Chromosome Dynamics and Cell Division Quiz

Test your knowledge on cell cycle regulation with questions about DNA synthesis, spindle fibers, meiosis, checkpoints, and more!

#1

Which phase of the cell cycle is characterized by DNA synthesis?

G1 phase
S phase
G2 phase
M phase
#2

Which enzyme is responsible for unwinding the DNA double helix during DNA replication?

RNA polymerase
Helicase
Ligase
Topoisomerase
#3

Which checkpoint in the cell cycle ensures that DNA replication has been successfully completed?

G1 checkpoint
S checkpoint
G2 checkpoint
M checkpoint
#4

What is the main function of the anaphase-promoting complex (APC) in cell cycle regulation?

Initiate DNA replication
Promote apoptosis
Facilitate protein synthesis
Control the onset of anaphase
#5

During DNA replication, which enzyme is responsible for synthesizing the new complementary strands of DNA?

RNA polymerase
Ligase
Helicase
DNA polymerase
#6

What is the role of the spindle fibers during cell division?

Separate sister chromatids
Produce ATP
Synthesize RNA
Form cell membrane
#7

During mitosis, in which phase do the sister chromatids separate and move to opposite poles of the cell?

Prophase
Metaphase
Anaphase
Telophase
#8

What is the purpose of the G0 phase in the cell cycle?

DNA synthesis
Cell growth
Cell differentiation
Cell death
#9

During cytokinesis in animal cells, what structure forms to divide the cytoplasm?

Cell plate
Cleavage furrow
Synaptonemal complex
Spindle apparatus
#10

What is the role of cyclins in regulating the cell cycle?

Initiate DNA replication
Promote cell division
Prevent apoptosis
Facilitate protein synthesis
#11

During meiosis, when do homologous chromosomes separate from each other?

Prophase I
Metaphase I
Anaphase I
Telophase I
#12

What is the significance of meiosis in the production of gametes?

Maintains chromosome number
Increases genetic diversity
Forms diploid cells
Accelerates cell division
#13

In a human somatic cell, how many chromosomes are present during the G1 phase of the cell cycle?

23
46
92
69
#14

What is the primary function of the centrosome in cell division?

DNA replication
Protein synthesis
Microtubule organization
Lipid synthesis
#15

In meiosis, what is the result of crossing over between homologous chromosomes?

Formation of identical daughter cells
Production of haploid gametes
Increased chromosome number
Formation of diploid zygotes
#16

What is the significance of the p53 protein in the cell cycle?

Initiates DNA replication
Induces apoptosis
Synthesizes RNA
Forms the spindle apparatus
#17

During mitosis, when do the nuclear envelopes reform around the separated chromatids?

Prophase
Metaphase
Anaphase
Telophase

Sign In to view more questions.

Sign InSign Up

Quiz Questions with Answers

Forget wasting time on incorrect answers. We deliver the straight-up correct options, along with clear explanations that solidify your understanding.

Test Your Knowledge

Craft your ideal quiz experience by specifying the number of questions and the difficulty level you desire. Dive in and test your knowledge - we have the perfect quiz waiting for you!

Similar Quizzes

Other Quizzes to Explore