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Thursday April 19, 2012

Thursday April 19, 2012. (TAKS Rotation Day 12 – Biology). Bell Ringer Thursday, 4-19-12. No Bell Ringers this week!. Please pick up your TAKS Packet on the way in. Announcements. I will not be available this afternoon after school. Lab 6C – Protein Synthesis.

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Thursday April 19, 2012

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  1. ThursdayApril 19, 2012 (TAKS Rotation Day 12 – Biology)

  2. Bell RingerThursday, 4-19-12 No Bell Ringers this week! Please pick up your TAKS Packet on the way in.

  3. Announcements • I will not be available this afternoon after school.

  4. Lab 6C – Protein Synthesis Question 2 – replication happens in the nucleus • Question 3 – transcription happens in the nucleus • Question 4 – DNA contains deoxyribose sugar, has the nucleotide base thymine, is double stranded, and contains the life “code.” • RNA contains ribose sugar, has the nucleotide base uracil, is single stranded, and reads the DNA code. • Both DNA and RNA are nucleic acids, have the nucleotide bases adenine, guanine, and cytosine, and both are synthesized in the nucleus of a cell. • Things You Need to Remember • Amino acids are the building blocks of proteins. • A mutation is a change in DNA. • If you create a mutation in the DNA sequence by changing ATG to ATT, you will change the mRNA codon, which will change the amino acid. The result will be a STOP codon inserted after methionine. Consequently, the protein will be incomplete and work improperly, if at all.

  5. Instructions for the Day If you were not in class yesterday, please go to table J, K or L and do labs 12A and 12C. If you need to complete the labs we did on Monday and Tuesday, they are on tables G, H, and I Then do the exercise listed below. If you were here yesterday, please go to the listed website and take as many of the following practice TAKS quizzes as time allows. Quizzes on Chapters 1, 2, 4, 7, 12, 34, 40 Submit them to my email address – glcline@irvingisd.net The website is: • http://www.phschool.com/curriculum_support/taks/science/phbio.html

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