DNA Replication and Protein Synthesis

What does DNA stand for?

• Deoxyribonucleic acid

• Ribonucleic acid

• Nucleotide acid

• Amino acid

What are the four nitrogenous bases found in DNA?

• Adenine, Cytosine, Guanine, and Thymine

• Adenine, Cytosine, Guanine, and Uracil

• Adenine, Ribose, Guanine, and Thymine

• Adenine, Cytosine, Glutamine, and Thymidine

How are the nitrogenous bases paired in a DNA molecule?

• Adenine with Cytosine, and Guanine with Thymine

• Adenine with Guanine, and Cytosine with Thymine

• Adenine with Uracil, and Cytosine with Guanine

• Adenine with Ribose, and Cytosine with Deoxyribose

What is the shape of the DNA molecule?

• Helix

• Triangle

• Circle

• Square

Which type of bond holds the nitrogenous bases together in the DNA double helix?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

How many strands make up a DNA molecule?

• One

• Two

• Three

• Four

What is the function of histones in DNA packaging?

• They act as enzymes in DNA replication

• They protect the DNA from damage

• They store energy for the cell

• They regulate gene expression

What is the significance of the DNA sequence ATCG?

• It determines an organism's gender

• It codes for specific amino acids in protein synthesis

• It indicates the organism's age

• It controls photosynthesis in plants

Tags

NGSS.HS-LS1-1

What is the role of the sugar-phosphate backbone in the DNA molecule?

• It stores genetic information

• It provides structural support to the molecule

• It facilitates replication

• It serves as a template for protein synthesis

What is the purpose of DNA replication?

• To create new organisms

• To repair damaged DNA

• To produce RNA molecules

• To duplicate the genetic information