AM-2022

Which cell organelles are clearly visible when viewed with a light microscope at high power
(×400)?

• A

• B

• C

• D

Which eukaryotic cell structures all contain nucleic acids?

• cytoplasm, Golgi bodies, mitochondria, nuclei

• centrioles, chloroplasts, mitochondria, ribosomes

• chloroplasts, mitochondria, cytoplasm, ribosomes

• centrioles, mitochondria, nuclei, ribosomes

Which statements about viruses are correct?
1 They contain DNA or RNA.
2 They use host cells to synthesise virus proteins.
3 They can have a protective coat of peptidoglycan

• 1, 2 and 3

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

What are features of prokaryote cells, chloroplasts and mitochondria?

• A

• B

• C

• D

Sugars with a ring structure can also have a linear structure

Which sugar molecules could be represented by the linear structure in the diagram?
1 ribose
2 deoxyribose
3 glucose

• 1 and 2

• 1 and 3

• 2 and 3

• 3 only

Which row matches each molecule to a type of bond that is present?

• A

• B

• C

• D

Which row shows features of a carbohydrate polymer found inside animal cells?

• A

• B

• C

• D

The statements describe the structure of a polysaccharide found in the cell walls of certain plants.
1 The polysaccharide is composed of two different monosaccharides.
2 The monosaccharides are joined by 1,4 glycosidic bonds

3 The polysaccharide contains pentose sugars.

Which statements are also true for cellulose?

• 1 and 2

• 1 and 3

• 2 and 3

• 2 only

The general formula for a saturated fatty acid is CnH2nO
Which of these fatty acids are unsaturated?
1 C10H19COOH
2 C15H31COOH
3 C17H31COOH
4 C18H32COOH

• 1, 2 and 3

• 1, 2 and 4

• 1, 3 and 4

• 2, 3 and 4

The diagrams show three examples of different bonds.
Which bonds can hold the quaternary structure of proteins together?

• 1, 2 and 3

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only