Final Exam , C4, Trainees Questions

What causes mice to glow in the dark?

• DNA fragments.

• Gene Cloning.

• Gene modification.

• PCR

Cloning vectors allow insert DNA to be replicated.

• True

• False

What organic molecules are enzymes are composed of?

• Carbohydrates

• Proteins

• DNA

• Lipids

Proteins can be separated depending on its solubility which means

• The protein’s electrical charge.

• The protein’s ability to dissolve.

• How big or smaller the protein molecule is.

• How attracted the protein molecules are to each other.

polypeptide chains is a large protein enzyme molecule, composed of ONE amino acid chain.

• True

• False

In practice many enzymes are known by a common name that is derived from the name of its principal-specific reactant with the following suffix

• -esa

• -aes

• -ace

• -ase

What is the name of this group of amino acids?

• Nonpolar amino acids.

• Charged amino acids.

• Aromatic amino acids.

• Glycine and Purine amino acids

The temperature of the reaction affects the rate of ligation.

• True.

• False

Enzymes are________

• Active site

• Biological catalysts.

• Acidic.

• Basic.

How many nucleotides are needed to define an amino acid in the genetic code?

• One

• Two

• Three

• Four