The dura mater is the fragile meningeal layer that closely adheres to the surfaces of the brain and spinal cord
Indicate whether the statement is true or false
F
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Signs and symptoms of PMS include all of the following except ________
A) Mental confusion B) Constipation C) Feeling of euphoria D) Fatigue
Extracellular fluid
a. is the internal environment of the body b. is outside the cells but inside the body c. consists of the plasma and interstitial fluid d. exhibits a dynamic steady state in regard to composition, temperature, and volume e. is described by all of the above statements
The molecular formula for bicarbonate ion is HCO3-. It is therefore a
A. radioactive isotope. B. polyatomic cation. C. polyatomic anion. D. cationic compound.
which of the following best summarizes the role of DNA in protein synthesis?
a) the anticodons of DNA bind directly to amino acids, allowing them to be linked into a peptide chain b) DNA guides the folding of a new protein after it has been assembled by RNA c) DNA acts as an enzyme to catalyze the conversion of mRNA into protein d) DNA contains the genetic code that determines the amino acid sequences of proteins b) the genetic code