Which cell is the most abundant in the human body?
a. lymphocytes
b. basophils
c. erythrocytes
d. neutrophils
e. platelets
C
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The virulence of this organism, which causes chancroid, is most likely attributed to:
a. proteases. b. capsular factors. c. hemolysins. d. catalase.
Of the cellular blood components, ____ are the smallest in size
a. erythrocytes b. leukocytes c. platelets d. albumins e. lymphocytes
Which term refers to the region of constantly dividing cells near the tips of shoots and roots?
a. lignin b. xylem c. apical meristem d. cuticle
During normal DNA replication, part of the sequence at the ends of linear chromosomes is not copied into the new
DNA strands because ____.
a. DNA ligase cannot join pieces at the end of a chromosome b. RNA primers at the beginning of a new strand cannot be replaced with DNA c. those ends are Okazaki fragments that are lost d. cells do not need the DNA at the ends of chromosomes e. the ends of chromosomes are made of protein, not DNA