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Biology 16 Online
katherine:

bio

katherine:

1 attachment
katherine:

@dude

katherine:

@pooja195

katherine:

I did the first one.

pooja195:

Which number do you need help on? Also, is this from an exam?

katherine:

No, just an assignment.

katherine:

I need help with 3- 5.

katherine:

and then after 5, there is a small page of 3 questions

katherine:

Don't worry about #2 :P

pooja195:

OK so The most common mutations occur in two ways: 1) a base substitution, in which one base is substituted for another 2) an insertion or deletion, in which a base is either incorrectly inserted or deleted from a codon. http://www.sparknotes.com/biology/molecular/geneticcode/section3.rhtml

pooja195:

In this case #1 ) a base substitution, in which one base is substituted for another Seems to be the case since the letters are being replaced

katherine:

1. is D

katherine:

We need to do 4 now.

pooja195:

That's what I'm working on.

katherine:

ohhh

pooja195:

I would assume that because AAA is our damaging mutation because it is a type of point mutation

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katherine:

that's what I put for #4

pooja195:

Ok what's next

katherine:

5

pooja195:

I'm sorry, I have no idea about #5. I would say it causes an uneven balance because now there is an extra A

katherine:

a b c or D i think

pooja195:

What do you think and why.

katherine:

Let me see

katherine:

C

katherine:

since UAG is a stop codon, see the RNA codon table in the wikipedia article for codons

katherine:

Last page:

1 attachment
pooja195:

1 attachment
pooja195:

I agree with C

pooja195:

I want you to attempt the ones on the last page. I will check it.

katherine:

ok. I say, you check?

pooja195:

Sure

katherine:

Sounds good.

katherine:

I think this is how it goes: 6. B 7.A 8.A

katherine:

for 9. It's Sickle Cell Anemia

katherine:

And for 10.. I need to explain what type of mutation it is

katherine:

I can research it and give her the website to where I found my answer.

pooja195:

6,7,8 look good to me. As for #9 you're going to need to research and write about it. You need to, in your paragraph answer all of the questions that were asked not only why is it a mutation

katherine:

I need to answer all the questions? or Do I just pick up and explain it?

katherine:

one*

pooja195:

You need to answer all of those

katherine:

Because if you read closely: In one paragraph of more, discuss the following about your mutation of choice-

katherine:

of choice

katherine:

you know what? I think you're right

pooja195:

katherine:

okay. I'm going to get started

pooja195:

That's the only way you'd be able to write the paragraph, you'd be struggling to explain why it is a mutation for a whole paragraph :P let me see it once you're done! :) Good luck!

katherine:

thank you so much!

pooja195:

You're very welcome :)

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