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Questions in biology

[Answered] Calcium absorption is aided by: A. phosphorus and fiber B. vitamin D C. all of these help with calcium absorption D. oxalate and phytate

[Answered] Give an example of an organ and its function.

[Answered] Why are chromosomes regarded as the basis of heredity?

[Answered] Explain how peat bogs form.

[Answered] Mutations may be caused by A. errors in prokaryotic replication. B. exposure to radiation. C. exposure to chemicals. D. errors in eukaryotic replication. E. All answers are correct.

[Answered] Nerve impulses often develop short circuits in people with multiple sclerosis because of the deterioration of which of the following? A. axons B. myelin C. dendrites D. plasma

[Answered] What is the characteristic appearance of malignant cells? A. Increased nucleocytoplasmic ratio B. Regular cell size C. Round and smooth nuclei D. Uniform chromatin

[Answered] Kinesthesia and proprioception are examples of what type of sense? A) Nociception B) Thermoreception C) Special D) General

[Answered] In which in vitro assay are proteins first separated on an electrophoresis gel? A. Radial immunodiffusion assay B. Complement fixation test C. Ouchterlony assay D. Western blot

[Answered] Human B lymphocytes mature in an intestinal region called the bursa. True or False?