Which of the following statements about energy metabolism is false?
-The energy that powers living systems ultimately comes from the sun.
-All animals in some way rely on producers for their energy.
-Plants provide the water and carbon dioxide that animals need to carry out cellular respiration.
-Most eukaryotic organisms carry out cellular respiration in the presence of oxygen.
-The main objective of cellular respiration is to break down glucose and make ATP.
- Plants provide the water and carbon dioxide that animals need to carry out cellular respiration.
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Crossing over is more likely to occur between genes that are ______ on a chromosome
A. Close together B. Far apart
According to the first law of thermodynamics,
a. the energy of a system may increase if there is a corresponding decrease in energy elsewhere in the universe. b. the amount of energy in the universe is constant. c. chemical reactions do not create or destroy energy. d. energy can change from one form to another. e. all of these are true.
Who demonstrated that phage genetic material is DNA and not protein?
A. Chargaff B. Franklin C. Avery, MacLeod, and McCarty D. Hershey and Chase E. Watson and Crick
An amine hormone would possess which of the following traits? Choose all that apply
A. It would contain one aromatic amino acid. B. Its chemical structure would resemble that of cholesterol. C. It would only contain amino acid chains. D. It would be hydrophilic. E. It would be hydrophobic.