Which vessels typically carry blood away from the heart?
A) venules B) arteries C) capillaries D) veins
Answer: B
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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
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.