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BIO120H1 Lecture Notes - Paper Clip, Craig Venter, Metabolome

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lemongnu935
2 Feb 2013
School
UTSG
Department
Biology
Course
BIO120H1
Professor
Jennifer Harris

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BIO120H1 Full Course Notes
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BIO120H1 Full Course Notes
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Document Summary

That dna in the background of doing its job as template to make. Rna is actually being replicated & associated with that replication is going to be some sort of organization with the dna how the genome is organized (all the genes in your body). Associated with that & the process that is going to be necessary in order to get that dna to actually make that rna, there is going to have to be some regulation there. When we arrive at that regulation, going to generate not just all rna molecules but a subset of them & that"s known as the transciptome. The process of translation itself is going to be regulated to give rise again to subset of molecules/proteins known as proteome. There is going to be cross-talk & inter-regulation b/w all of these central dogma looks very complex now better reflection of the amazing things that are going on in our cells.

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Related Questions

For my biology class we were given scenarios to adress and oneof the ones I picked was " DNA is translated into proteinwithout going through an RNA intermediate"

I'm suppose to come up with aparagraph and talk about how this would change the biology withinour bodies and some of the suggested topics to adress were Energy,DNA, Metabolism, Proteins, and Regulation. I don't have to give arespose to all.

This one I am having a difficult time coming up with answers. Iknow the RNA intermediate here would be the mRNA and i've come upwith some ideas that making a protein would be faster if skippedpassed the mRNA proccess and tRNA transfer. Also i've predicted ahigher risk of mutations becase mRNA would not be there to correctthem.

This is all I have so far.

1. Unlike DNA, RNA contains

deoxyribose

a double strand

phosphates

uracil

Nucleic acid structure

2. In transcription, uracil will bond with:

thymine

cytosine

adenine

guanine

Transcription

3. The first team of scientist to document the structure of DNA was:

Franklin and Wilkins

Watson and Crick

Pauling and Chargoff

None of the above

DNA structure

4. Organelles that synthesize protein are:

lysosomes

ribosomes

endoplasmic reticulum

golgi bodies

5. Most of the time in a cell's life, it's DNA is in the form of:

Chromatin

Chromatids

Replicated chromosomes

Spindle fibers

6. Uracil is a nitrogen base that pairs with adenine. Using this information, one could conclude that uracil is a:

Purine

Pyrimidine

Neither a purine or pyrimidine

Not enough information

7. a nucleotide does not consist of a:

polymerase

5-carbon sugar

phosphate group

nitrogen base

8. The genetic code in DNA of an individual depends on the sequence (order) of:

nucleotides

purines only

phosphates

sugars

9. Before a cell divides, it must duplicate its DNA in a process known as:

translation

transformation

transcription

replication

10. The basic unit (building block) of a protein is a (an):

carbohydrate

amino acid

lipid

hydrogen bond

11. Unlike DNA, RNA contains:

deoxyribose

a double strand

phosphates

uracil

12. The structure of DNA was first documented in:

1945

1953

1956

1962

13. In DNA replication, the new molecules produced are:

of unequal length

both assembled in the same direction

built with purines as the backbone

assembled in opposite directions

DNA replication

14. The "backbone" of DNA is composed of:

ribose and phosphates

deoxyribose and phosphates

ribose and uracil

deoxyribose and thymine

DNA structure

15. RNA differs from DNA in which of the following ways?

RNA is single-stranded

RNA contains ribose

RNA does not contain thymine

All of the above

DNA structure

16. Which of the following is NOT required for the transcription process itself?

RNA polymerase

DNA

uracil-containing nucleotides

ribosomes

DNA Structure and Function LabReport

  1. DNA Structure
  2. Which two scientists are credited with discovering DNA?
  1. Name the nitrogen bases that are purines.
  1. Which nitrogen base pairs with thymine?
  1. List the three components of a nucleotide.
  1. DNA Replication
  2. What is the purpose of DNA replication?
  1. How many times does replication occur in the life of acell?
  1. In the Lab, Exercise 2, the original strand on the left had thebases shown below. Input the new bases that correctly pair with theoriginal strand.

Original

New

C

A

G

T
  1. RNA Structure
  1. Describe the structure and function of RNA.
  1. Refer to Exercise 3 and record the bases of the RNA strandproduced from the replicated DNA strand.

DNA

RNA

C

A

G

T

  1. Record the differences between DNA and RNA in the tablebelow.

DNA

RNA

Sugars

Bases

Strands

  1. RNA Synthesis

  1. The process of assembling RNA is called _________.
  1. How is replication different from transcription?
  1. Refer to Exercise 4. Write the letters for the base sequence ofmRNA in the spaces below DNA. Note that the order is reversed;start with the 3’ end of the DNA strand and the 5’ end of the mRNAstrand. Transcription is DNA to mRNA. Note RNA contains Uracilinstead of Thymine; There is no thymine in RNA.

DNA

3’

C

G

T

C

G

T

C

C

A

A

T

T

5’

mRNA

5’

3’

  1. Protein Synthesis

  1. What type of RNA provides amino acids to build polypeptidechains?

  1. If a mRNA strand has the bases 5’ CUC 3’, what amino acid willbe translated? Refer to the printable chart in Exercise 5.

  1. Where in the cell does translation occur?
  1. Genes

  1. What could be the problem if there is a change in the basesequence of a gene as it is passed down to the offspring?
  1. Give an example of a disorder that results from changes in theamino acid sequence.
  1. What causes sickle cell anemia?
  1. Gene Cloning
  1. What is the function of a plasmid?
  1. Print the document from Lab, Exercise 6. Complete the activityalong with the video demonstration. Sign, date, and take an imageof your final product and include with this lab report.