Which is a FALSE statement about the cerebrospinal fluid?
A. It has the same composition as blood plasma.
B. It circulates within and between brain ventricles and surrounds the spinal cord.
C. It is secreted by cells lining the ventricles of the brain.
D. It is in diffusion equilibrium with the extracellular fluid of the central nervous system.
E. It acts as a cushion for the brain and spinal cord.
Answer: A
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In the diagram, which bone is the short bone?
a) A b) B c) C d) D e) E
Immunoglobulin ____ is found on the surface of B lymphocytes and is important in B cell activation
a. D b. M c. E d. G
A special sense is one that has
A. no receptors. B. receptors that are confined to the head. C. receptors only found in humans. D. unencapsulated receptors. E. receptors that respond to several types of stimuli.
The nucleotide triplet in tRNA that base-pairs with a complementary triplet in mRNA is called the codon.
Answer the following statement true (T) or false (F)