Searching for Chemical Hereditary Flashcards
What was accepted by biologists in the EARLY 1940’s?
Biologists began to accept the hypothesis that genetic material was found WITHIN chromosomes.
What is a Chromosome?
A long thread of genetic material found in the nucleus of cells.
What are chromosomes composed of?
Relatively equal amounts of proteins and nuclei acids
What is the basic unit of a nuclei acid?
A nucleotide
What is a basic unit of a protein?
Amino acid
What is the ratio of the two basic units?
3 nucleotides make up 1 amino acid.
What is a nucleotide composed of?
Phosphate, sugar molecules, nitrogenous bases
4 Types of nitrogenous bases?
Adenine, Cytosine, Thymine, Guanine
What is RNA and DNA composed of?
DNA and RNA are composed of nuclei acids