Peq - Study guides, Class notes & Summaries
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LS7C week 8 PEQ Questions And Answers | 2024 Latest Study Solutions
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/brainhoney/Resource/9529883,8,0,44,30,2/Assets/JT/LS%207C/S 
The three DNA fragments above are about to be sequenced. What is the nucleotide sequence that will 
be recorded from this synthesis reaction for the bottom (3rd) DNA fragment? 
a) 5'-CCGGGATCAGGACGCCATT-3' 
b) 5'-CCGGGCAATAGTCACCATT-3' 
c) 5'-AATGGCGTCCTGATCCCGG-3' 
d) 5'-AATGGTGACTATTGCCCGG-3' - Answer-c 
/brainhoney/Resource/9529883,8,0,44,30,2/Assets/JT/LS%207C/Sequencing%20raw% 
How many different sequences are represented...
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Week 7 PEQ Questions And Answers With Verified Study Solutions
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A eukaryotic gene is most likely to be transcribed if it is located where? 
In a region of the genome in which the histones are methylated 
In a heterochromatic region of teh genome 
In a region of the genome in which the histones are acetylated 
In a region of the genome in which the histones are unmodified - Answer-In a region of the genome in 
which the histones are acetylated 
A mutant strain of E. coli is found that produces both β-galactosidase and permease constitutively. What 
are the M...
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Fixed Bed Adsorption PEQ Questions And Answers Graded A+
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Activated carbon used - Calgon CPL 
Adsorbents and examples - mass separating agents 
ex: molecular sieve zeolites, activated alumina, silica gel, activated carbon 
Adsorption breakthrough curve - Instantaneous step change in outlet concentration from pure He 
to feed conc of CO2 
Appears as S shaped curve due to mass and heat transfer effects and other non-ideal behaviors 
Characteristic velocity - velocity each concentration moves at according to equilibrium theory 
Concentration and velocity ...
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PEQ Week 4 Test questions with 100% Correct Answers
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PEQ Week 4 Test questions with 100% Correct 
Answers 
[Questions 1 and 2] You are working with a population of snails. During the mating season, you 
observe that individuals in the population will only mate with others of the same genotype (for 
example, Mm individuals will only mate with Mm individuals). There are only two alleles at this 
locus (M is dominant; m is recessive); you have determined that the frequency of the M allele = 
0.5 and that selection acts against heterozygous individual...
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Week 4 PEQ Questions And Answers
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[Questions 1 and 2] You are working with a population of snails. During the mating season, you observe 
that individuals in the population will only mate with others of the same genotype (for example, Mm 
individuals will only mate with Mm individuals). There are only two alleles at this locus (M is dominant; 
m is recessive); you have determined that the frequency of the M allele = 0.5 and that selection acts 
against heterozygous individuals. Assume the first generation of this population was ...
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Biology PEQ Questions And Answers Graded A+
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Describe how an enzyme breaks down a substrate - Answer-Substrate shape is complimentary to active 
site shape 
Substrate binds to active site 
Induced fit and straining of bonds forms an enzyme substrate complex 
Products leave active site 
Describe how to do the emulsion test for lipids and how a positive result would be identified - AnswerAdd ethanol 
Solution turns cloudy 
Describe the formation of a hydrogen bonds between two molecules of water. Explain why water can 
form these bonds - Ans...
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Week 5 PEQ Questions With Correct Answers
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A large population of mice (2000 individuals) lived in an area in the desert dominated by small shrubs. 
When the population size got too high, a small group of 6 individuals left and colonized an area adjacent 
to the original population's home, but the adjacent area was primarily dominated by trees instead of 
shrubs. There is no gene flow between the dispersers and the original population. A researcher 
sequenced the genomes of representative individuals from both populations and found subst...
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PEQ Fixed Bed Adsorption Test questions with 100% Correct Answers
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Fixed bed adsorption - utilizes a solid mass separating agent packed inside a column to 
separate in a gas or liquid stream 
Adsorbents and examples - mass separating agents 
ex: molecular sieve zeolites, activated alumina, silica gel, activated carbon 
What is adsorbed? - CO2
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LIFSCI 7C XL - PEQ Week 1 Questions And Answers
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((Given image)) A stem cell is fate determined once it has received the Self Renewal signal. As result, 
which genes are newly expressed? (Check all that apply) - -ID genes 
-DIV genes 
-DET genes 
((Given)) 
Shown here are four ligands (M, H, K, and L) and their corresponding receptors along with three genes 
(U, V, and W) whose activity the receptor controls through signal transduction. The arrows indicate gene 
activation, the T-bars indicate gene repression. 
If either U or V is required to ...
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PEQ LS7B WEEK 1 Exam questions with 100% Correct Answers
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In the F2 generation of a homozygous round (AA) × homozygous wrinkled (aa) cross in peas, 
three seeds are chosen at random. What is the probability that two seeds are round and the 
other is wrinkled? 
A) (1/4)3 
B) 3(1/4)(3/4)2 
C) 3(1/4)2(3/4) 
D) (3/4)3 - B
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