Macromolecules in Cells

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1. What is the chemical formula for glucose?

2. What colour molecule is deoxyribose

3. This is a phospholipid membrane, indicate which end is hydrophilic and hydrophobic.a

b

4. What class is this carbohydrate?

5. Give three examples of this class of carbohydrate.

6. Name the type of molecule pictured.

7. What colour is the amine group?http://alevelnotes.com/Amino-Acids/59

8. What is denaturation?

9. How can it occur?

10. How is glucose broken down?

11. Name this test.

http://www.sciencephoto.com/media/4381/enlarge

12. What type of macromolecule is Keratin?

13. which fatty acid is the most highly saturated?

http://revisionworld.co.uk/a2-level-level-revision/biology/core-principles-foundation/biological-molecules/lipids

14. What subunit of a nucleotide molecule changes?

14. Which disaccharide is being formed.

15. What type of reaction is used.

16. What macromolecule is found on the surface of a cell and is responsible for repelling water.

17. How does the structure of RNA different to DNA?

http://www.biologycorner.com/bio1/DNA.html

18. What type of bond links amino acids to create a protein?

19. Where in the cell is DNA found?

20. What are the health effects of a high lipid diet?Give an example.

http://www.helpingyoucare.com/15813/denmark-imposes-fat-tax-on-high-saturated-fat-foods-to-combat-obesity

1. What is the chemical formula for glucose?

C6H12O6

2. What colour molecule is deoxyribose

red

3. This is a phospholipid membrane, indicate which end is hydrophilic (a) and hydrophobic (b).

a

b

4. What class is this carbohydrate?

Polysaccharide

5. Give three examples of this class of carbohydrate.

Cellulose, glycogen, starch

6. Name the type of molecule pictured.

7. What colour is the amine group?

Amino acidORANGENH2

http://alevelnotes.com/Amino-Acids/59

8. What is denaturation?

A change in shape of a protein

9. How can it occur?When a cell is exposed to high temperatures or a unfamiliar pH.

10. How is glucose broken down?

Aerobic respiration

C6H12O6 + 6O2 6CO2 + 6H2O

ATP (energy released)

11. Name this test.

starch

http://www.sciencephoto.com/media/4381/enlarge

12. What type of macromolecule is Keratin?

Protein

13. which fatty acid is the most highly saturated?

http://revisionworld.co.uk/a2-level-level-revision/biology/core-principles-foundation/biological-molecules/lipids

14. What subunit of a nucleotide molecule changes?

N containing base

14. Which disaccharide is being formed. Sucrose

15. What type of reaction is used. Condensation

16. What macromolecule is found on the surface of a cell and is responsible for repelling water.

Waxes

17. How does the structure of RNA different to DNA?

DNA have 2 chains of nucleic acids and has AGCT nitrogen containing groups. RNA is a single chain and as AGCU nitrogen containing groups.DNA has the sugar deoxyribose, RNA has the sugar ribose.

http://www.biologycorner.com/bio1/DNA.html

18. What type of bond links amino acids to create a protein?

Peptide

19. Where in the cell is DNA found?

The nucleus, mitochondria and chloroplast.

20. What are the health effects of a high lipid diet?Give an example.

http://www.helpingyoucare.com/15813/denmark-imposes-fat-tax-on-high-saturated-fat-foods-to-combat-obesity

Saturated fats can lead to heart disease and clogged arteries, due to an increase in cholesterol (sterol)