A b z dna Study guides, Revision notes & Summaries
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MCB 3020C Module 2 Exam Review Questions and Answers 2024.
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MCB 3020C Module 2 Exam Review Questions and Answers 2024. 
*Anything denoted in red are extra important takeaways 
1. What is the function of the Z ring in binary fission? 
A. It forms a contractile ring at the septum => Made up of FtsZ (tubulin 
homologues) molecules important for bacterial septation 
B. It controls the replication of DNA => Replisome contains DNA replication 
machinery 
C. It separates the newly synthesized DNA molecules => ParA 
polymerizes/depolymerizes to attach t...
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CHEM 210 Module 6 Exam Questions and Answers Latest Updated 2024/2025 - Portage Learning.
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CHEM 210 Module 6 Exam Questions and Answers Latest Updated 2024/2025 - Portage Learning. In RNA, guanine always pairs with . 
Thymine 
Guanine 
Cytosine 
Uracil 
Both A and B 
CYSTOSINE 
DNA is built from which of the following? 
Nucleosides 
Genes 
Purines 
Nucleotide 
Codons 
NUCLEOTIDE 
The Z-form helix of DNA is stabilized mainly by . 
Ionic bonds 
Covalent bonds 
Hydrogen bonds 
Ion-dipole bonds 
Hydrogen covalent bonds 
HYDROGEN BONDS 
Question 1 
3 / 3 pts 
CHEM 210 Portage Learning Chem...
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CHEM 210 Module 6 Exam Questions and Answers Updated 2024/2025 (Portage Learning)
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CHEM 210 Module 6 Exam Questions and Answers Updated 2024/2025 (Portage Learning) In RNA, guanine always pairs with . 
Thymine 
Guanine 
Cytosine 
Uracil 
Both A and B 
CYSTOSINE 
DNA is built from which of the following? 
Nucleosides 
Genes 
Purines 
Nucleotide 
Codons 
NUCLEOTIDE 
The Z-form helix of DNA is stabilized mainly by . 
Ionic bonds 
Covalent bonds 
Hydrogen bonds 
Ion-dipole bonds 
Hydrogen covalent bonds 
HYDROGEN BONDS 
Question 1 
3 / 3 pts 
CHEM 210 Portage Learning Chem 210 - M...
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BIO Exam 4 Practice Test 174 Questions with Verified Answers,100% CORRECT
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BIO Exam 4 Practice Test 174 Questions with Verified Answers 
 
The term polycistronic mRNA means: 
A.There is more than one mRNA strand produced during each round of transcription. 
B.There are multiple promotors to initiate transcription of this RNA. 
C.There are multiple operators for transcription of this RNA. 
D. There are multiple open reading frames in the mRNA produced. - CORRECT ANSWER D 
 
Please choose the true statement: 
A. During replication, the DNA leading strand is polymerized i...
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BIOL 3030 Practice Exam 40 Questions with Verified Answers,100% CORRECT
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BIOL 3030 Practice Exam 40 Questions with Verified Answers 
 
Which enzyme untwists the parent strands of DNA during replication? - CORRECT ANSWER DNA helicase 
 
Tetrad analysis is a technique for 
a. determining base sequences in DNA 
b. mapping genes in organisms retaining the four meiotic products in one structure 
c. measuring the number of chromatids at meiosis 
d. separating neurospora mycelia - CORRECT ANSWER b. mapping genes in organisms retaining the four meiotic products in one struct...
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CSET 215/217 Xam Practice Test 147 Questions with Verified Answers,100% CORRECT
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CSET 215/217 Xam Practice Test 147 Questions with Verified Answers 
 
Which is not true about a cell membrane? 
 
A. It is made from phospholipids 
B. Both plant and animal cells have a cell membrane 
C. The cell wall is the same as the cell membrane in plants 
D. It controls the passage of nutrients within a cell - CORRECT ANSWER C. The cell wall is the same as the cell membrane in plants 
 
Plant cells also have an outer cell wall to give it structure 
 
Microorganisms use all but the followin...
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Portage Learning Chem 210 - Module 6 exam
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Portage Learning Chem 210 - Module 6 exam 
 
 
In RNA, guanine always pairs with	. 
 
Thymine Guanine Cytosine Uracil 
Both A and B 
CYSTOSINE 
 
DNA is built from which of the following? 
 
Nucleosides Genes Purines Nucleotide Codons 
NUCLEOTIDE 
 
The Z-form helix of DNA is stabilized mainly by	. 
 
Ionic bonds Covalent bonds Hydrogen bonds Ion-dipole bonds 
Hydrogen covalent bonds 
HYDROGEN BONDS 
 
 
 
 
Which of the following pentose sugars is a constituent of mRNA? 
 
 
 
Ribose
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Midterm 1 - CMMB 411 questions and answers rated A+ 2024/2025
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Midterm 1 - CMMB 411B-DNA - correct answer - 10.5 bp per turn 
- Anti-parallel strands (5'->3' opposite) 
- Right handed helix 
- Major/minor grooves 
 
35.7 A - correct answer B-DNA Helix pitch 
 
10.5 - correct answer B-DNA bp per turn 
 
34.3 degrees - correct answer B-DNA twist angle (degrees) 
 
20 A - correct answer B-DNA helix diameter 
 
3.4 A - correct answer B-DNA axial rise per bp 
 
A-DNA - correct answer DNA present in bacterial spores, or dehydrated DNA 
also in tRNA an...
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Ch 13 Practice Test 93 Questions with Verified Answers,100% CORRECT
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Ch 13 Practice Test 93 Questions with Verified Answers 
 
The sequence of nitrogen-containing bases on one strand of DNA most directly determines the sequence of - CORRECT ANSWER amino acids in a protein molecule 
 
The sequence of nitrogen-containing bases on one strand of DNA could determine all of the following EXCEPT the sequence of 
 
A) nitrogen-containing bases in the other DNA strand. 
B) nitrogen-containing bases in mRNA. 
C) amino acids in a protein molecule. 
D) ribose and phosphate m...
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ATI TEAS 7 Exam Test Bank 300 Questions with Answers
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ATI TEAS 7 Exam Test Bank 300 Questions with Answers 
	100% VERIFIED 
1.	How are carbohydrates used by the body? Choose ALL answers that apply. 
•	structure 
•	Communication 
•	storage 
•	Recognition 
2.	What type of immunity does a vaccine provide? Choose only ONE best answer. 
•	naturally acquired passive immunity 
•	Artificially acquired passive immunity 
•	Naturally acquired active immunity 
•	Artificially acquired active immunity 
3.	Which organs and/or glands are superior t...
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