Which vessels typically carry blood away from the heart?
A) venules B) arteries C) capillaries D) veins
Answer: B
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Which part of the nephron can be found in the medulla of the kidney?
a. Bowman’s capsule b. glomerulus c. loop of Henle d. distal convoluted tubule
Compare F-actin with G-actin
A) F actin is a twisted strand made up of two rows of G actin subunits where myosin heads can bind. B) G actin is a twisted strand made up of two rows of F actin subunits where myosin heads can bind. C) F actin binds myosin during muscle relaxation and G actin binds myosin during muscle contraction. D) F actin binds myosin during muscle contraction and G actin binds myosin during muscle relaxation. E) F actin is functional actin that contains myosin binding sites and G actin covers the binding sites on F actin to prevent actin-myosin interaction.
Which is NOT true about AIDS?
A. The HIV virus preferentially enters and disables B cells. B. It is caused by a virus that contains RNA. C. It is caused by a retrovirus. D. It is transmitted by intimate contact with infected blood, sexual intercourse with an infected partner, or by an infected mother to her breast-fed infant. E. Certain unusual cancers such as Kaposi's sarcoma co-occur with relatively high frequency.
A vaccine that is reconstituted should be used within ________________________
Fill in the blank(s) with correct word