Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?
A. the heart
B. the lungs
C. the esophagus
D. the intercostal muscles
E. the thymus gland
D
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Which of the following is NOT a fate that awaits glucose 6-phophate after it is formed in a cell?
a) Synthesis of glycogen b) Release of glucose into the blood stream c) Synthesis of nucleic acids d) Glycolysis e) Gluconeogenesis
The alpha-helix and pleated sheet are examples of the ________ structure of a protein.
A) pentanary B) primary C) secondary D) quaternary E) tertiary
Which type of epithelium is present where easy exchange of materials out of the blood is most important?
A) simple epithelium B) stratified squamous epithelium C) cuboidal epithelium D) endothelium E) columnar epithelium
What amount of milk is made up of water?
a. 50% c. 99% b. 65% d. 87%