The figure above has a line drawn to
a. the eyes.
b. insects.
c. the maxilla.
d. the protozoan head.
e. none of these.
Answer: c
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Phagocytosis is a process in which a cell
A. takes in foreign particles and destroys them. B. creates molecules and then excretes them. C. lyses itself. D. merges with another cell forming antibodies. E. adheres to another cell.
Long noncoding RNAs ____
a. are transcribed by RNA polymerase I rather than by RNA polymerase II b. do not have their introns removed c. are missing a 5¢ cap and 3¢ poly(A) tail d. may regulate the expression of protein-coding genes e. encode large proteins
People who have type AB blood are considered ________ because they ________
A) universalists : cannot receive blood transfusions B) universal donors : have antibodies to A and B C) universal recipients : have antibodies to A and B D) universal donors : have no antibodies to A and B E) universal recipients : have no antibodies to A or B
Red blood cells are capable of transporting
A. carbon dioxide only. B. nutrients. C. oxygen and carbon dioxide. D. oxygen only.