Presentation on theme: "The Molecule of Life. Carry the instructions to build proteins Carry hereditary instructions from one generation to the next. Nucleic acids are."— Presentation transcript:
Carry the instructions to build proteins Carry hereditary instructions from one generation to the next. Nucleic acids are built from NUCLEOTIDES (simple building blocks that are found in the cytoplasm of the cell).
There are two types of nucleic acids: 1. DNA - deoxyribonucleic acid 2. RNA - ribonucleic acid One phosphate group One sugar group: DNA (deoxyribose) or RNA (ribose) One nitrogenous base
A molecule transcribed from DNA Provides a template for protein synthesis Three kinds of RNA: ◦ mRNA – communicates the amino acid sequence for protein synthesis ◦ tRNA – brings the correct amino acid to the growing polypeptide chain ◦ rRNA – the site of protein synthesis in the ribosome
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