Double helix - Study guides, Class notes & Summaries
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Penn Foster Biology Chapter 10 Questions and Answers Rated A+
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Penn Foster Biology Chapter 10 
Questions and Answers Rated A+ 
 
What is the main function of DNA in cells? 
 
 To store and transmit genetic information that guides the development and functioning of 
organisms. 
 
What are the building blocks of DNA called? 
 Nucleotides. 
 
What are the three components of a nucleotide? 
 A phosphate group, a sugar molecule, and a nitrogenous base. 
 
What is the structure of DNA known as? 
 
 A double helix. 
 
Which bases are paired together in DNA? 
 Aden...
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Bio Exam 3 Questions and Answers 100% Pass
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Bio Exam 3 Questions and Answers 
 
100% Pass 
 
What did Griffith discover in his experiment involving bacteria with capsule (S) and non-capsule 
(R) strains, and what molecule did Avery, MacLeod, and McCarty identify as responsible for this 
phenomenon? 
Griffith observed that DNA could transform bacteria, demonstrating for the first time that genetic 
material can be transferred through a process called transformation. The S-strain, with a 
polysaccharide capsule, is protected from the immune...
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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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ASCP Molecular Biology Certification Exam Questions and Answers 100% Pass
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ASCP Molecular Biology Certification Exam Questions and Answers 100% Pass 
Pyrimidine One carbon ring Cytosine, Thymine, Uracil 
What is the function of mRNA? Carries genetic info out of nucleus Transcript translated to protein 
What is the function of tRNA? Carries aa to ribosome Anticodon pairs with codon on mRNA strand 
What is the function of rRNA? 
part of ribosome structure most abundant RNA coordinated coupling of tRNA to mRNA codons 
Feedback inhibition Product of pathway is noncompetiti...
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AP Biology Exam Review 2024/2025 with Complete Solutions
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AP Biology Exam Review 2024/2025 with 
 
Complete Solutions 
 
Protein 
A three dimensional polymer made of monomers of amino acids. 
primary structure 
sequence of amino acids 
secondary structure 
Either an alpha helix or beta pleated sheet due to the interactions of H-bonds 
tertiarty structure 
R-group interactions cause further folding to contribute to the overall globular protein shape 
quarternary structure 
The overall protein structure that results from the aggregation of two or more po...
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EXAM 1 BIOS 242- CHAMBERLAIN ALREADY PASSED
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EXAM 1 BIOS 242- CHAMBERLAIN ALREADY PASSED 
DNA is replicated in the ___ nucleus 
RNA is replicated in the ___ cytoplasm 
what is the first step in viral replication? penetration/adhesion (attaches to membrane using spikes) 
what is the second step in viral replication? uncoating 
what is the third step in viral replication? replication 
what is the fourth step in viral replication? assembly 
what is the fifth step in viral replication? maturation 
what is the sixth step in viral replication? r...
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PCB 3063 Exam 3 Questions And Answers Latest Updates
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Eukaryotic Chromosomes - ️️The multiple linear chromosomes in a eukaryotic 
nucleus are highly condensed 
Degree of coiling and packing changes throughout cell cycle 
Interphase: relatively more relaxed = less condensed 
Mitotic phase: relatively more compact = fully condensed for movement of individual 
chromosomes during cell division 
Genome size - ️️The genomes of different species contain different amounts of 
DNA. 
The complexity of an organism doesn't necessarily match the amou...
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BIOS 260 Chapter 2 with Verified Solutions
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BIOS 260 Chapter 2 with Verified Solutions 
1. The nucleotides in DNA are held together in a double-stranded helix, list the specific pair of 
bases that bond to form a DNA molecule. What is the
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BSC 108 Exam 3 | 100% Correct | Verified | 2024 Version
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The structure of a strand of DNA. - it is a double helix, like a twisted ladder. 
the ladder rings are nucleotide subunits and they have a covalent bond to the sugar phosphate 
backbone (made of deoxyribose and a phosphate group) 
What are the nucleotide subunits? - adenine, guanine, cytosine, and thymine 
How are the subunits held together? - through a hydrogen bond 
What are the nucleotide subunits compliments? - Adenine and thymine 
cytosine and guanine 
How does DNA replicate? - the parent s...
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Final Exam: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
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Final Exam: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU 
 
Q: Where does the most energy production occur in cellular respiration? 
 
 
Answer: 
Oxidative phosphorylation 
 
 
 
Q: What are the properties of a proton compared to neutrons and electrons? 
 
 
Answer: 
Heavy, positive 
 
 
 
Q: Which molecules can cross the membrane the easiest? 
 
 
Answer: 
Nonpolar, small 
 
 
 
Q: Which isomer has a carbon-carbon double bond? 
 
 ...
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