Which of the following is NOT a telomeric function? Facilitating chromosome reorganization for efficient pairing and...
Which of the following is NOT a telomeric function?
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Facilitating chromosome reorganization for efficient pairing and recombination of homologous chromosomes during meiosis |
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|
Protection of the chromosome end |
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Allowing extension of the telomere. |
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Providing a site of origin for DNA replication. |
Homework Answers
- Allowing extension of the telomere.
- This statement is wrong as telomere is getting shortened on every round of DNA replication. DNA polymerase can not replicate DNA at the ends of linear chromosomes. Telomerase help DNA polymerase to replicate in this scenario. Cells that undergo cell division is subjected to shortening of telomere, as somatic cells lack telomerase enzyme.
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Which of the following is NOT a telomeric function?
Facilitating chromosome reorganization for efficient pairing and...
Which of the following is NOT a function of homologous recombination? Repair of DNA double strand...
Which of the following is NOT a function of homologous recombination? Repair of DNA double strand breaks Repairing bulky DNA damage Pairing of homologous chromosomes in meiosis Rescue of collapsed replication forks
The following figure shows a cell containing a pair of homologous chromosomes. The alleles for the...
The following figure shows a cell containing a pair of
homologous chromosomes. The alleles for the F gene are indicated on
each chromosome. Which of the following most accurately represents
the configuration of chromosomes within the cell following DNA
replication, prior to meiosis?
Select one:
a.
b.
c.
d.
Which term is used to describe a pair of similar chromosomes in
a cell:
Select one:
a. bifurcates
b. homologous
c. chromatids
d. replicants
Which of the following statements is TRUE...
Match the following terms to the correct definition Match the following terms to the correct definition. 1. term used t...
Match the following terms to the correct definition
Match the following terms to the correct definition. 1. term used to describe the double stranded chromosomes present after DNA replication alleles A. cell division that results in the formation of B 4 cells each containing haploid number of chromosomes crossing over division of the cytoplasm type of cell division that results in the formation of 2 daughter cells genetically identical to parent cell pairing of homologous sister chromatids during prophase I...
Question 2a Deoxyribonucleic acid (DNA) is made up of nucleotides. Which part of the nucleotide stabilizes...
Question 2a Deoxyribonucleic acid (DNA) is made up of nucleotides. Which part of the nucleotide stabilizes the structure of DNA using weak van der Waals interactions (stacking) and using hydrogen bonds? (Note that covalent bonds are not included in that sentence.) a. the deoxyribose sugar b. the ribose sugar c. the phosphate d. the nitrogenous base e. the amino acid Question 2b This ability of the nitrogenous bases to exist in more than one form can lead to incorporation of...
1. Homologous recombination can happen between non-identical DNA sequences. T/F? 2. Homologous recombination can happen in_______...
1. Homologous recombination can happen between non-identical DNA sequences. T/F? 2. Homologous recombination can happen in_______ a) meiosis b) mitosis c) both 3. Homologous recombination in meiosis has the main purpose of_____ a) DNA repair b) Creating new chromosomes c) Sealing double-stranded breaks 4. Strand invasion usually happens without enzymatic assistance. T/F? 5. When replication fork runs into a nick, it results in a_______ a) single-stranded break b) double-stranded break 6. The invading end is usually a _______ a) 3'...
Mismatch repair requires all of the following EXCEPT: Requires information from a nearby homologous chromosome Uses...
Mismatch repair requires all of the following EXCEPT: Requires information from a nearby homologous chromosome Uses information on the parental strand to identify the error. Is tightly associated with new replicated DNA Makes use of ligase. Requires the use of a repair DNA polymerase. Question 12 Which of the following is NOT necessary for homologous recombination to occur? O nucleases 5' DNA strand overhangs 3' DNA strand overhangs ligase a long stretch of sequence similarity Which of the following apply...
Please let me know which of the following are right from question 1&2 1)What is the...
