Which of the following is not true:
a) The flow of genetic information in a cell is RNA to DNA to Protein.
b) A mutation is any change in the nucleotide sequence of DNA.
c) Mutations may result from errors in DNA replication.
d) Mutations may result from physical or chemical agents called mutagens.
Ans: a) The flow of genetic information in a cell is RNA to DNA to Protein.
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All of the following will help slow the rate of increase of atmospheric CO2 except:
A. All of the answer options will help slow the rate of increase of atmospheric CO2. B. using solar power instead of fossil fuels to help conserve finite natural resources. C. using nuclear power to reduce the cost of energy production. D. driving more fuel-efficient cars. E. turning off the light in an empty room.
Referring to the diagram, what type of immune condition would this be?
a. delayed hypersensitivity
b. autoimmune disorder
c. immediate hypersensitivity
d. acquired immunodeficiency
In the time span of 10 years every cell in your adult body goes through the cell cycle
a. true b. false
The 'Electron Transport Chain', if present in bacteria, it will be found in the
A. cell cytoplasm B. cytoplasmic membrane C. cell wall D. mitochondriea E. ribosomes