The electron microscope has revealed that one of the components within the cell consists of microtubules arranged to form a hollow tube. This structure is a ________.

A) centrosome
B) centriole
C) chromosome
D) ribosome


B) centriole

Anatomy & Physiology

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The gray matter on either side of the spinal cord is subdivided into anterior, lateral and posterior

A) columns. B) horns. C) funiculi. D) fasciculi.

Anatomy & Physiology

Which leukocyte increases in number during parasitic infections?

A) Eosinophil B) Neutrophil C) Basophil D) Lymphocyte

Anatomy & Physiology

Birds, fish, and some reptiles are __________ layers

Fill in the blank(s) with correct word

Anatomy & Physiology

Platelets

a. are small cell fragments derived from large megakaryocytes in the bone marrow b. lack nuclei c. contain high concentrations of actin and myosin, which enable them to contract d. have all of the above characteristics e. have only characteristics a and b

Anatomy & Physiology