DNA RNA Review for Test

Where does DNA contain its genetic information?

• in its hydrogen bonds

• in its deoxyribose sugar

• in its nucleotide sequence

• in its phosphate bonds

What does the sequence of nucleotide bases in a gene determine?

• it determine the kind of DNA that is produced by the cell

• it determines the kind of protein that is made by the cell

• it determines the kind of chromosomes that will be passed on to offspring

• it determine the kind of amino acid that will be manufactured in the cell

Tags

NGSS.HS-LS1-1

The backbone of a DNA molecule is made of which two components?

• phosphate molecules and ribose sugars

• deoxyphosphate molecules and ribose sugars

• phosphate molecules and deoxyribose sugars

• deoxyphosphate molecules and deoxyribose sugars

How is the shape of a DNA molecule usually described?

• double helix

• twisted sister

• flattened ladder

• twisted spiral

According to the central dogma of molecular biology, which of the following transfers of information is NOT possible?

• from DNA to DNA

• from DNA to RNA

• from RNA to protein

• from protein to RNA

If a student compares the DNA sequence of a mouse to that of human, which of the following statements is correct?

• adenine will be bonded to guanine in the mouse DNA only

• adenine will be bonded to guanine in both the mouse and human DNA

• adenine will be bonded to thymine in the mouse DNA only

• adenine will be bonded to thymine in both the mouse and human DNA

Once DNA is replicated during the cell cycle, which process is necessary to create daughter cells with the normal number of chromosomes?

• mitosis

• meiosis

• DNA polymerase

• semi-conservative replication

Tags

NGSS.HS-LS1-4

A DNA nucleotide may be made up of a phosphate group, along with ________.

• deoxyribose sugar and uracil

• ribose sugar and adenine

• deoxyribose sugar and thymine

• ribose sugar and cytosine

Messenger RNA is formed in the process of ________.

• Transcription
• Translation

• Duplication

• Mutation

RNA and DNA molecules are polymers composed of subunits known as ________.

• nucleotides
• amino acids

• proteins

• polysaccharides