Exam 5: The Structure and Function of Large Biological Molecules

You have just sequenced a new protein found in mice and observe that sulphur-containing cysteine residues occur at regular intervals. What is the significance of this finding?

You disrupt all hydrogen bonds in a protein. What level of structure will be preserved?

- A fat (or triacylglycerol) would be formed as a result of a dehydration reaction between ________.

The molecular formula for glucose is C₆H₁₂O₆. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions?

Saturated fats ________.

Which of the following is true of unsaturated fats?

If one strand of a DNA molecule has the sequence of bases 5′-ATTGCA-3′, the mRNA synthesised following the template will be ________.

Which of the following could be responsible for atherosclerosis and should be eliminated from diet for health reasons?

Humans can digest starch but not cellulose because ________.

The label on a container of margarine lists "hydrogenated vegetable oil" as the major ingredient. Hydrogenated vegetable oil ________.