Which of these statements are true?

Cellulose is made of beta glucose

Cellulose forms straight chains

Hydrogen bonds cross link chains of cellulose together

Cellulose has a quaternary structure

Which statements about collagen are true?

It contains only 3 types of amino acid

Which of the following statements about haemoglobin are true?

It contains 4 prosthetic groups

Hydrophobic R groups are on the outside of the molecule to make it soluble

Which statements are true for unsaturated fatty acids?

They contain at least 1 C=C in the hydrocarbon fatty acid tail

They have kinks in their chains

They contain the maximum number of C-H bonds

They are only found in animal fats

Which of the following statements about phospholipids is/are incorrect?

They contain a phsophate molecule

Which of the following statements regarding biochemical tests is/are correct?

During the test for non-reducing sugars the test solution is heated with HCl.

The Biuret test requires heating.

When testing for lipids, water is added to the solution first then absolute ethanol.

The reducing sugar rest forms a brick-red emulsion.

Biological molecules

Quiz

•

Biology

•

University

•

Practice Problem

•

Hard

B O'Gorman

Used 44+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What elements are present in alpha glucose?

Carbon

Hydrogen

Oxygen

Nitrogen

Sulfur

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What elements are always present in amino acids?

Carbon

Hydrogen

Oxygen

Nitrogen

Sulfur

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What elements are present in triglycerides?

Carbon

Hydrogen

Oxygen

Nitrogen

Sulfur

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What bond is represented by A?

Hydrogen

Glycosidic

Peptide

Disulfide

Ionic

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What bond is represented by B?

Hydrogen

Glycosidic

Peptide

Disulfide

Ionic

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What bond is represented by C?

Hydrogen

Glycosidic

Peptide

Disulfide

Ionic

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What bond is represented by D?

Hydrogen

Glycosidic

Peptide

Disulfide

Ionic

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Biological molecules

25 questions

What elements are present in alpha glucose?

What elements are always present in amino acids?

What elements are present in triglycerides?

What bond is represented by A?

What bond is represented by B?

What bond is represented by C?

What bond is represented by D?

What bond is represented by E?

What type of bonds are present in amylose?

Which of these statements are true?

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