BIO 204 Module 4 Case Study
Which figure A or B, is of bacterial DNA? Figure A is of bacterial DNA because, there is no
formation of nucleosome and there is no interaction with the histone proteins.
Which figure, A or
...
BIO 204 Module 4 Case Study
Which figure A or B, is of bacterial DNA? Figure A is of bacterial DNA because, there is no
formation of nucleosome and there is no interaction with the histone proteins.
Which figure, A or B, is of eukaryotic DNA? Figure B is of eukaryotic DNA because, it is found
within the nucleus, and eukaryotic is organized into many chromosomes.
1. Is the structure of DNA and replication of the DNA basically the same or basically different in
bacteria and eukaryotes? Would a plant be able to replicate Bacterial DNA that was inserted
into the plant genome? There are some differences between the structure and replication of
DNA in bacteria and eukaryotes. Replication of bacterial DNA occurs in two opposite directions
at the same time, with one point of origin. Eukaryote DNA replication doesn’t start in a specified
direction and have multiple points of origin. If bacterial DNA was inserted into a plant’s genome,
it would be able to replicate it, however, it would change the plant.
2. Review the basic process of transcription in bacteria and in eukaryotes. Prepare a statement
for Mr. Rawley that addresses the basic molecular process of transcription. Note if the process
in bacteria is basically the same or basically different in eukaryotes. There are different
transcription processes for bacteria and eukaryotes, the basis process of transcription in
bacteria involves Initiation, Elongation, and Termination whereas in eukaryote it consists of RNA
polymerases, promoter sites, and Initiation of Transcription.
3. If the nucleotides in the gene were changed as indicated in the mistake sequence, what type
of mutation would this be? Explain. A mistake in sequence could cause one of five mutation
resulting in either loss of function, gain of function, frame shift mutation, point mutation, or null
mutation. A change in nucleotides in the gene would cause point mutation.
4. The DNA shown is the + strand of the double stranded DNA that makes up the crygene. What
would the mRNA sequence be when the minus strand DNA is transcribed? Give the first 33
bases. What would the amino acid sequence be when the mRNA is translated? Give the first 10
amino acids.
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