Which of the following best describes a nucleosome?

a) a short stretch of DNA partly wrapped around a spool of histones
b) an mRNA molecule and many attached ribosomes
c) a group of nucleoli in the nucleus where ribosomes are produced
d) a tRNA molecule and its appropriate amino acid


a) a short stretch of DNA partly wrapped around a spool of histones

Anatomy & Physiology

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In symphysis joints the articular surfaces of the bones are covered with ________

A) synovial membranes B) fibrocartilage C) tendon sheaths D) hyaline cartilage

Anatomy & Physiology

Injury to the deep fibular nerve would cause inability to extend ones toes

Indicate whether the statement is true or false

Anatomy & Physiology

Sympathetic stimulation inhibits salivary secretion

Indicate whether the statement is true or false

Anatomy & Physiology

The pyloric sphincter serves as a valve that controls the movement of food between the esophagus and stomach.

Answer the following statement true (T) or false (F)

Anatomy & Physiology