7A DNA Vocabulary*

Match the following

• DNA

• a spiral structure of two complementary strands of DNA

• RNA

• a nucleic acid that aids in making protein in the cell

• nucleic acid

• DNA or RNA

• nucleotide

• a nucleic acid found in the nucleus of cells and containing hereditary information

• double helix

• the monomer for nucleic acid; the building block of nucleic acids; composed of a sugar, a phosphate group, and one of four nitrogenous bases

Match the following

• nitrogen bases

• one of the nitrogen bases that bonds with thymine in DNA and bonds with uracil in RNA

• cytosine

• one of the nitrogen bases that bonds with cytosine in DNA and RNA

• thymine

• the nitrogen-containing purines (adenine or guanine) or pyrimidines (cytosine, thymine, or uracil) found in nucleic acids DNA and RNA

• adenine

• one of the nitrogen bases that bonds with adenine in DNA

• guanine

• one of the nitrogen bases that bonds with guanine in DNA and RNA

Match the following

• RNA

• 
• uricil

• 
• double helix

• 
• nucleotide

• one of the nitrogen bases that bonds with adenine during gene expression; found in RNA but not in DNA

DNA is the code for ___ life.

Tags

NGSS.HS-LS1-1

What molecules are in nucleotides?

• Phosphate group

• Protein

• Sugar

• lipid

• Nitrogenous base

Which bases are only found in DNA?

• Thymine

• Cytosine

• Adenine

• Uracil

• Guanine

The process by which a DNA molecule is copied is called _____.

• binary fission
• mitosis
• replication
• translation

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

Nitrogenous bases are joined by which type of bond?

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

Label the following image.

b

c

a

deoxyribose sugar

nitrogenous base

phosphate group

Tags

NGSS.HS-LS1-1