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Chapter 10 Quiz 2

Jack Alkema 17 preguntas 5,0 (1 valoración)

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Preguntas del test (17)

  1. 1When cells are grown in a laboratory, which of the following is a factor that can stop normal cells from dividing?

    1. Aa cut in the skin
    2. Bcontact with other cells
    3. Cgrowth factors
    4. Dinjection of cyclin
  2. 2In eukaryotic cells, the timing of the cell cycle is regulated by

    1. Acyclins
    2. Bcentrioles
    3. Cspindle fibers
    4. Dthe nuclear envelope
  3. 3Cyclins are a family of closely related proteins that

    1. Aproduce p53.
    2. Bcause cancer.
    3. Cwork to heal wounds.
    4. Dregulate the cell cycle.
  4. 4Which of the following are external regulators of the cell cycle?

    1. Acancer cells
    2. Bcyclins
    3. Cgrowth factors
    4. Dmitotic spindles
  5. 5Cancer is a disorder in which some cells have lost the ability to control their

    1. Asurface area
    2. Bsize
    3. Cspindle fibers
    4. Dgrowth rate
  6. 6Cancer cells form masses of cells called

    1. Atumors
    2. Bcyclins
    3. Cgrowth factors
    4. Dp53
  7. 7A cell with a defective p53 gene is likely to

    1. Agenerate hormones that combat tumors.
    2. Bstop responding to growth regulators.
    3. Cproduce cells without a defective p53 gene.
    4. Dstop dividing to produce daughter cells.
  8. 8During early development, all cells in the embryo of a multicellular organism are identical. Later on in development, the cells will become specialized through a process called

    1. Adifferentiation
    2. Bcytokinesis
    3. Capoptosis
    4. Dinterphase
  9. 9Why are stem cells important?

    1. AThey have the potential to undergo cell division.
    2. BThey have specialized DNA.
    3. CThey have the potential to develop into other cell types.
    4. DThey are incapable of becoming cancer cells.
  10. 10Which of the following is a possible future benefit of stem cell research?

    1. Aincreasing a person’s intelligence quotient
    2. Bgenerating embryos from nonliving tissue
    3. Cdeveloping a vaccine for cancer
    4. Dreversing damage from a heart attack

Información

Descripción
Biology Test sobre Chapter 10 Quiz 2, creado por Jack Alkema el 07/12/2016.
Idioma
English
Visitas
26
Etiquetas
biology
Valoración
5,0 de 5 · 1 valoración
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