DNA

During replication, which sequence of nucleotides would bond with the DNA sequence TATGA?

• TATGA

• UAUGA

• ATACT

• AUAGA

A nucleotide does NOT contain

• A 5-carbon sugar

• Polymearse

• A nitrogenous base

• A phosphate group

The main enzyme involved in linking individual nucleotides into DNA molecules

• Transfer RNA

• RNA polymerase

• Ribose

• DNA polymerase

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains uracil

Tags

NGSS.HS-LS1-1

Which of the following monomers are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

The two strands of nitrogenous bases in DNA are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Identify #2.

• nitrogen base
• phosphate group
• deoxyribose sugar
• nucleotide

Tags

NGSS.HS-LS1-1

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Tags

NGSS.MS-LS3-1

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

After analyzing a sample of DNA, a scientist recorded the data shown in the table. What percentage of the DNA sample is cytosine?

• 22%
• 25%
• 28%
• 56%