The structural unit of compact bone. Consists of an elongated cylinder that runs parallel to long axis of bone. Acts as tiny-weight bearing pillars. Consists of lamellae.

What will be an ideal response?


Osteon (Haversian system)

Biology & Microbiology

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The measurable strength of binding of antibody to antigen is called

A) binding affinity. B) epitope. C) tolerance. D) virulence.

Biology & Microbiology

New genes are introduced into a gene pool by 

A. evolution. B. spontaneous mutations. C. natural selection. D. inheritance of acquired characteristics.

Biology & Microbiology

What is the probability of flipping a penny and a nickel and obtaining one head and one tail?

What will be an ideal response?

Biology & Microbiology

The center for spatial orientation and posture is the:

a. cerebrum b. pons c. cerebellum d. thalamus e. hypothalamus

Biology & Microbiology