What is different about normal cell division and cancer cell division?

Answers

Answer 1
They grow, divide and die. Cancer cells, on the other hand, don't follow this cycle. Instead of dying, they multiply and continue to reproduce other abnormal cells.
Answer 2
Cancer cells are cells gone wrong — in other words, they no longer respond to many of the signals that control cellular growth and death. Cancer cells originate within tissues and, as they grow and divide, they diverge ever further from normalcy. Over time, these cells become increasingly resistant to the controls that maintain normal tissue — and as a result, they divide more rapidly than their progenitors and become less dependent on signals from other cells. Cancer cells even evade programmed cell death, despite the fact that their multiple abnormalities would normally make them prime targets for apoptosis. In the late stages of cancer, cells break through normal tissue boundaries and metastasize (spread) to new sites in the body.

In normal cells, hundreds of genes intricately control the process of cell division. Normal growth requires a balance between the activity of those genes that promote cell proliferation and those that suppress it. It also relies on the activities of genes that signal when damaged cells should undergo apoptosis.

Related Questions

How to do head to toe exams

Answers

Answer:

General Status. Vital signs. ...

Head, Ears, Eyes, Nose, Throat. Observe color of lips and moistness. ...

Neck. Palpate lymph nodes. ...

Respiratory. Listen to lung sounds front and back. ...

Cardiac. Palpate the carotid and temporal pulses bilaterally. ...

Abdomen. Inspect abdomen. ...

Pulses. ...

Extremities.

Explanation: You can search it up too if you'd like :)

During a strength training workout, a rest period of ________ minutes is recommended between exercises that use the same muscle groups.

Answers

Answer:

three to five minutes

Explanation:

the resting period is 3-5 minutes

according to bureau of labor statistics, what percetn of the 645 contstruction fatalites in 2009 resulted form fdalls from ladders and on stairs

Answers

Answer:

according to bureau of labor statistics, what percent of the 645 contstruction fatalites in 2009 resulted form falls from ladders and on stairs

Explanation:

In the year 2009, ladder falls accounted for about 33.33% ( one - third) of all the construction fatalities in that year.

What are construction fatalities?

The term construction fatalities has to do with deaths that result from work in the construction sector of the economy. One of the prominent causes of death in the construction  sector is ladder falls.

In the year 2009, ladder falls accounted for about 33.33% ( one - third) of all the construction fatalities in that year.

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The nurse has just finished teaching a client newly diagnosed with rheumatoid arthritis about the disease. The nurse determines that teaching is effective when the client makes which statement

Answers

Given what we know about rheumatoid arthritis, we can confirm that the nurse can determine that the teaching is effective when the client makes the statement that "Rheumatoid arthritis includes joint involvement that is usually symmetric and polyarticular".

Arthritis is one of many diseases in the autoimmune category. An autoimmune disease is one in which the immune system of the patient attacks its own cells. The reasons behind this remain unknown. In the case of Rheumatoid arthritis, the attacks remain isolated to the joints. The immune system causes the joints to be unable to produce synovial liquid, which causes inflamation.

As stated by the patient, Rheumatoid arthritis includes joint involvement that is usually symmetric and polyarticular. What this means is that any diarthrodial joint can be affected by the condition and is usually collateral, meaning that if the left hand is affected, the right hand often is as well.

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According to recommendations for reducing CVD risk, saturated fat should provide no more than ____ percent of total calories.

Answers

Answer:

10%

Explanation:

Domingo has just hit play to begin listening to a new song he bought. Based on the structure of the ear, what will the sound waves contact first after moving through domingo’s auditory canal?.

Answers

The sound waves first contact the eardrum after moving through Domingo's auditory canal. The eardrum is a thin membrane of skin.

The eardrum is a thin layer of skin (a membrane) that vibrates when sound contacts it.

These vibrations are then transmitted to the tiny bones in the tympanic (i.e., middle-ear) cavity and subsequently to the inner ear.

Finally, the inner ear transmits the auditive signals to the brain in order to process such auditive messages.

