Evaluation on Biomolecules

The process of converting the nucleotide sequence of an mRNA molecule into

an amino acid sequence in a polypeptide is called what?

• Translation

• Transcription

• Transformation

• Trans Fat

Carbohydrates contain what three elements?

• CHS

• NOC

• OCH

• CHNOPS

A major role of lipids is what?

• Muscle contraction

• Phosphorylation of DNA

• Structure of phospholipids

• Structure of membranes

Carbon atoms usually form how many covalent bonds?

• 2

• 4

• 6

• 8

An amino acid is a molecule with what functional groups?

• An amine and hydrochloric acid.

• A hydroxyl and an amine.

• A protein and a polypeptide

• A carboxyl and an amine

DNA and RNA are examples of

• nucleic acids.

• nucleotides.

• proteins.

• lipids.

DNA is a

• heteropolymer.

• homopolymer.

• peptide polymer.

• ribonucleotide polymer.

The helical shape of DNA is due primarily to

• aromatic side chains.

• base stacking.

• hydrogen bonds.

• van der Waals constant.

Proteins are involved in

• DNA synthesis

• enzymatic processes.

• lipid metabolism.

• All of the choices

Which of the following is not true about proteins?

• Proteins are polymers of amino acids.

• Polypeptide chains fold up into a specific shape necessary for the protein’s function.

• Transfer RNAs carry amino acids to where they are needed for protein production

• Peptide bonds hold base pairs together.