DNA Replication, Transcription, & Cell Cycle & Mitosis

The two strands of a DNA molecule are held together by ________ bonds between their base pairs.

• covalent
• hydrogen
• ionic
• peptide

Which of the following is not a base found in DNA?

• adenine
• thymine
• cytosine
• uracil

If one strand of DNA has the sequence TTACCG, the sequence of the other strand of the same molecule will be

• AATGGC
• TTACCG
• AACGGC
• AATGGG

What are the functions of genes?

• instructions for producing proteins
• instructions for producing DNA
• instructions for producing lipids
• they have no function

Tags

NGSS.HS-LS1-1

What is the process that copies information from DNA into RNA?

• protein synthesis
• transcription
• translation
• DNA Polymerase

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

The three stages of the cell cycle are __________, mitosis, and

cytokinesis.

• interphase

• anaphase

• metaphase

• prophase

In which stage of the cell cycle does the DNA replicate?

• G1

• S

• G2

• Mitosis

The following describes_________________________ during mitosis. The chromosomes line up along the middle of the cell and the spindle fibers attach to each chromosome at the centromere.

• prophase

• metaphase

• anaphase

• telophase

Tags

NGSS.HS-LS1-4