Which of the following statements regarding nucleotides is false?
A) Nucleotides contain lipids.
B) Nucleotides contain sugar molecules.
C) Nucleotides can be linked together to form nucleic acids.
D) Nucleotides contain nitrogenous bases.
Answer: A
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Molecules of extrachromosomal DNA are also known as:
A) Golgi bodies. B) lysosomes. C) plasmids. D) plastids.
Hershey and Chase tagged the DNA of viruses with radioactive phosphorus, and their protein coats with radioactive sulfur. When the viruses were allowed to infect bacteria, what did the viruses transfer to the bacteria?
A. radioactive phosphorus B. neither radioactive phosphorus nor sulfur C. radioactive phosphorus and sulfur D. radioactive sulfur
Given that the Predator-Prey II model combines aspects of the Population Growth model and the Predator-Prey I model, what is causing the fluctuations and what causes the populations to eventually stabilize at zero population growth?
a. Fluctuations are caused by a population seeking its carrying capacity, while stability is caused by species interactions b. Fluctuations are caused by species interactions, while stability is apparently due to the carrying capacity of each species. c. Species interactions are the cause of both fluctuations and stabilization. d. Carrying capacity is the predominant force in both cases.
____ is a main function of adipose tissue
a. Energy utilization b. Physical support of organs c. Structural integrity d. Insulation e. Hormone storage