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ONS/ONCC Chemotherapy Immunotherapy Certificate Questions With 100%Verified Answers A+Graded $11.49   Add to cart

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ONS/ONCC Chemotherapy Immunotherapy Certificate Questions With 100%Verified Answers A+Graded

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  • ONS/ONCC Chemotherapy Immunotherapy Certifi
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  • ONS/ONCC Chemotherapy Immunotherapy Certifi

ONS/ONCC Chemotherapy Immunotherapy Certificate Questions With 100%Verified Answers A+Graded Lesson 1: Foundations to Set the Stage - correct answer... Focusing on Cellular Structure and Function - correct answer... The Normal Cell Cycle - correct answer...-The cell cycle refers to the ord...

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  • September 9, 2024
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  • ONS/ONCC Chemotherapy Immunotherapy Certifi
  • ONS/ONCC Chemotherapy Immunotherapy Certifi
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ONS/ONCC Chemotherapy
Immunotherapy Certificate Questions
With 100%Verified Answers A+Graded
Lesson 1: Foundations to Set the Stage - correct answer...✔✔

Focusing on Cellular Structure and Function - correct answer...✔✔

The Normal Cell Cycle - correct answer...✔✔-The cell cycle refers to the ordered seres
of processes of DNA replication and mitosis, or cell division

-Cell nucleus regulates these processes by gathering and processing complexes
molecular information

Interphase and Mitotic Phase - correct answer...✔✔Cell division produces two identical
cells through these two major phases

During interphase: - correct answer...✔✔Cell grows and DNA is replicated through the
following three steps:

1: First growth phase (G1 or first gap)

2: Synthesis phase (S phase)

3:Mitotic Phse (M phase)

First Growth Phase (G1 or first gap) - correct answer...✔✔-cells increase in size

-reproduce RNA

-"quality assurance" test that the cell will be ready to synthesis DNA

-Length of time is variable, can be from hours to days

Synthesis Phase (S phase) - correct answer...✔✔-DNA replicates

-Results in the formation of identical pairs of DNA (chromatids)

-which are attached a t the centromere

-lasts 2-10 hours




AGRADESOLUTIONS

,Mitotic Phase (M phase) - correct answer...✔✔-Replicated chromosomes are aligned,
separated, and move into 2 new, identical daughter cells

-takes about 30-60 minutes

Major points of cell regulation are entry and exit from - correct answer...✔✔-G1
checkpoint

-S Phase

-G2 checkpoint

-M phase

Restriction Point - correct answer...✔✔-The transition from the resting phase into an
actively dividing phase (G0-G1) is a point where cellular transformation can occur

-During this time, cells pass through a transition phase known as a restriction point

-Extracellular growth factors trigger reentry into G1, and GF are required to send the
cells past the restriction point, or the point of no return

G0 Phase (resting phase) - correct answer...✔✔-After mitosis, cells may enter back
into the G1 phase or go into a resting phase, known as G0

-Most cells in the human body reside in G0

-Exceptions to this are those that are (Resting in G0 phase) - correct answer...✔✔-
Exceptions to this are those that are metabollically active, such as

-granulocytes

-and the epithelium of the GI tract

Cell Cycling Time - correct answer...✔✔Amount of time from mitosis to mitosis

Cell cycle video and image - correct answer...✔✔
http://highered.mheducation.com/sites/0072495855/student_view0/chapter2/animation_
_how_the_cell_cycle_works.html

Check points in the Cell Cycle: Keeping it All Under Control - correct answer...✔✔-The
cell cycle is carefully controlled through a series of checkpoints




AGRADESOLUTIONS

, -Variation in duplication or distribution of chromosomes during cell division can alter the
genetic information passed on to daughter cells, leading to cellular dysfunction and
disease, such as cancer

-These checkpoints monitor for DNA integrity and control progression through mitosis

Progression through the cell cycle is controlled through two proteins: - correct answer...
✔✔1. cyclines (D, E, A, B)

2. Cyclin-dependent kinases (CDKs)

-Cyclin-CDK complex allows the cell to progress through each phase of the cell cycle

Locations of proteins Cyclins (D, E, A, B) and CDKs - correct answer...✔✔-(G0-G1) :
Cyclin D and CDK 4/6

-Early S: Cyclin E and CDK 1/2

-Late S: Cyclin A and CDK 1/2

-G2: CDK 1/2 and cyclin A

-Before M: CDK 1 and Cyclin B

Inhibitory proteins - correct answer...✔✔-prevent progression of the cycle when DNA
damage is detected

-An example of an inhibitory protein is p53 (AKA TP53)

DNA Damage Checkpoints - correct answer...✔✔-If DNA damage is present, cells are
programmed to stop dividing or undergo apoptosis (programmed cell death)

-The retinoblastoma protein (Rb), p53, and p21 are some of the most well-understood
inhibitory proteins (IP)

Inhibitory proteins p53 - correct answer...✔✔-Levels of this IP regulate several
important target genes

-Will increase when DNA damage is present

-Protects against inappropriate signal proliferation

-sometimes called the "suicide gene"

M Phase Checkpoints - correct answer...✔✔When the cells prepare to divide, the
chromosomes line up in the mitotic spindle.


AGRADESOLUTIONS

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