Percentage elongation - Study guides, Class notes & Summaries
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Biology Practice Test 4|50 Questions with Verified Answers,100% CORRECT
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Biology Practice Test 4|50 Questions with Verified Answers 
 
1) Which of the following is the best modern definition of evolution? 
A) descent with modification 
B) change in the number of genes in a population over time 
C) survival of the fittest 
D) inheritance of acquired characters - CORRECT ANSWER A 
 
2) Which statement about the beak size of finches on the island of Daphne Major during prolonged drought is true? 
A) Each bird evolved a deeper, stronger beak as the drought persisted. 
B)...
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Genetics Exam 2 practice exam 107 Questions with Verified Answers,100% CORRECT
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Genetics Exam 2 practice exam 107 Questions with Verified Answers 
 
In five Hfr strains, each of which was used to build a time-of-entry map, the genes entered the recipient cells as follows: 
Strain 1: S L A C T F 
Strain 2: N P F T C A 
Strain 3: T F P N U Y 
Strain 4: S H Y U N P 
Strain 5: U N P F T C 
Which of the following represents a correct compilation of these results? 
A) S L A C T F P N H C U 
B) N P F T S L A C H U T 
C) T C A L S P N U Y H 
D) U N P F T C A L S T F 
E) S L A C T F...
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NACE CIP I EXAM Practice Questions with Verified Answers Latest Update 2023 | 2024 Graded A+
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NACE CIP I EXAM Practice Questions with Verified Answers Latest Update 2023 | 2024 Graded A+. The general rules of galvanic corrosion are: - answerThe less noble (or more reactive) metal when 
connected to a more noble (or less reactive metal) will corrode preferentially 
name at least 5 factors that affect the rate of corrosion - answertemp, humidity, chemical salts, 
oxygen, pollutants 
General Corrosion - answerUniform loss of material over an entire surface and general thinning of 
affected ...
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Dental Material Exam 1 with correct answers
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What cement is created by mixing glass powder and phosphoric acid? - answer-Silicate 
 
What concentration of orthophosphoric acid is commonly used in dentistry? - answer-37% 
 
If the etched surface becomes contaminated with saliva, what should the clinician do? - answer-Re-etch for 5 seconds 
 
Pulp protection is recommended when the remaining dentin is under ___mm - answer-2 mm 
 
Which of the following cements must be mixed on a glass slab? - answer-Zinc Phosphate 
 
What is a beneficial cha...
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Bio 181 Grand Canyon University Exam 3 with 100% complete solutions
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A frameshift mutation could result from 
E) either an insertion or a deletion of a base. 
 
 
 
Which of the following does not occur in prokaryotic eukaryotic gene expression, but does in eukaryotic gene expression? 
C) A poly-A tail is added to the 3' end of an mRNA and a cap is added to the 5' end. 
 
 
 
 
Which of the following helps to hold the DNA strands apart while they are being replicated? 
single-strand binding proteins 
 
 
 
Accuracy in the translation of mRNA into the primary st...
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Grand Canyon University Bio 181 Quiz 6 with 100% correct answers
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In his transformation experiments, what did Griffith observe? 
b. Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form. 
 
 
 
Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine? 
a. 8% 
 
 
 
 
At a specific area of a chromosome, the sequence of nucleotides below is resent where the chain opens t...
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AC-HPAT Biology Questions With 100% Correct Answers.
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AC-HPAT Biology Questions With 100% Correct Answers. 
 
Pancreas and Type 1 diabetes 
The pancreas is the organ that produces insulin, and it plays a major role in regulating blood glucose levels. Type 1 diabetes occurs when the pancreas does not make enough or any insulin. 
How does insulin work in diabetes? 
Insulin pumps are small, computerized devices that mimic the way the human pancreas works by delivering small doses of short acting insulin continuously (basal rate). The device also is us...
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NACE CIP 1 EXAM Practice Questions with Correct Answers Latest 2023 | 2024 (Graded)
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NACE CIP 1 EXAM Practice Questions with Correct Answers Latest 2023 | 2024 (Graded) 
 
Anode 
the electrode at which oxidation occurs. 
electrons flow away from the the anode in the external circuit. 
 
corrosion usually occurs and metal ions enter the solution at the anode 
cathode 
the electrode at which reduction occurs. electrons flow towards the cathode in the external ciruit 
cathodic protection 
A technique to reduce the corrosion of a metal surface by making that surface the cathode of a...
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BI 213 midterm 2 practice exam 79 Questions with Verified Answers,100% CORRECT
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BI 213 midterm 2 practice exam 79 Questions with Verified Answers 
 
What is the purpose of the TATA box found in eukaryotic promoters? 
A) It serves as a termination signal for RNA polymerase 
B) It sets the translation reading frame of the mRNA 
C) RNA polymerase II binds directly to the TATA box to initiate transcription 
 D) It binds the first Met-tRNA for translation of the mRNA 
E) It is the binding site for general transcription factors that recruit RNA polymerase - CORRECT ANSWER E 
...
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Grand Canyon University Bio 181 Quiz 6 with 100% correct answers
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In his transformation experiments, what did Griffith observe? 
b. Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form. 
 
 
 
Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine? 
a. 8% 
 
 
 
 
At a specific area of a chromosome, the sequence of nucleotides below is resent where the chain opens t...
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