Day 3 Quiz SS

Which of the following is true about proteins?

• Proteins are created in the nucleus.
• Proteins determine the structure and function of cells.
• Proteins are involved in the second part of the central dogma.
• Proteins carry the genetic information from the DNA to the RNA.

The molecule which transfers the information from the nucleus to the cytoplasm for the formation of protein is _____.

• an amino acid
• RNA
• DNA

State the central dogma of molecular biology.

• RNA → DNA → Protein
• None of the above
• DNA → Protein → RNA
• DNA → RNA → Protein

What determines the structure of a protein?

• Sequence of proteins
• Sequence of ribosomes
• Sequence of amino acids

Which is the correct sequence of events in the central dogma?

• DNA is first translated into RNA in the cytoplasm, then transcribed into protein in the nucleus.
• DNA is first transcribed into more DNA in the nucleus and then translated into proteins.
• DNA is first transcribed into RNA in the nucleus, then translated into protein in the cytoplasm.

DNA replication occurs during the _____ phase of the eukaryotic cell cycle.

• G
• S
• M
• All of the above

There is/are _____ hydrogen bond(s) between adenine and thymine.

• 1
• 2
• 4
• 3

What sugar is present in DNA?

• Sucrose
• Ribose
• Glucose
• Deoxyribose

Which of the following enzymes is/are involved in the process of DNA replication?

• None of the above
• DNA helicase
• DNA polymerase
• Both A and B

There are _____ hydrogen bonds between cytosine and guanine.

• 2
• 3
• 1
• 4