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Questions in biology

[Jawaban] Explain how peat bogs form.

[Jawaban] 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.

[Jawaban] 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

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

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

[Jawaban] 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

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

[Jawaban] Coral reef ecosystems support over a million different species. Please select the best answer from the choices provided.

[Jawaban] Select all that apply. Which of the below organelles or structures are present in plant cells but not animal cells? Nucleus Centrioles Chloroplast Golgi apparatus Cell wall Mitochondria Central vacuole Plasma membrane

[Jawaban] The progeny cells of a B-cell clone are called: A. plasma cells B. sensitized T cells C. activated macrophages