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DNA and RNA

QuestionAnswer
Who studied the DNA molecule? Rosalind Franklin
What technique did Rosalind Franklin use to study a DNA molecule? X-ray diffraction
Who developed the double-helix model of the structure of DNA? Francis Crick and James Watson
What is the shape of DNA? A ladder
What are the sides of the ladder made up of? deoxyribose and phosphates
What are the 4 kinds of Nitrogen bases? Adenine, Cytosine, Guanine, and Thymine
what are the Eukaryotic chromosomes composed of? DNA and proteins forming chromatin
What does Chromatin consists of? DNA coiled around proteins called histones
What do DNA and Histones form? Structure called a nucleosome
When the two sides of the DNA molecule unwind and separate what occurs? DNA Replication
What is the difference between DNA and RNA nitrogen bases? RNA has uracil instead of Thymine
What copies the coded message from the DNA in the nucleus? messenger RNA
What carries amino acids to the ribosomes and adds them to growing proteins? transfer RNA
What are the steps of protein synthesis? DNA, Messenger RNA,Transfer RNA, Amino Acids,Proteins
What is a mutation? any change in a gene or chromosome
When can mutations be harmful? if it reduces the organisms chance of survival and reproduction
When can mutations be helpful? if it improves and organisms chance of survival and reproduction
Created by: klreeder10
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