Exam 21: Nucleic Acids and Protein Synthesis

One difference between DNA and RNA is that DNA has two strands,but RNA has only one strand.

DNA and RNA are polymers produced from monomers containing specific sugar molecules.

Which of the following represents the correct order in the flow of genetic information?

When the DNA sequence AGGCT is transcribed,the corresponding mRNA sequence,written in 5'-3' order,is _____ .

The process by which an exact copy of a DNA molecule is produced is _____ .

Viruses infect cells by

The site of protein synthesis is the ribosome.

Uracil replaces the thymine in DNA when RNA is produced.

Enzymes used in genetic engineering to cleave DNA are called _____ .

Cytosine and guanine can form two hydrogen bonds between them.