What type of bonds hold nitrogenous bases from complementary strands together?
a. ionic bonds
b. polar covalent bonds
c. non-polar covalent bonds
d. hydrogen bonds
d. hydrogen bonds
Biology & Microbiology
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Will our modern forests eventually become coal? What will be an ideal response?
Biology & Microbiology
Most fluid that enters the digestive system is absorbed through the ____
a. stomach b. pancreas c. small intestine d. lymph vascular system e. large intestine
Biology & Microbiology
Which of the following is not associated with mRNA processing in eukaryotes?
A) addition of a 5' methyl guanosine cap B) 3' polyadenylation C) removal of introns D) removal of exons E) removal of exons and introns
Biology & Microbiology
The level of the oceans is rising due to expansion of water volume stemming from ____.
A. ozone depletion B. global warming C. lost species biodiversity D. increased precipitation E. acid rain
Biology & Microbiology