Gene silencing - Study guides, Revision notes & Summaries
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BIS 2A Midterm 3|136 Questions And Answers| Success Guaranteed
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Which of the following activities does the ribosome perform? 
A 
B. Polymerization of dNTPs 
C. Addition of the correct amino acid to the 3'OH of tRNA 
D. Removal of incorrect amino acids 
E. C and d are correct - ️️A. Establishment of the reading frame and formation of peptide bonds 
 
A missense mutation is: 
A. When the two bases of the double helix don't match 
B. When the sequence of a codon is changed, but its meaning is not 
C. A mutation that changes the amino acid encoded 
D....
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Bio 250 Midterm Questions with Correct Answers
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Immunochemistry Correct Answer -used to find antigens, proteins, and cancer in specific tissues via antibodies 
 
Induced pluripotent stem-cell programming Correct Answer -tweaks adult cells into stem cells to force them to express genes, to have properties of embryonic stem cells, to model disease and study drug development 
 
RT-qpcr Correct Answer -used to analyze gene expression (how much is gene expressed?) 
 
Real time PCR Correct Answer -measures telomere length in humans 
 
Western blot ...
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Biology Chapter 18 Practice Test 44 Questions with Verified Answers,100% CORRECT
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Biology Chapter 18 Practice Test 44 Questions with Verified Answers 
 
In the case of E. coli, the bacterium may need to synthesize tryptophan, or its host, a human, may supply all the tryptophan it needs. Why do both bacteria and humans need tryptophan? 
A) It is an important enzyme in the glycolysis pathway. 
B) It is one of the 20 amino acids used by all organisms to synthesize proteins. 
C) It is an important constituent of cell walls in both humans and bacteria. 
D) Tryptophan induces the ...
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NR 602/NR602 BOTANY FINAL EXAM LATEST 2023/2024 REAL EXAM QUESTIONS AND ANSWERS|A+ GRADED
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1.	Which one among the following statements is FALSE about DNA? 
(A)	Located in chromosomes 
(B)	Carries genetic information from parent to offspring 
(C)	Abundantly found in the cytosol 
(D)	There is a precise correlation between amount of DNA and number of sets of chromosome per cell 
 
2.	Which one among the following acts as the inducer of lac operon? 
(A)	Glucose 
(B)	Fructose 
(C)	Lactose 
(D)	Galactose 
 
3.	Kary Mullis is associated with 
(A)	RFLP 
(B)	PCR 
(C)	Phosphorylation reaction 
...
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Brain Story Questions With Correct Answers | UPDATED
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Brain Story Questions With 
Correct Answers | UPDATED 
Brain Development starts shortly after conception. The brain is considered 
mature around the age of: - ANSWER 25 
Order these stages of development from greatest plasticity to least - 
ANSWER Early childhood, late childhood, adolescence, adulthood 
The age at which a human brain has the most connections between 
neurons is: - ANSWER 3 
How do experiences shape the developing brain? - ANSWER They 
influence which neural connections are ...
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ACS BIOCHEMISTRY EXAM QUESTIONS AND ANSWERS 2024
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ACS BIOCHEMISTRY EXAM 
QUESTIONS AND ANSWERS 2024 
what are nucleotides? 
nucleotides are the monomer unit for nucleic acids and are composed of nitrogenous 
bases, 5 carbon sugars and a phosphate group. 
nucleic acids are bipolymers of _____ 
nucleotide monomers 
what is DNA and what is its stability? 
DNA is more stable than RNA and carries genetic information, and is double stranded. 
what is RNA and what is its stability? 
RNA is less stable and is an intermediate in expression of genetic in...
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Brain story
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25 - Brain Development starts shortly after conception. The brain is considered mature around the age of: 
 
Early childhood, late childhood, adolescence, adulthood - Order these stages of development from greatest plasticity to least 
 
3 - The age at which a human brain has the most connections between neurons is: 
 
They influence which neural connections are strengthened and which are pruned away - How do experiences shape the developing brain? 
 
Sensory abilities, motor...
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UNT Biology 1710 Practice Exam 3|52 Questions with Verified Answers,100% CORRECT
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UNT Biology 1710 Practice Exam 3|52 Questions with Verified Answers 
 
An excellent example of the genetic phenomenon known as continuous variation would be: 
a. flower color in plants. 
b. height in humans. 
c. human blood groups. 
d. epistasis. 
e. fur color in arctic animals - CORRECT ANSWER B) height in humans 
 
A human genetic trait passed from one generation to the next has an unusual inheritance pattern. The genotype and phenotype of the offspring depends only upon the genotype of the mo...
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Brain Story Questions With Correct Answers | UPDATED
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Brain Story Questions With 
Correct Answers | UPDATED 
Brain Development starts shortly after conception. The brain is considered 
mature around the age of: - ANSWER 25 
Order these stages of development from greatest plasticity to least - 
ANSWER Early childhood, late childhood, adolescence, adulthood 
The age at which a human brain has the most connections between 
neurons is: - ANSWER 3 
How do experiences shape the developing brain? - ANSWER They 
influence which neural connections are ...
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ADVANCED PATHOPHYSIOLOGY- UTMB 5355 EXAM -1 with complete solutions
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Transcription 
synthesis of RNA from DNA 
 
 
 
Transcription results in 
mRNA 
 
 
 
 
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RNA polymerase makes 
mRNA 
 
 
 
mRNA 
makes proteins 
 
 
 
RNA polymerase 
binds to DNA 
 
 
 
Transcription factors (TFs) 
A regulatory protein that binds to DNA and affects transcription of specific genes. Can wither activate or repress expression of genes 
 
 
 
Termination of tra...
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