DNA replication

What is one of the four nitrogenous bases?

• Adenine

• phosphate

• nucleotiedes

• ribose sugar

DNA is ______

• double stranded

• single stranded

Which of these are examples of pyrimidines?

• Cytosine

• Adenine

• Guanine

• Thymine

Which of these are examples of purines?

• Adenine

• Guanine

• Cytosine

• Thymine

Pyrimidines are double carbon rings. True or False?

• True

• False

What phase in interphase does replication happen?

• A

• S

• T

• C

What would this pair with?

TACGTCAG

• ATGACGCA

• ATGCAGTC

• TACCATAC

• CATTGTAC

Where does replication take place?

• cytoplasm

• mitochondria

• nucleus

• chromosome

When does replication happen?

• After the S phase in interphase

• after translation

• before cell division

• during transcription

Which of these enzymes are used to "unzip" DNA?

• DNA helicase

• DNA polymerase

• protein

• lactase