Nucleic acids, proteins, and complex carbohydrates are all produced by
A) hydrolytic reactions.
B) dehydration synthesis.
C) exchange reactions.
D) hydrogen bonding.
E) catabolic reactions.
B
Bloom's Taxonomy: Application
Section: Organic Macromolecules
Learning Outcome: 2.14, 2.27
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_______ is a drug that is used to experimentally produce polyploidy in organisms
A. Penicillin B. Colchicine C. Polymosca D. Karyocine
Which of the following is NOT a principle used when analyzing cladograms?
A. All species, or higher taxa, are placed on tips in a phylogenetic tree. B. All species, or higher taxa, are placed on nodes in a phylogenetic tree. C. Each cladogram branch point should have one or more shared derived characters that are common to all species above the branch point, unless the character is later modified. D. All shared derived characters appear together only once in a cladogram unless they arose independently during evolution more than once. E. All species, or higher taxa, are placed on tips in a phylogenetic tree and all shared derived characters appear together only once in a cladogram unless they arose independently during evolution more than once.
While shopping at your local drugstore, you stop at the blood pressure machine. It measures your blood pressure as 115/75 (good—that's healthy!). This number means that
A. arterial pressure is 115 mm Hg when the ventricles contract and 75 mm Hg in between ventricular contractions. B. arterial pressure is 75 mm Hg when the ventricles contract and 115 mm Hg in between ventricular contractions. C. arterial pressure is 115 mm Hg when the atria contract and 75 mm Hg in between atrial contractions. D. your sinoatrial node generates a 115 mV signal and your atrioventricular node generates a 75 mV signal. E. your sinoatrial node generates a 75 mV signal and your atrioventricular node amplifies this to a 75 mV signal.
What is the distribution of phenotypes from a cross of purple tall pea plants that are heterozygous for flower color and plant height? (Purple is dominant to white; tall is dominant to dwarf.)
A. 63 purple tall; 28 purple tall; 27 white dwarf; 7 white dwarf B. 132 purple tall; 138 white dwarf C. 54 purple tall; 6 white dwarf D. 100% purple tall E. 27 purple dwarf; 28 purple tall; 31 white dwarf; 29 white tall