DNA Structure
Discovery
RNA
Protein Synthesis
DNA General
100
DNA is made of subunits called...
nucleotides
100
True of False: A woman scientist got all the credit for discovering DNA
False
100
What does mRNA stand for
messenger RNA
100
What does a gene have instructions for making?
protein
100
Thymine always pairs with..
adenine
200
What letters represent the four bases in DNA?
A, T, G, C
200
Who built a model like a long twisted ladder?
Watson and Crick
200
What is the base found in RNA but not in DNA
Uracil
200
What reads the code on mRNA?
a ribosome
200
About how much DNA is packaged tightly in each cell?
2 meters
300
the middle part of the DNA molecule is made of...
nitrogenous bases
300
What scientist made images of DNA by using X-Ray diffraction?
Rosalind Franklin
300
mRNA is fed through the ribosome and matched with...
tRNA
300
mRNA is read in groups of three bases called...
codon
300
What is the complementary strand of DNA for TTAGGCAGC
AATCCGTCG
400
the sides of the DNA ladder are made of...
sugar and phosphate
400
Who found out that adenine equals thymine in DNA?
Erwin Chargaff
400
What does tRNA do?
Transfer amino acids to make a protein
400
Where does protein synthesis occur?
cytoplasm
400
What are the two parts of a chromosome?
DNA and proteins
500
What about the structure of DNA helps it replicate?
Complimentary base pairing
500
Why was it important that the amount of Adenine was equal to the amount of Thymine and the amount of Guanine was equal to the amount of Cytosine
the always pair up, that's how they discovered the structure
500
What are three differences between DNA and RNA
Ribose sugar, single stranded, and U instead of T
500
What is the first step in making a protein
An RNA copy is made of one side of DNA
500
What is a change in the base sequence of a gene or DNA
Mutation
M
e
n
u