If the codon consisted of only 2 nucleotides
there would be how many possible codons?
a. 4
b. 8
c. 16
d. 32
e. 64
C
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A newly reported member of the phylum Verrucomicrobia, Acidimethylosilex fumarolicum has been found to be thermophilic, acidophilic, and photosynthetic.
Answer the following statement true (T) or false (F)
Animal cells are permeable to water and urea but NOT to sucrose. Initially, the inside of a cell contains 1 M sucrose and 1 M urea and the outside 2 M sucrose and 1 M urea. After the system reaches equilibrium, what changes are observed?
A. The molarity of urea would be higher outside than inside the cell. B. The molarity of sucrose would be similar inside and outside the cell. C. Water would move out of the cell causing the cell to shrivel. D. The molarity of urea would be higher outside the cell and the molarity of sucrose would be similar inside and outside the cell. E. The molarity of sucrose would be similar inside and outside the cell and water would move out of the cell causing the cell to shrivel.
Primate grooming and honeybee waggle-dancing share which of these forms of communication?
A. visual communication B. chemical communication C. tactile communication D. auditory communication
Myocardial infarction, also called a heart attack,
A) is caused by excessive blood pressure in the heart. B) actually causes no permanent damage to the heart. C) is unrelated to cigarette smoking. D) is the damage or death of cardiac muscle tissue.