Gene silencing - Study guides, Revision notes & Summaries
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Brain Story questions and answers 100% guaranteed success.
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Brain Story questions and answers 100% guaranteed success. 
 
 
 
 
 
 
 
 
 
 
 
 
25 - correct answers.Brain Development starts shortly after conception. The brain is considered mature around the age of: 
 
Early childhood, late childhood, adolescence, adulthood - correct answers.Order these stages of development from greatest plasticity to least 
 
3 - correct answers.The age at which a human brain has the most connections between neurons is: 
 
They influence which neural connections are str...
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BIO 214 EXAM 3 Practice EXAM 57 Questions with Verified Answers,100% CORRECT
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BIO 214 EXAM 3 Practice EXAM 57 Questions with Verified Answers 
 
In the lac operon, CAP binding to the CAP site of the promoter ____. 
a. occurs when glucose is present 
b. inhibits RNA polymerase from binding to the promoter 
c. occurs when cAMP is absent 
d. helps the repressor protein bind to the operator 
e. enables RNA polymerase to transcribe the operon's genes - CORRECT ANSWER enables RNA polymerase to transcribe the operon's genes 
 
Gene regulation in both prokaryotes and eukaryotes...
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BIO Chapter 12 and 13 Practice Test 31 Questions with Verified Answers,100% CORRECT
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BIO Chapter 12 and 13 Practice Test 31 Questions with Verified Answers 
 
RNA contains the sugar 
a. ribose. 
b. deoxyribose. 
c. glucose. 
d. lactose. - CORRECT ANSWER a. ribose. 
 
Unlike DNA, RNA contains 
a. adenine. 
b. uracil. 
c. phosphate groups. 
d. thymine. - CORRECT ANSWER b. uracil. 
 
Which of the following are found in both DNA and RNA? 
a. ribose, phosphate groups, and adenine 
b. deoxyribose, phosphate groups, and guanine 
c. phosphate groups, guanine, and cytosine 
d....
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BIO 13 Practice Test 40 Questions with Verified Answers,100% CORRECT
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BIO 13 Practice Test 40 Questions with Verified Answers 
 
RNA contains the sugar 
a. ribose. 
b. deoxyribose. 
c. glucose. 
d. lactose. - CORRECT ANSWER a. ribose. 
 
Unlike DNA, RNA contains 
a. adenine. 
b. uracil. 
c. phosphate groups. 
d. thymine. - CORRECT ANSWER b. uracil. 
 
Which of the following are found in both DNA and RNA? 
a. ribose, phosphate groups, and adenine 
b. deoxyribose, phosphate groups, and guanine 
c. phosphate groups, guanine, and cytosine 
d. phosphate grou...
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Biochemistry ACS Exam (All Accurate 100%)
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nucleotides correct answers monomeric unit for nucleic acids and are composed of nitrogenous base, 5-carbon sugar and a phosphate 
 
nucleic acids are biopolymers of correct answers nucleotide monomers 
 
DNA correct answers -more stable 
- carrier of genetic information 
- double stranded 
 
RNA correct answers - less stable 
- intermediate in expression of genetic information 
- can form secondary structure (as in tRNA) by hydrogen bonding with itself 
- not all forms of RNA are intermediates ...
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ACS Biochemistry Exam Questions and Correct Solutions 2024
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ACS Biochemistry Exam Questions and 
Correct Solutions 2024 
What is a nucleotide? - Answer -Nucleotides are the monomer unit of nucleic acids. They're composed of 
a nitrogenous base, 5-carbon sugar and a phosphate group 
What is a biopolymer? - Answer -A polymer that is made by a living organism 
Nucleic acids are biopolymers of what? - Answer -DNA and RNA 
What are the key features of DNA? - Answer -DNA is more stable 
carries genetic information 
double-stranded 
What are the key features o...
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GENE 4200 practice exam 1|26 Questions with Verified Answers,100% CORRECT
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GENE 4200 practice exam 1|26 Questions with Verified Answers 
 
Transcription factors help regulate which cell types and tissues will express a given gene (T/F) - CORRECT ANSWER 
 
When comparing RNA levels for gene X between two samples by qPCR, the sample with thehighest DCT value would have the least gene X RNA (T/F) - CORRECT ANSWER 
 
Exons are the most abundant DNA sequences in the human genome (T/F) - CORRECT ANSWER false 
 
Most transposons in the human genome are inactive. (T/F) - COR...
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NURS 6501-Advanced Pathophysiology Quiz 1 Questions and Answers 100- Correct
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NURS 6501-Advanced Pathophysiology Quiz 1 Questions and Answers 100- Correct 
How are cells specialized? 
through the process of differentiation or maturation 
 
 
 
What are the eight specialized cellular functions? 
movement, conductivity, metabolic absorption, secretion, excretion, respiration, reproduction, and communication 
 
 
 
What are the three general components of an eukaryotic cell? 
the plasma membrane, the cytoplasm, and the intracellular organelles. 
 
 
 
What causes the release...
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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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CPPS 403 Pre-Midterm Exam Questions with Correct Answers
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CPPS 403 Pre-Midterm Exam Questions with Correct Answers 
 
Each chromosome contains a single continuous DNA molecule and DNA bound to histone proteins are organized into subunits called nucleosomes. 
DNA bound around 8 histone proteins. 
 
Chromatin - Answer- DNA is condensed into chromatin, condensed into nucleosome. 
Chromatin fibers are units of DNA wrapped around histones. Chromatin condensed becomes chromatin loops of variable size and there is chromatin domains/topologically associati...
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