglobin

Actin

Keratin

Which of the following is not a covalent bond?

Glycosidic

Peptide

Ester

Hydrogen

Which of the following nitrogenous bases is an oxygen containing purine?

Adenine

Guanine

Cytosine

Thymine

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Biology chapter 5

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