Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question 1. The nitrogenous base content of a sample of DNA was found to be 34% adenine. Determine the amounts of the other three bases in this sample.
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- Question 3: Look carefully at the structures of the two molecules shown below and answer the following questions. O= ddCTP O= OH O 11 HO-P-O-P-O-P-O I OH OH NH₂ ddCMP O 11 HO-P-O OH NH₂ A) What would you expect to happen if you added ddCTP to a DNA synthesis reaction in vitro in large excess over the concentration of dCTP? B) What would happen if ddCTP were added at 10% of the concentration of dCTP? C) What effect would you expect if ddCMP were added to the synthesis in large excess over dCTP? At 10% of the concentration of dCTP?arrow_forwardQuestion 2. Bacteria are grown in a medium containing 15NH₂Cl for a number of generations so that all of the DNA is made of fully "heavy" DNA. The bacteria are moved to a new medium and grown in ¹4NH₂Cl so that all new DNA will be "light." After two generation times, what does the DNA look like? A. All of the DNA is made of 2 "light" strands. B. Half of the DNA is made of 2 "light" strands and half of the DNA is made of 1 "light" strand and 1 "heavy" strand. C. All of the DNA is made of 1 "heavy" strand and 1 "light" strand. D. Each strand is made of a mixture of "heavy" and "light" DNA, with each strand being between 75% and 100% "light". A B Multiple Choice с D Earrow_forwardQUESTION 21 Observation of purified DNA as "beads on a string" first indicated the presence of: a. supercoiling b. double helix C. nucleosomes O d. base pairingarrow_forward
- QUESTION 10 Select all of the true statements regarding the molecule below: NH, -P-O NH G OH NH, О-Р-О- H,N N- A ОН -P-O `NH U ОН 0-P-O- N' ОН ОН This is RNA This is DNA This chain is a polymer. The backbone of these nucleotides is a ribose sugar This nucleic acid is the hereditary material for humans. This nucleic acid is the hereditary material for coronaviruses. This type of nucleic acid is never found in healthy human cells. This nucleic acid contains the nucleobase thymine.arrow_forwardQuestion 4. Why is a single-stranded, circular DNA an ineffective template for DNA polymerase?arrow_forwardQUESTION 5 If you ran the amplicon from the previous question (so it's about 3.7k basepairs long), on a gel, what would you want your gel to look like after you stain it with ethidium bromide and look at it under UV, assuming you ran it next to a 1kb DNA ladder? O A. A lot of lighter bands below the 4kb band O B. A very bright band at the bottom of the gel, and a lighter band in the middle of the gel. O C.A bright smear O D. one bright band that lines up between the 3kb and 4kb ladder band. Should be above the 3kb band (closer to the wells). O E. one bright band that lines up below the 3kb ladder band (further from the wells)arrow_forward
- Question 11 1. An 9 kb circular plasmid is cut with the EcoRI restriction enzyme, and the reaction products are run on a DNA gel and stained with ethidium bromide. Bands of 1.0, 3.0 and 5.0 kb are seen. 2. When the same plasmid is cut with both the EcoRI and BamHl restriction enzymes (a double digest), bands of 1.0, 1.5, 3.0, and 3.5 kb are seen. From these results, it can be concluded tha v[ Select ] cuts within the BamHI [ Select ] v kb [Select EcoRIarrow_forwardquestion 6arrow_forwardQuestion 10 Produce the complimentary DNA strand that would be matched with the provided strand T--A C-- G C-- G A -- A -- C-- G-- T-- T-- A -- C-- G -- G--arrow_forward
- Question 9arrow_forwardDiscuss the pressures of filtration indicating the hydrostatic and colloidal osmotic pressures responsible for moving substances in or out of the glomerulus. Name each pressure and write an equation that indicates the pressures affecting glomerular filtration.arrow_forward139. Subject :- Chemistryarrow_forward
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