Worksheetsmeiosis and mitosis
Total questions: 20
Worksheet time: 15mins
why is meiosis better than mitosis
genetic variation
longer process
2 divisions
4 cells made
Which of the following is matched with its correct function? SELECT ALL THAT APPLY
DNA Pol III - Removes RNA Primer and replaces it with newly synthesized DNA
Primase - Synthesizes RNA Primers for replication
Sliding Clamp - seals the gaps between Okazaki fragments to create a continuous strand
Single Stranded Blinding Proteins (SSBPs) - Helps to hold the DNA polymerase in place when nucleotides are being added
Which of the following are CORRECT observations about the differences between MITOSIS and MEIOSIS? (Check all that apply.)
Mitosis produces cells that identical to the parent cell.
Meiosis produces cells that have half the number of chromosomes as the parent cell.
All cells go through INTERPHASE as part of the cell cycle, whether it goes to mitosis or meiosis next.
In both types of cell division, the chromosomes are only duplicated once.
Only in Mitosis, do you see chromosomes pair up to form a tetrad. (homologous chromosomes)
Check all of the following that DO occur during Telophase I and cytokinesis. SELECT ALL THAT APPLY
The separated homologous chromosomes are at opposite poles of the cell.
The cell divides in two.
The chromosomes do not uncoil, since they are getting ready for Meiosis II.
Sister chromatids are pulled away from each other.
What theory is this photo depicting???
(a)
Chromosomes are duplicated during what stage of the cell cycle?
G1 Phase
S Phase
Prophase
Prometaphase
Attachment of the mitotic spindle fibers to the kinetochores is a characteristic of which stage of mitosis?
prophase
prometaphase
metaphase
anaphase
Identical copies of chromatin held together by cohesin at the centromere are called _____.
histones
nucleosome
chromatin
sister chromatids
.
Explain why half of DNA is replicated in a discontinuous fashion.
Replication of the leading strand occurs in the direction away from the replication fork in short stretches of DNA, since DNA is always synthesized from the 5’ to 3' end. This results in pieces of DNA being replicated in a discontinuous fashion.
Replication of the lagging strand occurs in the direction of the replication fork in short stretches of DNA, since DNA is always synthesized from the 5’ to 3' end. This results in pieces of DNA being replicated in a discontinuous fashion.
Replication of the leading strand occurs in the direction of the replication fork in short stretches of DNA, since DNA is always synthesized from the 3’ to 5' end. This results in pieces of DNA being replicated in a discontinuous fashion
Replication of the lagging strand occurs in the direction away from the replication fork in short stretches of DNA, since DNA is always synthesized from the 3’ to 5' end. This results in pieces of DNA being replicated in a discontinuous fashion.
Separation of the sister chromatids is a characteristic of which stage of mitosis?
prometaphase
metaphase
anaphase
telophase