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What gland is responsible for seasonal changes?

Answers

Answer: the pineal gland

Explanation: hope this helps

an increased number of elderly persons are electing to undergo a new surgical procedure which cures glaucoma

Answers

Answer:

Decrease prevalence of glaucoma in the population.

i just need help on plants

Answers

Answer:

there are 390,900 plants in the world

there are 57 genera of flowering plants

there are 452 plant families

there are 14 plant phyla

The assessment of a client admitted with increased ascites related to cirrhosis reveals the following: pulse 86 beats per minute and weak, respirations 28 breaths per minute, blood pressure 130/88 mm Hg, and pulse oximetry 90%. Which nursing diagnosis should receive top priority

Answers

The nursing diagnosis which should receive top priority is ineffective

breathing pattern.

Ascites is a medical condition in which fluids build up in the stomach. The

weight of the accumulated fluid can exert a force on the diaphragm which

may result in difficult and ineffective breathing pattern.

In this scenario, the results given indicates high respiratory rate due to

difficulty in taking in air . The  low oxygen saturation also indicates the

diagnosis. The high respiration rate could cause or other severe

issues such as cell death which is why it must receive top priority.

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The nurse is providing education to a client newly diagnosed with asthma. Which statement by the parents indicates additional teaching is needed

Answers

Answer:

"It is okay for our child to do chores such as sweeping the floor."

Explanation:

Sweeping the floor can trigger a child's asthma by making environmental allergens and irritants airborne, causing upper respiratory infections.Explanation:

What client information does a nurse need to assess prior to initiating medication therapy with phenelzine.

Answers

Any diseases or disorders or any allergies to anything in the drug

The nurse is preparing to administer timolol eye drops for treatment of glaucoma. What statement made by the patient would cause the nurse to hold the medication and report to the health care provider

Answers

The statement made by the patient that would cause the nurse to hold the

medication and report  is "I have chronic obstructive pulmonary disease."

Different ailments or diseases have their unique treatment plan . In this

scenario, the nurse thought his issue was glaucoma which was why she was

giving him timolol eye drops.

The patient however saying he has chronic obstructive pulmonary disease

will cause the nurse to suspend medication and report to the health care

provider for clarity in order to determine next line of action.

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Which of the following would you most probably used to pinpoint injuries and brain deterioration (It's not B)

Select one:

a.
An MRI


b.
magnetic resonance imaging


c.
positron emission topography


d.
computerized axial tomography

Answers

Answer:

D.

Explanation:

Answer:
A. An MRI

Explanation:

3 ways cancer can spread?

Answers

Cancer can be spread through 1) the circulatory system (though the blood), 2)the lymphatic system (the parts of the body that fights infections), and 3) the transcoelomic (body cavities like abdominal and chest) areas. Hope that helps.

blood system
lymph system
Tissue, this is when cancer grows into nearby or regional areas.

the fact that someone with a high risk of medical problems is likely to buy a large amount of health insurance is an example of

Answers

Answer:

to take treatment that doctor gave you

The nurse is teaching a client about the potential for allergic drug reaction. What statement made by a client suggests a need for further teaching

Answers

Answer:

A statement made by a client that could suggest further teaching is needed is:

"Auvi-Qs and Epinepheren Autoinjectors are the same things."

This shows naivety because the two are very different.

What should a health care worker do if the solution to a problem requires a task that is outside of the scope of practice

Answers

Answer: Consult a supervisor.

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A client is being prepared for intrauterine (artificial) insemination. Which finding is the most suggestive to determine if the client is ovulating

Answers

Given what we know about uterine changes during ovulation, we can confirm that the most suggestive option to determine if the client is ovulating is the change in the cervical mucus.

During ovulation, many changes occur in the uterine in preparation for the possible fertilization of the egg and its subsequent implantations into the uterine wall. Of these changes, the most useful is the change to the mucus of the endometrium.

The endometrium is the outermost layer of the uterine wall, therefore, it is where the glands that will secrete hormones are located. During ovulation, the changes to this layer are clear and can provide unmistakable evidence of ovulation. One such evidence is the secretion of hormones specific to this stage in the menstrual cycle.

