Download DNA openbook assignment

Name : _________________ ___________
Ch. 12 DNA Assignment- OB
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SHORT ANSWERS
1) Name 4 DNA bases and their shortened letter codes
___ = ____________
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___ = ____________
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2) What does DNA stand for? _____________________________
3) State two words to describe a DNA molecule shape? ___________ __________
4) In which organelle in the cell does the DNA exist? ____________________
5) DNA in human cells is wound up into 23 pairs of ____________________
6) Which of the bases in number 1 pair together? ____ / ____ and ____ / ___
7) What does RNA stand for? ___________________________
8) What DNA base is replaced in RNA (letter only) _____,
9) and with what new base? ____= ____________
10) ATC becomes what letters when DNA duplicates ? ___ ___ ___
11) ATC becomes what letters when RNA is created from DNA? ___ ___ ___
12) Which molecule may move out of the nucleus? RNA or DNA? ________
13) What is the name of the RNA that is made from DNA ? ____________________
14) What is the name of the RNA that attaches to mRNA at the ribosome?
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15) What is the function of the Ribosomes of our cells? ________________________
16) What is a codon? ___________________________________________
17) Which amino acid is produced from the codon UUG? _____________
18) What is the codon for the amino acid Trytophan? ___ ___ ___
19) Small molecules that proteins are made of are called _______________
Matching: /5
1)
2)
3)
4)
5)
___ A molecule that brings with it an amino acid
___ Connecting of Lysine,Valine+Glycine into protein
___ A negative copy of DNA is made (process)
___ The Ribosome reads the instructions (process)
___ The copy of DNA that moves to ribosome
a) tRNA
b) mRNA
c) Transcription
d) Protein synthesis
e) Translation
ORDER: Place the ‘Matching’ (#1-5) sentences above into the correct order
/1
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Written Questions:
1. In your own words, describe why DNA is helping scientists better classify
organisms:
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2. Why is there such redundancy in the genetic code?
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3. What contributions did Rosalind Franklin make to the structure of DNA? (pg 350)
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4. Extension: Write a short story or comic depicting the story of a protein molecule
from DNA to protein within the cell. Be sure to indicate where each step is taking
place within the cell.