What allows cancer cells to divide an infinite number of times? Telomerase genes become active in...
What allows cancer cells to divide an infinite number of times?
| Telomerase genes become active in cancer cells |
| The ends of the chromosomes become resistant to degradation in cancer cells |
| Cancer cells contain special DNA repair genes not found in healthy cells |
| Cancer cells lack signal transduction pathways |
Homework Answers
In normal cell division telomer get shorten after each division and finally after many division become very small this lead end of cell division but in cancer cell telomer add DNA at the end so cell division continues several times hence answer a is true
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What allows cancer cells to divide an infinite number of
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Telomerase genes become active in...
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Write the letter of the correct answer on the first page. Control of entry into the cell cycle is essential. Unicellular eukaryotes that enter into it too soonyw have the necessary energy to complete it, leading to their demise, whereas in multicellular eukaryotes usually leads to cycle are controlled by proteins, problems with the genes that code for these proteins are a commorn source of error. These genes fall into two broad groups: 33 uncontrolled cellular division 32 Since the...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part...
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QUESTION 13 Which of the following would occur if a mutation caused Kinase 1 to be...
QUESTION 13
Which of the following would occur if a mutation caused Kinase 1
to be unable to be phosphorylated? (Select all)
RTK would bind VEGF
RTK would phosphorylate itself
RAS would become active
The phosphorylation cascade would occur
The endothelial cell would divide
0.2 points
QUESTION 14
Imagine that an endothelial cell has a mutation in several of
the enzymes that perform mismatch repair. The endothelial cell
replicates its DNA and then divides into two cells. The resulting...
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Write the letter of the correct answer on the first page. Control of entry into the cell cycle is essential. Unicellular eukaryotes that enter into it too soonyw have the necessary energy to complete it, leading to their demise, whereas in multicellular eukaryotes usually leads to cycle are controlled by proteins, problems with the genes that code for these proteins are a commorn source of error. These genes fall into two broad groups: 33 uncontrolled cellular division 32 Since the...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
QUESTION 13
Which of the following would occur if a mutation caused Kinase 1
to be unable to be phosphorylated? (Select all)
RTK would bind VEGF
RTK would phosphorylate itself
RAS would become active
The phosphorylation cascade would occur
The endothelial cell would divide
0.2 points
QUESTION 14
Imagine that an endothelial cell has a mutation in several of
the enzymes that perform mismatch repair. The endothelial cell
replicates its DNA and then divides into two cells. The resulting...
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