Isolation of dna - Study guides, Class notes & Summaries
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BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+)
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BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+) When was earth formed? - correct answer 4.55 billion years ago 
When did life on earth first appear? - correct answer 3.5 billion years ago 
What are the evolutionary mechanisms? - correct answer *Nonrandom mating 
*Migration 
*Genetic drift 
*Natural selection 
When does allopatric speciation occur? - correct answer when members of the same species become 
geographically separated 
When does sympatric speciation oc...
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MCAT entrance exam all subjects combined questions & answers latest update
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m 
 
 
 
 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A.	Antibody/protein hybridization	B. DNA/RNA combination	C. RNA ...
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AAB Molecular Review questions and answrs(latest update)
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What are the the 2 recommended anticoagulants for Plasma or Bone Marrow Aspirate Samples 
EDTA and ACD 
 
 
 
Why is EDTA one of the recommended coagulants for Plasma or Bone marrow aspirate samples 
1)A chelating (binding) agent for divalent cations such as Mg++ or Ca++ 
2)Helps deactivate metal-dependent enzymes 
3)Suppresses damage to DNA and proteins by deoxyribonucleases 
4)Allows DNA to remain in native state and large molecular size before extraction 
 
 
 
What does EDTA stand for? 
ethy...
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BIOL 112 FINAL EXAM REVIEW WITH COMPLETE SOLUTIONS
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Darwin’s theory of evolution is a strong theory, but at the time of proposing the theory, 
some aspects were yet to be explained. Which of the following things below did Darwin 
understand and incorporate into his theory? 
a. That inherited variations could increase an organism's ability to survive and reproduce 
b. How chromosomes were inherited 
c. That genetic mutation could be responsible for making new alleles 
d. That genes were the templates for making proteins 
a. That inherited varia...
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NIU Bios 209 Final Exam-King Questions with Verified Solutions
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NIU Bios 209 Final Exam-King Questions 
 
with Verified Solutions 
 
**Biology and Ecology** 
 
What term describes the characteristics of a system that arise from the interactions among its 
components, but cannot be predicted by studying the components in isolation? 
 
 Emergent properties. 
 
What is a continuous piece of DNA within a cell called, which can exist as a line or loop/circle? 
 
A. Mitochondrial DNA 
B. Chromosome 
C. Nucleotide 
 
D. Gene 
E. DNA helix 
 
 B. Chromosome 
 
Defin...
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MB (ASCP) 2020(updated) correctly answered
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MB (ASCP) 2020(updated) correctly answeredConsider the table below where a child and a possible father (PF) share the listed paternity indices for each locus listed (LOC-A1, LOC-B2, LOC-C3, LOC-D4). 
 
Locus Tested PF Child Paternity Index 
LOC-A1 3 2/3 2.18 
LOC-B2 7/5 5 0.798 
LOC-C3 15/17 9/17 5.21 
LOC-D4 12 12 1.37 
 
Based on the data presented in the table, what is the combined paternity index, CPI, from the loci tested: LOC-A1, LOC-B2, LOC-C3 and LOC-D4? 
12.42 
9.558 
15.56 
2.38 
12.42...
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+ | Verified Answers.
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+ | Verified Answers. What are the properties of life? - correct answer *Cells and organization 
*Energy use and metabolism 
*Environmental response 
*Regulation and homeostasis 
*Growth and development 
*Reproduction 
*Biological evolution 
When was earth formed? - correct answer 4.55 billion years ago 
When did life on earth first appear? - correct answer 3.5 billion years ago 
What are the evolutionary mechanisms? - corre...
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MD Exam 2 Test Questions With Revised Correct Answers <Guarantee Pass>
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MD Exam 2 
Test Questions With Revised 
Correct Answers 
<Guarantee Pass> 
Why do we wash the DNA on the purification column? 
To remove impurities from the DNA 
Which of the following is important when collecting a 
sample for molecular analysis? Choose all that apply. 
Clean, sterile container 
Sterile blood collection tube with an appropriate anti- 
coagulant 
Sterile swab with the appropriate collection media 
Precipitated RNA can be eluted from the column and 
stored in: 
Nuclease...
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BIOL 112 FINAL EXAM REVIEW WITH COMPLETE SOLUTIONS
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BIOL 112 FINAL EXAM REVIEW WITH 
 
COMPLETE SOLUTIONS 
 
Darwin’s theory of evolution is a strong theory, but at the time of proposing the theory, 
some aspects were yet to be explained. Which of the following things below did Darwin 
understand and incorporate into his theory? 
a. That inherited variations could increase an organism's ability to survive and reproduce 
b. How chromosomes were inherited 
c. That genetic mutation could be responsible for making new alleles 
d. That genes were t...
-
BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+.
- Exam (elaborations) • 15 pages • 2024
-
Available in package deal
-
- $15.49
- + learn more
BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+. What are the properties of life? - correct answer *Cells and organization 
*Energy use and metabolism 
*Environmental response 
*Regulation and homeostasis 
*Growth and development 
*Reproduction 
*Biological evolution 
When was earth formed? - correct answer 4.55 billion years ago 
When did life on earth first appear? - correct answer 3.5 billion years ago 
What are the evolutionary mechanisms? - correct answer *Nonrando...
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