DNA Chem

Look at the DNA sequence below.
GAA TTC GCA
What do the G and A represent in the DNA sequence?

• sugars
• phosphates
• amino acids
• nitrogen bases

What molecules do both DNA and RNA contain?

• uracil
• thymine
• nucleotides
• deoxyribose

Which of the following is the template for the production of RNA within a cell?

• DNA
• ATP
• protein
• carbohydrate

The genetic material of an organism is composed of ____________.

• lipids
• proteins
• deoxyribonucleic acids
• complex carbohydrates

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following statements best describes a DNA molecule?

• It is a double helix.
• It contains the sugar ribose.
• It is composed of amino acids.
• It contains the nitrogenous base uracil.

This illustration is a model of _____.

• RNA
• DNA
• a lipid
• a protein

Tags

NGSS.HS-LS1-1

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

• amino acids
• fatty acids
• nucleotides
• polysaccharides

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

• binary fission
• mitosis
• replication
• translation

Which of the following best describes how DNA and RNA are similar?

• They both contain the nitrogen bases thymine and adenine.
• They both are formed in a double helix structure.
• They both are composed of five different nucleotides.
• They both contain the nitrogen bases cytosine and guanine.

In a molecule of double stranded DNA, the amount of adenine present is always equal to the amount of______.

• cytosine
• guanine
• thymine
• uracil