Proteins are composed of chains of which are joined together with peptide bonds.

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

One of the purposes of transcription is to produce a sequence of bases that

What is any method of measuring the age of an object or event in years, such as using atomic half-life?