RDBG LO1: LS 5&6 Review

Select all that are true about nucleic acids.

• Comprise 1% of the cell

• Consist of 2 types: DNA & RNA

• Comprise 10% of the cell

• Consists of 3 types: Lipids, proteins, carbohydrates

What type of chromosome damage appears in the image?

• Broken end re-arrangement without visible damage

• Deletion

• Restitution

• Mutation

Following irradiating, the following occurs. Which type of DNA damage is present in the image?

• Mutation

• Covalent Cross-link

• Single strand break

• Deletion

Describe the Target Theory.

Normally, humans have ___pairs of chromosomes in each somatic cell.

• 46

• 23

• 33

• 21

Answer explanation

46 chromosomes= 23 pairs

What are considered the 'basic units of heredity'?

• Centromere

• Chromosomes

• Atoms

• Genes

DNA stands for:

• Deoxyribbon antibodies

• Duplicated ribonucleic acid

• Deoxyribonucleic acid

• Detection neutral anaylysis

Select purine nitrogenous bases.

• Adenine

• Guanine

• Cytosine

• Thymine

Is there anything you would like to review from last class before we move on?