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BIS 2A Midterm 2|87 Questions with 100% Correct Answers | Updated | Guaranteed A+
1. A couple who are both carriers for the gene for cystic fibrosis have two children who have cystic fibrosis. What is the probability that their next child will have cystic fibrosis? (Assume parents are heterozygous) a) 0% b) 25% c) 50% d) 75% e) 100% - ️️b) 25% 2. In crossing a homozygous recessive with a heterozygote, what is the chance of getting an offspring with the homozygote recessive phenotype? a) 0% b) 25% c) 50% d) 75% e) 100% - ️️c) 50% 3. In snapdragons,...
jackline98
Examen
BIS 2A
PopularBIS 2A What is the difference between channel proteins and carrier proteins? - CORRECT ANSWER-While they are both transport protiens active in facilitated diffusion, channel protiens are always open and work faster than carriers. While carrier protiens bind to a substance and change shape for that substance to pass through. What is Tonicity? - CORRECT ANSWER-The ability of an extra cellular solution to change in volume by affecting osmosis. What is osmoregulation? - CORRECT ANSWER-Mec...
SpectraLearning
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Bis 2A Final Exam Britt Actual 2025/2026 Questions And 100% Correct Answers
BIS 2A FINAL EXAM BRITT ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS The direction of a chemical reaction S -> P is determined by... A. The presence of a catalyst B. The Standard Free energy of S and P C. The relative concentrations of S and P D. a and b E. b and c - Answer -E. b and c Consider the free energy diagram below, which describes the energy states of molecules undergoing the reaction X <-> Y. Raising the temperature of the reaction would reduce the size of ...
AdelineJean
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Bis 2A Final Exam Set Actual 2025/2026 Questions And 100% Correct Answers
BIS 2A FINAL EXAM SET ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS Which atoms would you consider more electronegative than carbon? - Answer -- Fluorine -Oxygen -Nitrogen Which of these bonds would you consider a polar covalent bond? C-O C-H C-C H-N H-O - Answer -C-ONeed assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & ...
AdelineJean
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Bis 2A Final Exam Britt Actual 2025/2026 Questions And 100% Correct Answers
BIS 2A FINAL EXAM BRITT ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS The direction of a chemical reaction S -> P is determined by... A. The presence of a catalyst B. The Standard Free energy of S and P C. The relative concentrations of S and P D. a and b E. b and c - Answer -E. b and c Consider the free energy diagram below, which describes the energy states of molecules undergoing the reaction X <-> Y. Raising the temperature of the reaction would reduce the size of ...
mercylynneh
Examen
Bis 2A Final Exam Set Actual 2025/2026 Questions And 100% Correct Answers
BIS 2A FINAL EXAM SET ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS Which atoms would you consider more electronegative than carbon? - Answer -- Fluorine -Oxygen -Nitrogen Which of these bonds would you consider a polar covalent bond? C-O C-H C-C H-N H-O - Answer -C-ONeed assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & ...
mercylynneh
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Britt Bis 2A Midterm 2 study guide DUE 9 OCTOBER 2023
Britt Bis 2A Midterm 2 study guide DUE 9 OCTOBER 2023 1. A protein's tertiary structure is stabilized by... a. Hydrophobic R groups b. Ionic bonds c. Phosphodiester bonds d. Hydrogen bonds e. a, b, and d -CORRECT ANSWER- e. a, b, and d In animals, if the fuel consumed exceeds energy expended, fats are synthesized from carbohydrates in order to store the excess energy. Acetyl-coA Carboxylase catalyzes the first dedicated step in fatty acid synthesis. This enzyme responds to a larg...
SpectraLearning
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Bis 2A Midterm 2 2023/2024
BIS 2A MIDTERM 2 2023/2024 On early Earth, the first things that looked like they might be classified as living organisms used iron sulfur clusters as catalysts. If these "naked" iron sulfur clusters can catalyze reactions, why do our cells instead use proteins carrying iron sulfur clusters as catalysts? a. To decrease substrate specificity b. To increase substrate specificity c. To prevent spontaneous oxidation of the iron in the cluster d. a and c e. b and c - CORRECT ANSWER-e. ...
SpectraLearning
Examen
BIS 2A 2023
BIS 2A 2023 What are proteins made of? - CORRECT ANSWER-Proteins are made up of amino acids linked together by peptide bonds, as well as the R groups attached to the amino acids (which make them unique and give certain characteristics) Proteins are formed through the process of condensation, when the carboxylic group and the amine group of the amino acids bind together to produce water, forming a peptide bond. How the various levels of organization (primary, secondary...) affect the s...
