In order to isolate the DNA or RNA from the cells, what would be the first step? a. to block the mucleus from digesting the nucleic acid b.To precipiate the nucleic acid  c. To break down the plasma membrane and the cell walls (plant cells) d.To remove protiens from the solutions

Use the following diagram to answer the question below. xxxxx Select one: -G---C- a. Guanine. b. Thymine. c. Adenine. d. Uracil. -X---A- In the portion of the molecule shown above, which base should be in position X? -C---G

According to the picture what is the process of DNA? Use the labeled parts in the answer.

How are nucleotides connected to each other in a single strand of DNA?   A. The nitrogenous bases and acids link the separate nucleotides into a chain.   B. The phosphate group of one nucleotide binds to the sugar on the next nucleotide.   C. The hydroxy group of one nucleotide stabilizes the phosphate group of the adjacent nucleotide.   D. The sugar of one nucleotide binds directly to the sugar of the adjacent nucleotide.

Which statment below about nucleotides is TRUE ? A. Base pairing occurs between the 5' and 3' carbons of the sugar in a nucleotide. B. A deoxynucleotide triphosphate (dNTP) becomes a DNA necleotide during polymerization  C. In a nucleotide, the base is either deoxyribose (in DNA) or ribose (in RNA) D. A nucleotide is composed of two nitrogenous bases, a sugar and a phosphate group.

What kind of RNA could have the same effect as the methylation?   A. rRNA   B. tRNA   C. mRNA   D. siRNA

Within the Central Dogma, what is the primary function of DNA?   a. make proteins   b. preserve nuclear integrity   c. maintain the genetic information   d. keep a boundary between RNA and Protein

Why do DNA and RNA move toward the positive electrode in electrophoresis?   A. The phosphate groups in DNA and RNA are positively charged.    B. The phosphate groups in DNA and RNA are negatively charged.      C. The nucleotide bases in DNA and RNA are positively charged.      D. The nucleotide bases in DNA and RNA are negatively charged.

Which of the following nucleic acids is a component of ribosomes?   a.DNA   b.Transfer RNA   c.Ribosomal RNA   d.Messenger RNA

Where does the transcription of DNA into mRNA occur in eukaryotes?   a.tRNA b.Nucleus c.Cytoplasm d.Ribosomes