The very first genome sequenced was from:
A. a eukaryotic organism.
B. a bacterium.
C. an archaeal cell.
D. yeast.
E. a virus.
E
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Use the following information to answer the following question(s): You wake up one morning feeling slightly under the weather. A close family member enthusiastically suggests that you take some Echinacea, an herb commonly used as a cold remedy. You then decide to design an experiment to test Echinacea and see if this claim is true. You think, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms."If you give 100 sick people tablets similar to Echinacea but with no herb (called a placebo), and do not tell them whether they are receiving the placebo or the Echinacea tablet, what kind of control would this be?
A. A positive control, since you are expecting a change to happen in this control group B. A blind control, since the sick people do not know whether they are receiving the placebo or the Echinacea C. A negative control, since you are expecting no change to happen in this control group D. Both B and C are correct
Peter Sheldon found that the number of “ribs” in which of the following groups changed over a 3
million year period with no evidence of speciation?
a. horses d. humans b. trilobites e. octoprocts c. insects
In photosynthesis, the chemiosmotic production of ATP
A) requires oxygen. B) is similar to the production of ATP in mitochondria. C) is done by the Calvin cycle. D) is a result of the oxidation of glucose.
The nuclear envelope reforms during
a. anaphase. b. metaphase. c. interphase. d. prophase. e. telophase.