Difference between revisions of "Week 2"

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(Initial transcription of assignment week 2. Templates still needed.)
 
(Reflect: Tweak reflection questions.)
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=== Reflect ===
 
=== Reflect ===
  
''After'' completing the readings, answer the following questions:
+
==== Readings ====
# What was the purpose of these readings?
+
# What is the biggest discovery that I made from these readings?
# What did I learn from these readings?
+
# What part of the readings did I understand the least?
# What did I not understand (yet) about the readings?
+
 
# How was the genetic code solved experimentally?
 
# How was the genetic code solved experimentally?
 
# What is the relationship between the genetic code and a computer code?
 
# What is the relationship between the genetic code and a computer code?
  
''Before'' completing the [[#Where’s Your Stuff?|Where’s Your Stuff?]] activities below, answer the following questions:
+
==== [[#Where’s Your Stuff?|Where’s Your Stuff?]] ====
 
# How easily can you find “your stuff” on your computer?
 
# How easily can you find “your stuff” on your computer?
# When you double-click on icons on your computer, how sure are you about whether the icon that you double-clicked on is a program, a web site, or a file?
+
# When you double-click on icons on your computer, how do you know that icon is a program, a website, or a file?
 
# Have you double-clicked on a file to have an unexpected program come up?  And if so, have you been able to figure out how to open that file in the right program?
 
# Have you double-clicked on a file to have an unexpected program come up?  And if so, have you been able to figure out how to open that file in the right program?
 
''After'' completing the [[#Where’s Your Stuff?|Where’s Your Stuff?]] activities below, answer the following questions:
 
# Did your results exactly match what the exercise predicted?  If not, what was different?
 
# Do you feel that file extensions are a good solution to telling the computer what a file contains?  If not, what problems do you see?
 
# Regardless about how you answered the previous question, can you think of other ways that might help a computer keep track of what’s in a file?
 
  
 
{{Individual Journal Instructions|week=2}}
 
{{Individual Journal Instructions|week=2}}

Revision as of 18:03, 25 June 2013

This journal entry is due on Friday, September 6, at midnight PDT. (Friday night/Saturday morning)

Contents

Shared Journal Assignment

  • Store your journal entry in the shared Class Journal Week 2 page. If this page does not exist yet, go ahead and create it (congratulations on getting in first :) )
  • Link to your journal entry from your user page.
  • Link back from the journal entry to your user page.
    • NOTE: you can easily fulfill the links part of these instructions by adding them to your template and using the template on your user page.
  • Sign your portion of the journal with the standard wiki signature shortcut (~~~~).
  • Add the "Journal Entry" and "Shared" categories to the end of the wiki page (if someone has not already done so).

Read

Reflect

Readings

  1. What is the biggest discovery that I made from these readings?
  2. What part of the readings did I understand the least?
  3. How was the genetic code solved experimentally?
  4. What is the relationship between the genetic code and a computer code?

Where’s Your Stuff?

  1. How easily can you find “your stuff” on your computer?
  2. When you double-click on icons on your computer, how do you know that icon is a program, a website, or a file?
  3. Have you double-clicked on a file to have an unexpected program come up? And if so, have you been able to figure out how to open that file in the right program?

Individual Journal Assignment

  • Store this journal entry as "username Week 2" (i.e., this is the text to place between the square brackets when you link to this page).
  • Link from your user page to this Assignment page.
  • Link to your journal entry from your user page.
  • Link back from your journal entry to your user page.
  • Don't forget to add the "Journal Entry" category to the end of your wiki page.
    • Note: you can easily fulfill all of these links by adding them to your template and then using your template on your journal entry.

The Genetic Code

  • Write out the complementary strand of DNA below the strand shown and be sure to label the 5’ and 3’ ends of the complementary strand.
5’-cgtatgctaataccatgttccgcgtataacccagccgccagttccgctggcggcatttta-3’
  • There are six possible reading frames in double-stranded DNA. Using the genetic code, translate all possible reading frames of this DNA sequence, keeping in mind the following rules.
    • In RNA, the T becomes a U, so everywhere you see a T in the sequence, read it as a U.
    • The genetic code is read in the 5’ to 3’ direction.
    • Use the single-letter abbreviations for the amino acids because that is what is commonly used by computer programs.
  • Wiki Hint: if you start your line with a single space character, it will appear in the grey box surrounded by the dashed line as shown above.

File:20090908 GeneticCode.jpg

Where’s Your Stuff?

  • Open a text editor (Notepad on Windows, TextEdit on Macs, gedit on Linux, to name a few) and create a file that contains the following text, verbatim (copy-paste suggested):
 <!doctype html>
 <html>
   <head>
     <meta charset="UTF-8" />
     <title>Hello</title>
   </head>
   <body>
     <h1>Hello File!</h1>
     <p>This is a text file that contains HTML.</p>
   </body>
 </html>
  • Save this file as a text file (.txt extension). If you see any options or controls pertaining to “rich text” or “HTML,” make sure to disable them. Double-click on your newly-saved file; the text editor should have opened it.
  • Change this file’s extension to .html — remember that the computer may protest, since it is trying to protect novice users from making a mistake. Insist that you know what you’re doing. Take note of the icon after renaming the file — did it change?
  • Double-click on the renamed file; a web browser should open it now, and instead of code, you should see a very simple web page.
  • Write a short report on how this exercise went for you in your individual journal page.
  • Answer the “after” reflection questions above.
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