Arrangement of nucleotides in DNA can be seen using which of the following instruments?a) Electron microscopeb) Light microscopec) X-Ray crystallographyd) Ultracentrifuge

X-Ray crystallography is a powerful technique used to determine the three-dimensional structure of…

Answered: Arrangement of nucleotides in DNA can…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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11) You can increase the microscope ability to enlarge a specimen by: a) increasing the refractive index b) decreasing the refractive index c) decreasing  d) increasing  e) a & c12) The two tetrapeptides that form the cross linking between the peptidoglycan layers are linked by: a) phosphodiester bond b) pentapeptide c) a side chain tetrapeptide d) either bond e) b & d13) A large cluster (more than 8) of bacillus bacteria is called: a) coccus b) streptococcus c) staphylococcus d) octa bacillus e) none of the above
In standard agarose gels used for the analysis of DNA, linear DNA fragments are separated on the basis of their... a) Size b) Charge c) Buoyancy d) Color e) Smell
Which of the following technique is used for the amplification of DNA fragments?a) AFLPb) RFLPc) RAPDd) SSLP
Electrophoresis helps to separatea) DNA segmentsb) Cells from DNAc) Tissuesd) RNA from DNA
The SDS-PAGE gel matrix used to separate proteins by electrophoresis is composed of: A) Nitrocellulose B) Polyacrylamide C) Agarose
a laboratory scientist isolates nucleic acids from samples of rough endoplasmic reticulum. which of the following neucleotides is LEAST likely to be found in the sample? A) ThymineB) GuanineC) AdenineD) Cytosine
25) Identify the most correct choice: a) ribosomes are the membrane bound organelles responsible for making proteins from RNAs. b) In gene therapy, Agrobacterium is the bacteria that transfers genetic material into the human cells that contain the mutated gene. c) spectrophotometer analysis can be used to detect the concentration of the dead cells in a solution only and not those that are living. d) None of the above.
You wish to identify the presence of a specific protein inside the cell. What microscopy technique should you use? a) Transmission electron microscopy b) Light microscopy Oc) Scanning electron microscopy d) Fluorescent microscopy e) None of the above
After running our protein samples on an SDS-PAGE gel, we will use a Coomassie-based dye (Gel Code Blue) to stain the gel. Based on your prior experience with Coomassie dye and understanding of its function, what do you predict this dye to be able to stain? A) Only protein tags B) Only DHFR protein C) Only recombinant proteins D) All proteins
18. Hershey and Chase used radiolabeled macromolecules to identify the material that contains heritable information. What isotopes were used to track protein and DNA, respectively, during this experiment? A) H and 1N B) 14C and H C) ais and 32P D) "P and 35s E) None of the above
5) The nucleotides in the backbone of DNA are held together by bonds. A) hydrogen B) peptide C) phosphodiester D) glycosidic E) ionic 4) The bonds that link the base pairs in the DNA double helix are A) ionic bonds. B) peptide bonds. C) hydrogen bonds. D) hydrophobic bonds. E) ester bonds. 3) The base sequence of the strand of DNA complementary to the segment 5' T-G-G-C-A-A-C 3' is A) 3' T-G-G-C-A-A-C 5'. B) 3' A-C-C-G-T-T-G 5'. C) 3' A-C-C-G-U-U-G 5'. D) 3' U-C-C-G-T-T-G 5'. E) 3' A-C-G-C-T-U-G 5'.
Compare the process of Replication, Transcription, and Translation by describing the following properties for each: (circle, highlight, bold or whatever mechanism you want to use to indicate your answer)

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Arrangement of nucleotides in DNA can be seen using which of the following instruments? a) Electron microscope b) Light microscope c) X-Ray crystallography d) Ultracentrifuge