WorksheetsCh. 10 - Cell Cycle
Total questions: 15
Worksheet time: 8mins
Prokaryotic cells divide by -
Mitosis
Cytokinesis
Binary Fission
Conversion
Which of the following phases of the cell cycle is not included in interphase?
G1
M
G2
S
Haploid is also known as
2n
n
The unexpressed form of DNA is ____, the expressed form of DNA is ____.
Heterochromatin, homochromatin
Euchromatin, heterochromatin
Mesochromatin, homochromatin
Heterochromatin, euchromatin
The G0 phase is the -
Resting phase
DNA replication phase
Separation of 2 new cells
Primary growth phase
What happens during the S phase of the cell cycle?
Replication of nuclear DNA
Growth & maturation
Production of extra organelles
Separation of chromosomes into sister chromatids
Cytokinesis is the division of the nucleus, mitosis is the division of the cytoplasm
True
False
Spindle fibers attach to the sister chromatids at the -
Centromere
Kinetochore
Synapsis
Centrosomes
Cohesion Point
DNA replication occurs during
Prophase
Cytokinesis
S Phase
G1
Where would researchers find histones?
Bound to a ribosome
Surrounding a nuclear pore
In the spindle apparatus
In chromosomes with DNA coiled around them
Homologous chromosomes & sister chromatids are the same thing.
True
False
Injecting MPF (Maturation Promoting Factor) into cells -
Signals apoptosis
Causes cell lysis
Induces mitosis
Moves the cell into G0
The Rb protein is a tumor suppressor protein that binds growth factors. Which of the following is most likely to happen if the cell has a nonfunctional Rb protein?
The cell will grow faster
The cell will not finish the cell cycle
The cell will undergo binary fission
The cell will prematurely move to G0
If a researcher looked at a cell and noticed a straight line of sister chromatids, which phase would they be looking at?
Prophase
Metaphase
Anaphase
Telophase
Interphase
Patients with Edward's syndrome have a trisomy of chromosome 18. What does this mean?
Chromosome 18 has been deleted
Chromosome 18 has transposed genes
Chromosome 18 is haploid
There are 3 copies of chromosome 18
