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
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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
Injury to the deep fibular nerve would cause inability to extend ones toes
Indicate whether the statement is true or false
Sympathetic stimulation inhibits salivary secretion
Indicate whether the statement is true or false
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)