Genetics and DNA

Where does DNA replication occur?

DNA replication occurs during ​ (a)   .

• interphase
• metaphase
• telophase
• anaphase
• prophase

Of these four molecules, given the names, which would you think is an enzyme?

• Nuclein

• Lactase

• Glucose

• Amino Acid

Tags

NGSS.HS-LS1-1

Match the following

• Indicates whee DNA replication begins

• Polymerase

• builds the complimentary DNA strand

• Primase

• "unzips" the DNA

• Ligase

• bonds DNA fragments together

• Helicase

Reorder the following

• Polymerase builds complimentary DNA strand

• Ligase bonds DNA fragments

• Primase marks region to begin replication

• DNA is unzipped

After replication, each strand has ​ (a)   new strand(s) and ​ (b)   old strand(s).

• one
• two
• zero

Describe the process of DNA replication, and its purpose.

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

• amino acids
• nucleotides
• fatty acids
• polysaccharides

The enzyme that unwinds the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

the base that pairs with Thymine in DNA

• adenine
• guanine
• helicase
• nucleotide