Among the major classes of microbes, prokaryotes and eukaryotes are capable of self-replicating because they have cellular activity.
a. true
b. false
Ans: a. true
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The sugars in DNA and RNA ____
a. have a different number of carbon atoms
b. have the same structural formulas c. are the two components of sucrose d. are monosaccharides e. are disaccharides
PTH is necessary to produce calcitriol (activated vitamin D), which is necessary for the movement of calcium through cells. In this case, how would you characterize PTH?
A) submissive B) permissive C) synergistic D) antagonistic
Which is the correct sequence of embryonic development in eudicots?
a. globular embryo ? suspensor embryo ? proembryo ? heart stage embryo b. heart stage embryo ? globular embryo ? proembryo ? torpedo stage embryo c. torpedo stage embryo ? globular embryo ? heart stage embryo ? suspensor embryo d. proembryo ? torpedo stage embryo ? heart stage embryo ? globular embryo e. proembryo ? globular embryo ? heart stage embryo ? torpedo stage embryo
Which of the following is NOT a part of the lymphatic system?
A. Pancreas B. Bone marrow C. Tonsils D. Lymph node E. Spleen