Where is the cell's hereditary information stored?
a. in RNA
b. in genes
c. in glucose
d. in protein
Answer: b. in genes
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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
Which of the following statements is NOT
TRUE concerning an electron that has absorbed a photon? a. It moves to a higher energy level. b. It becomes more stable. c. It quickly returns to its original energy level. d. It may emit energy. e. It becomes excited
Aside from HIV infections, the greatest number of global disease-related deaths comes from
a. diarrheas. b. various respiratory infections. c. hepatitis. d. malaria. e. tuberculosis.
A linkage map illustrates the exact physical locations of genes on a chromosome
Indicate whether the statement is true or false