B11 Gen (5) - DNA and mutations

When Miesher first found DNA he called it

• Nuclein

• DNA

• A helix

• Allele

Hammerling, when studying algae found that

• DNA was in the nucleus

• DNA existed and was distinct from protein and fat

• DNA was a helical molecule

• DNA was complimentary

Which of the following would the base adenine bond to?

• Adenine

• Thymine

• Guanine

• Cytosine

Which of the following is not a component of the DNA molecule?

• Protein

• Sugar

• Nitrogenous base

• Phosphase

The helical structure of DNA was shown using

• X-ray crystallography

• Bacteria and viruses

• Removing parts of algae

• Experiments with germ line cells

Watson and Crick described the strands of DNA as running

• Parallel

• Anti-parallel

• Perpendicular to one another

• Identically

The backbone of the DNA molecule is

• Sugars

• Phosphates

• Nitrogenous bases

• More than one answer is correct

DNA bases with two ring structures are called

• Purines

• Pyrimidines

• Complimentary

• Identical

DNA strands are connected by

• Hydrogen bonds

• Covalent bonds

• Ionic bonds

• They are not connected

Which of the following is not a type of point mutation?

• Substitution

• Insertion

• Deletion

• Inversion