This was answered based on the complete question found online which states:

A client is being prepared for artificial insemination. Which finding is the most suggestive to determine if the client is ovulating?

A) slight weight gain

B) change in the cervical mucus

C) abdominal cramps

D) fall in body temperature

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Approximately how many doses are required to obtain a steady-state oscillation allowing for peak and trough levels to be evaluated

Answers

Answer: 2 or more

Explanation:

When peak and trough concentrations are the same with two or more successive doses, steady-state is reached. The time required to reach steady-state is approximately 4 to 5 half-lives.

How do mutations that affect the viral protein coat allow human immunodeficiency virus (hiv) to evade the immune system?.

Answers

Answer:

they just do they also aswell

Explanation:

yeah they do

A study of the risk of pulmonary hypertension among women who take diet drugs to lose weight. The crude relative risk of pulmonary hypertension comparing diet drug users to non-users is 17.0 and the age adjusted relative risk is 5.0. Is age a confounder in this study

Answers

Answer:

Yes

Explanation:

EPI test

Cryosurgery would be an option to remove ________ lesions after these lesions are identified on colposcopy.

Answers

Answer: cervical

hope this helps:)

True or False: Dietary supplements must show scientific evidence of a minimum level of safety and effectiveness to be marketed.

Answers

This is false. Dietary supplements are not medication, therefore they are not evaluated by the FDA and are not required to include these types of labels.

1. When an allergic reaction proceeds to life-threatening anaphylaxis, it will usually do so __________. *

Answers

Answer: quickly within 30 minutes

Explanation:

What is the difference between the left and right hemispheres of the brain?.

Answers

Answer:

The human brain is basically symmetrical, split down the middle: the right cerebral hemisphere receives sensory input from and directs movement on the left side of the body, while the left hemisphere governs corresponding functions for the right side.

Explanation:

given the coordinates (5;1) and (-3;8)
determine the gradient between the given coordinates ​

Answers

m=7/-8

Explanation:

Gradient means that slope.

m= y2-y1/x2-x1

m=8-1/-3(-5)

m=7/-8

welcome

Which diseases are the result of a bacterial infection? gingivitis, renal failure, and diverticulitis urinary tract infection, gingivitis, and peptic ulcers renal failure, diverticulitis, and kidney stones peptic ulcers, irritable bowel syndrome, and kidney stones

Answers

Answer:

I think its fungi sorry if I'm wrong I'm still researching about diseases and medicine.

The answer is all of the above

The lab result on the test from the previous question shows that the patient has a blood type of
AB positive. The ER doctor orders a procedure in which blood will be administered to the pt. You
fill out the request slip for the blood bank. Which procedure will you order for this patient?

Answers

A blood transfusion

Blood transfusion is the way of introducing blood products into the bloodstream of a person through an IV. Transfusions are used to replace blood parts that have been lost because of different health problems.

What is blood transfusion?

Intravenous blood transfusion refers to the process of introducing blood or blood products into the circulatory system of another individual. In order to restore lost components of blood, various medical disorders often require the administration of transfusions.

When receiving a blood transfusion, a medical expert will insert a thin needle into a vein, most commonly located in the arm or hand of the patient. After that, the blood is transferred from the bag, via the rubber tube, and finally into the vein of the person using the needle. Throughout the entire surgery, they will keep a close eye on all of the vital signs.

This technique has the potential to save a patient's life since it helps restore blood that was lost as a result of surgery or injury. If you have a condition that stops your body from producing blood or some of the components of blood appropriately, a blood transfusion may also be of assistance to you.

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A feature of rheumatoid arthritis that differentiates it from other forms of inflammatory arthritis is the development of:

Answers

Answer: The major difference between RA and other forms of inflammatory arthritis, such as psoriatic arthritis, lies not in their respective cytokine patterns but, rather, in the highly destructive potential of the RA synovial membrane and in the local and systemic autoimmunity.

Explanation:hope this answers your questions

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