DNA & Protein Synthesis Quiz

The figure above shows a single strand of DNA. Choose the first three nucleotides of the complimentary strand of DNA (2nd side of DNA).

• GCT
• CCT
• GGC
• TTA

During what phase does DNA replication occur?

• G1 of Interphase
• S phase of Interphase
• G2 phase of Interphase
• Mitosis

DNA replication results in two DNA molecules,

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

Tags

NGSS.HS-LS3-2

During DNA replication, a DNA strand that has the based CTAGGT produces a complementary strand with the base sequence...

• TCGAAC
• GATCCA
• AGCTTG
• GAUCCA

The enzyme that unzips DNA during DNA replication is ________, while __________ reads the separated DNA strands and attaches new complementary strands to form two molecules of DNA.

• DNA Polymerase; DNA Helicase
• RNA Polymerase; DNA Helicase
• DNA Helicase; DNA Polymerase
• DNA Helicase; RNA Polymerase

Which of the following nitrogen bases pair up in a DNA molecule?

• adenine-guanine
• guanine-cytosine
• adenine-cytosine
• cytosine-uracil

The backbone, sides of the ladder, of 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

The process by which a DNA molecule is copied and duplicated is called _______.

• binary fission
• mitosis
• replication
• translation

Tags

NGSS.HS-LS3-2

RNA contains the sugar _____.

• ribose
• deoxyribose
• glucose
• lactose

Which nucleotide in the figure below indicates the nucleic acid is RNA?

• uracil
• guanine
• cytosine
• adenine