Please let me know which of the following are right from question 1&2 1)What is the most likely phenotype of a loss of function mutation in a proto-oncogene? (you may select more than one answer) Increased cell division, decreased cell division, cancer, non-disjunction QUESTION 2 Which of the following behaviors of meiotic chromosomes is responsible for Mendel's law of segregation? Condensation of chromosomes during metaphase 1 Segregation of homologous chromosomes during anaphase chromatids DNA replication in interphase Pairing of homologous...
multiple answers are possible! Which of the following statement about DNA is FALSE? When bacteriophage DNA...
multiple answers are possible!
Which of the following statement about DNA is FALSE? When bacteriophage DNA was shown to be the agent necessary for production of new phages, this was the early experiment demonstrating that DNA is the hereditary material. During DNA replication, two replication forks are formed to complete the synthesis of the entire chromosome in eukaryotes. During bacterial DNA replication process, replication forks move in opposite directions away from the origin of replication The molecular structure of DNA...
You see a recombination frequency of 50% between two genes. Which of the following possibilities can...
You see a recombination frequency of 50% between two genes. Which of the following possibilities can you exclude? That the genes are located close together on the same chromosome That the genes are on different chromosomes O That the genes are assorting independently That the genes are located on the same chromosome, but very far apart Meiosis contributes to genetic diversity by: o Reducing the number of chromosomes for karyogamy (fusion of nuclei) with another gamete O Recombining homologous chromosomes...
An animal has a diploid chromosome number of 40. Which of the following statements is FALSE?...
An animal has a diploid chromosome number of 40. Which of the following statements is FALSE? a) there are 80 chromatids present during prophase of mitosis b) there are 40 chromatids present during prophase II of meiosis c) there are 40 chromosomes present in each cell at the end of mitosis d) there are 20 homologous pairs e) all of the above are true (I believe this is correct but I want to be certain)
The following figure shows a cell containing a pair of
homologous chromosomes. The alleles for the F gene are indicated on
each chromosome. Which of the following most accurately represents
the configuration of chromosomes within the cell following DNA
replication, prior to meiosis?
Select one:
a.
b.
c.
d.
Which term is used to describe a pair of similar chromosomes in
a cell:
Select one:
a. bifurcates
b. homologous
c. chromatids
d. replicants
Which of the following statements is TRUE...
Match the following terms to the correct definition
Match the following terms to the correct definition. 1. term used to describe the double stranded chromosomes present after DNA replication alleles A. cell division that results in the formation of B 4 cells each containing haploid number of chromosomes crossing over division of the cytoplasm type of cell division that results in the formation of 2 daughter cells genetically identical to parent cell pairing of homologous sister chromatids during prophase I...
Mismatch repair requires all of the following EXCEPT: Requires information from a nearby homologous chromosome Uses information on the parental strand to identify the error. Is tightly associated with new replicated DNA Makes use of ligase. Requires the use of a repair DNA polymerase. Question 12 Which of the following is NOT necessary for homologous recombination to occur? O nucleases 5' DNA strand overhangs 3' DNA strand overhangs ligase a long stretch of sequence similarity Which of the following apply...
multiple answers are possible!
Which of the following statement about DNA is FALSE? When bacteriophage DNA was shown to be the agent necessary for production of new phages, this was the early experiment demonstrating that DNA is the hereditary material. During DNA replication, two replication forks are formed to complete the synthesis of the entire chromosome in eukaryotes. During bacterial DNA replication process, replication forks move in opposite directions away from the origin of replication The molecular structure of DNA...
You see a recombination frequency of 50% between two genes. Which of the following possibilities can you exclude? That the genes are located close together on the same chromosome That the genes are on different chromosomes O That the genes are assorting independently That the genes are located on the same chromosome, but very far apart Meiosis contributes to genetic diversity by: o Reducing the number of chromosomes for karyogamy (fusion of nuclei) with another gamete O Recombining homologous chromosomes...
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