Biology Forums - Study Force

The kind of bone cell that is involved in bone formation is the:
  1.osteoblast.
  2.osteoclast.
  3.osteocyte.
  4.osteopenia.

Q. 2

Blood calcium concentrations are highly regulated and all of the following hormones are involved in calcium homeostasis EXCEPT:
  1.calcitriol.
  2.calcitonin.
  3.parathyroid hormone.
  4.thyroid hormone.

Q. 3

Grilling meat at high temperatures is associated with increased cancer risk because of the presence of:
  1.fat.
  2.heterocyclic amines.
  3.iron.
  4.nitrosamines.

Q. 4

It is estimated that 80 of all lung cancer cases are caused by:
  1.dietary fat intake.
  2.inherited genetic factors.
  3.lack of physical activity.
  4.use of tobacco products.

Q. 5



Q. 6

The failure of the body to repair damaged DNA leads to the step in cancer development called:
  1.initiation.
  2.metastasis.
  3.progression.
  4.promotion.

Q. 7

I have heard that coffee and tea cause dehydration. Is this true?

Q. 8

Which of the fat-soluble vitamins functions as a coenzyme in carboxylation reactions?
  1.Vitamin A
  2.Vitamin D
  3.Vitamin E
  4.Vitamin K

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