The root apical meristem is surrounded and protected by a structure called the ____
a. endodermis
b. root cap
c. quiescent center
d. pericycle
e. root hairs
ANSWER: b
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Which type of components aggregate and interact to form the epithelial, connective, muscle, and nerve tissues in the human body?
A) Prokaryotic cells B) Secondary meristems C) Differentiated cells D) Stem cells
DNA Polymerase III
A. unzips the DNA helix. B. proofreads new DNA. C. synthesizes the primer. D. joins Okazaki fragments. E. removes the primer.
In radishes, long or round are homozygous forms of an incompletely dominant gene, and oval is the phenotype of the
heterozygote. If a long radish is crossed with a round radish, give the genotypic and phenotypic ratios of the F2 generation. What will be an ideal response?
Which of the following sequences could be cut by a restriction enzyme?
A. ACAAGA B. AATTACC C. CATTAC D. ACTACT