STAAR Biology DNA Quiz

What is the genetic code?

• The genetic code is a type of barcode used to identify different species.

• The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences).

• The genetic code is a mathematical equation that determines an individual's genetic traits.

• The genetic code is a type of encryption used to protect genetic information.

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

What are the four nitrogenous bases found in DNA?

• adenine, thymine, cytosine, guanine

• adenine, thymine, guanine, phosphorous

• adenine, thymine, cytosine, uracil

• adenine, uracil, cytosine, guanine

What is the structure of DNA?

• Square shape

• Double helix

• Single strand

• Triple helix

What is the function of DNA in cells?

• The function of DNA in cells is to provide energy for cellular processes.

• The function of DNA in cells is to produce proteins.

• The function of DNA in cells is to store and transmit genetic information.

• The function of DNA in cells is to regulate cell division.

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NGSS.HS-LS1-1

What is a nucleotide?

• A nucleotide is the basic building block of nucleic acids.

• A nucleotide is a type of protein.

• A nucleotide is a type of lipid.

• A nucleotide is a type of carbohydrate.

What is the complementary base pairing in DNA?

• Adenine (A) pairs with cytosine (C), and guanine (G) pairs with thymine (T)

• Adenine (A) pairs with guanine (G), and thymine (T) pairs with cytosine (C)

• Adenine (A) pairs with uracil (U), and guanine (G) pairs with cytosine (C)

• Adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C)

What is the role of DNA in protein synthesis?

• DNA is directly involved in the synthesis of proteins.

• DNA acts as a template for the synthesis of lipids.

• DNA is responsible for the breakdown of proteins.

• DNA contains the genetic information that is transcribed into mRNA and translated into proteins.

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NGSS.HS-LS1-1

What kind of bond is between the nitrogenous bases?

• covalent bond

• hydrogen bond

• sugar bond

• phosphate bond

What is the significance of DNA replication?

• DNA replication is a random process and does not ensure accurate transmission of genetic information.

• DNA replication is only important for the transmission of non-genetic information.

• DNA replication is significant because it ensures the accurate transmission of genetic information during cell division.

• DNA replication is not significant and does not play a role in cell division.

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NGSS.HS-LS3-2

NGSS.HS-LS1-4

What is the DNA backbone made of?

• deoxyribose sugar, phosphate,

• adenine, guanine, and thymine

• cartilage and ligaments

• hydrogen, phosphorous, and nitrogen