DNA and Genetic Code Quiz

What is the shape of DNA?

• Double helix

• Circular

• Straight

• Triple helix

What are the three parts of a nucleotide?

• Phosphate group, Sugar, Nitrogen base

• Phosphate group, Protein, Nitrogen base

• Sugar, Phosphate group, Protein

• Sugar, Protein, Nitrogen base

Which nitrogen base pairs with Adenine?

• Guanine

• Cytosine

• Uracil

• Thymine

What determines the genetic code of an organism?

• The order of the bases in one strand of DNA

• The shape of the DNA molecule

• The number of chromosomes in the nucleus

• The size of the genes in the DNA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is a gene?

• A section of DNA that codes for a specific protein

• A protein that determines traits

• A type of nitrogen base in DNA

• A section of a chromosome that determines eye color

Tags

NGSS.HS-LS3-1

What is the process in which an identical copy of a DNA strand is formed?

• Mitosis

• Meiosis

• Replication

• Transcription

During DNA replication, what happens to the original DNA strand?

• It remains unchanged

• It is destroyed

• It is unzipped and paired with new nucleotides

• It is used to form a new cell

How are traits inherited?

• Through the proteins produced by DNA

• Through the shape of the DNA molecule

• Through the number of chromosomes in the nucleus

• Through the size of the genes in the DNA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What would be the matching sequence on the opposite side of the DNA ladder if one side had the code sequence AAGCTCAG?

• TTGAGCTC

• AGCTCGAA

• AAGCTCAG

• TTCGAGTC

Where is DNA found in a cell?

• In the cytoplasm

• In the mitochondria

• In the cell membrane

• In the nucleus

Tags

NGSS.MS-LS1-2