Download File

Unit 4a Review Questions
Name:_____________________________ Date:_________
Block:______
What is the special name given to the shape of a DNA molecule?
How do nitrogenous bases bind to each other?
Which part of a nucleotide makes up the actual “code” that DNA is said to contain?
Who were the two men who discovered the structure of DNA?
What did Rosalind Franklin do that greatly helped the men in question 4 prove that they had discovered the structure of DNA?
pictures
At the end of DNA replication the DNA molecule contains one old strand and one new strand. This is known as what?
What biomolecule does DNA have the code to produce?
The Codons for determining amino acid order are found on ________.
Which nitrogenous base does not belong in RNA but exist in DNA?
What are the three types of RNA?
What does the “m” in mRNA stands for?
What does the “r” in rRNA stand for?
What does the “t” in tRNA stand for?
What RNA parts are present during translation?
What has the information for life?
What is a mutation?.
The sugar in DNA is known as ______________________
tRNA contains the ________________
An RNA nucleotide is made up of __________________________, phosphate, and base.
DNA is found in the_____________________________ of a cell.
Different combinations of the _________________ 4 DNA bases allow organism to be so different from each other.
_________22. tRNA transfers different __________________________ to the mRNA.
23. Diagram and label a DNA Nucleotide?
24. Pair the following DNA sequence with is complimentary base:
DNA A
G
A
C
T
C
C
DNA
25. Pair the following DNA Sequence with it complimentary RNA bases:
DNA C
A G T
T
A
A
RNA
26. a) CIRCLE the codons found in this mRNA sequence
b) determine what amino acids do each codon code for in order from Left to Right.
a) mRNA A A G U G C G A A C C U
b)Amino Acids _____________________________________
What is the name of the enzyme that “unwinds” the DNA molecule?
What is the name of the enzyme that adds complimentary nucleotides during DNA replication?
What is the name of the enzyme that adds complimentary nucleotides during RNA replication?
What are the two differences between the nucleotides found in DNA and RNA? (2pts.)
DNA nucleotides have. . .
RNA nucleotides have. . .
1.
2.
You have just analyzed the DNA of a newly discovered organism and have found that 15% of its nucleotide
bases are Adenine. What percent of this organism’s DNA is Guanine? (3pts.)