All of the following are correct about Type O blood, except
A) Persons with this type of blood are considered universal donors.
B) Persons with this type of blood have anti-A and anti-B antibodies in their plasma.
C) This is the most common blood type among all racial groups in the U.S.
D) Persons with this type of blood carry an O antigen on their RBC.
D) Persons with this type of blood carry an O antigen on their RBC.
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Methane is an important greenhouse gas whose levels in the atmosphere are also rising. This is because:
A. methane is generated by archaeons living in the guts of cattle, and beef production is increasing. B. methane is generated by archaeons living in waterlogged rice paddies, and rice production is increasing. C. methane is released when permafrost at high latitudes melts, and more permafrost is melting. D. methane is generated by archaeons living in the guts of cattle and in rice paddies, and both beef and rice production are increasing. E. All of the above.
The uneven distribution of an impermeable solute on either side of a membrane will result in
A. an increase in oxygen deprivation. B. proton pumping. C. root pressure. D. osmosis. E. stomatal closing.
It is advantageous for cells to be small because:a
a small cell size prevents a cell from weighing too much. b. a small cell size occupies less space in nature where space is limited. c. a small cell has a small volume relative to surface area, thereby increasing efficient transport. d. a small cell has a small surface area relative to volume, thereby facilitating ion balance. e. a small cell is better able to conserve energy than a larger cel
Viruses infecting protists, including algae, have never been detected.
Answer the following statement true (T) or false (F)