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level: DNA

Questions and Answers List

Question	Answer
A group of DNA nucleotides that contains the information to produce a single polypeptide is a	gene
A plant species has its DNA analyzed. The results show that 28% of its nitrogen bases are guanine. What is the percent represented by thymine?	22%
Biochemist Erwin Chargaff found that in DNA there was a special relationship between individual bases that we now refer to as Chargaff's rule. His observation was that	A = T and G = C
Choose the statement that is true about DNA.	all the above
If one strand is CCAATTG on DNA, then the complementary chain is	GGTTAAC
In eukaryotes, the RNA copy of DNA that leaves the nucleus and travels to the cytoplasm to make proteins is	mRNA
Said simply, the Central Dogma of gene expression is as follows: DNA is transcribed to produce mRNA, which is translated to produce	proteins
The bases of RNA are the same as those of DNA, with the exception that RNA contains	uracil instead of thymine
The bases of the two DNA chains are linked in the middle of the molecule by ________ bonds.	hydrogen bond
The building blocks of DNA are called	nucleotides
To chemically synthesize RNA, you would need a supply of	ribose
Which polymer serves as the information storage molecule for cells?	Nucleic Acids