The process by which cells that were once mature and differentiated become undifferentiated and immature in appearance and behavior is known as ________
A) angiogenesis
B) encapsulated
C) apoptosis
D) anaplasia
D
Explanation: A) Angiogenesis has nothing to do with differentiation.
B) Encapsulated describes a benign tumor, not a process.
C) Apoptosis is programmed cell death, not differentiation.
D) Correct!
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Answer the following statements true (T) or false (F)
1. Severe intimate partner violence has been reported by one in four heterosexual women. 2. Homicide is the leading cause of death among individuals aged 15 to 54. 3. A common cause of death from hazing is alcohol poisoning. 4. Convicted sex offenders are required by law to register their names and addresses with the local police department. 5. Incest is a form of sexual coercion.
What would be the outcome if a naive B cell were to bind to pathogen coated with specific antibody made by an effector B cell in a primary immune response using Fc?RIIB1, and simultaneously bind to the same pathogen using its B-cell receptor?
a. a positive signal leading to the production of low-affinity IgM antibodies b. a positive signal leading to isotype switching and the production of IgG, IgA, or IgE antibodies c. a positive signal leading to somatic hypermutation and the production of high-affinity IgM antibodies d. a negative signal leading to inhibition of the production of low-affinity IgM antibodies e. a negative signal leading to apoptosis.
Which of the following is false?
A. In 1936, the IOC selected Tokyo as the host city for the 1940 Olympiad, but the Tokyo Olympiad never took place because of World War II. B. Since Tokyo was involved in the war, the IOC then awarded the Olympic Games to Helsinki; however, Finland was invaded by the Soviet Union in 1939 and had to bow out. C. Baron de Coubertin and all the successive IOC presidents believed that the Olympic Games have the potential to promote peace and international understanding and thereby help to avoid wars. D. None of the answers are correct.
In ABC123 prioritized planning, an "A" item is something that is ____. a. very important and must be done today
b. quite important and should be done today. c. slightly important and could be done today. d. unimportant and can be done the following day. e. irrelevant and should be permanently removed from the list.