SpectraLearning
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BIS 2A Midterm 1 Britt
BIS 2A Midterm 1 Britt Which of the following statements best describes covalent bonds? - CORRECT ANSWER-the sharing of an electron pair between atoms; relatively strong bond Which of the carbon atoms is most oxidized? - CORRECT ANSWER-CO2 How can living things grow and display increasing levels of order, reorganizing random molecules into complex organized molecules? - CORRECT ANSWER-living things capture the energy from their environment, like nearby exergonic reactions, and use tha...
SpectraLearning
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BIS 2A Midterm 55 Questions And Answers
What are prokaryotes? - ️️single-celled organisms with neither a membrane-bound nucleus nor other lipid membrane-bound organelles What two phylogenetically distinct groups make up prokaryotes? - ️️bacteria and archaea What are the three domains of life? - ️️bacteria, archaea, and eukarya TRUE or FALSE: an ancestor of modern archaea is believed to have given rise to eukarya. - ️️TRUE Although bacteria and archaea share many morphological, structural, and metabolic attr...
jackline98
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BIS 2A Midterm 55 Study Questions And Answers
Which of the following statements best describes covalent bonds? - ️️the sharing of an electron pair between atoms; relatively strong bond Which of the carbon atoms is most oxidized? - ️️CO2 How can living things grow and display increasing levels of order, reorganizing random molecules into complex organized molecules? - ️️living things capture the energy from their environment, like nearby exergonic reactions, and use that energy to create order Early in earths history the...
jackline98
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BIS 2A Midterm 3 Britt|149 Questions And Answers| Success Guaranteed
In cells which express telomerase, telomerase will add telomeric sequences to: - ️️The 3' ends of chromosomes A missense mutation is ... - ️️A mutation that changes the amino acid encoded Generally speaking, the genes for regulatory proteins that directly detect environmental signals (for example, the Lac Repressor protein) are transcribed... - ️️All the time (constitutively) The coding region for the lacZYA operon is fused to a strong, constitutively expressed eukaryotic p...
jackline98
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BIS 2A Midterm 1 |114 Questions And Answers| Solved Correctly
In addition to covalent and ionic bonds, which of the following interactions is of interest to the biologist in BIS2A. a. van der Waals interactions b. Hydrogen bonds c. Hydrophobic interactions d. a and b e. All of the above - ️️e. All of the above Which of the following statements about atoms is true? a. An electron has a more negative charge than a proton has a positive charge, which is why there are usually more protons than electrons in an atom. b. Neutrons simply add mass to...
jackline98
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BIS 2A Midterm 3 Questions And Answers
1. Which of the following activities does the ribosome perform? a. Establishment of the reading frame and formation of peptide bonds 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 2. A missense mutation is ... a. When the two bases in the double helix don't match b. When the sequence of a codon is changed, but i...
jackline98
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BIS 2A Midterm 3|136 Questions And Answers| Success Guaranteed
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....
jackline98
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Bis 2A Midterm 242 Review Study Questions And Answers
What does a protein do to be able to react with other molecules? - ️️produced as a linear stretch but folded up to be able to react What are catalysts made of? - ️️proteins plus other small molecules Why does life use a catalyst for every reaction? - ️️A. make it go faster B. emphasize the rare useful reactions and avoid toxic alternatives C. to optimize rates for current conditions D. to allow species to compete with other species by employing a specialized lifestyle Wha...
jackline98
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BIS 2A Midterm 112 Question With Verified Answers
Amino acids in a protein chain are attached by bonds called ____________. - ️️Peptide Bond Where do peptide bonds form? - ️️Between the carboxyl group of one amino acid and the amino group of another amino acid. What changes when a protein denatures? - ️️Three dimensional structure The peptide bond that forms between two amino acids is an example of a - ️️Covalent Bond Which cell makes up the bulk of the cell membrane? - ️️phospholipids Which lipid provides a w...
jackline98
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BIS 2A midterm 62 Questions With Correctly Solved Answers
What is the difference between channel proteins and carrier proteins? - ️️While they are both transport proteins active in facilitated diffusion, channel proteins are always open and work faster than carriers. While carrier proteins bind to a substance and change shape for that substance to pass through. What is Tonicity? - ️️The ability of an extra cellular solution to change in volume by affecting osmosis. What is osmoregulation? - ️️Mechanism of controlling the affects of os...
jackline98
Examen
BIS 2A MIDTERM 2|50 Questions With Complete Solutions
On early Earth, the first things that looked like they might be classified as living organisms used iron sulfur clusters as catalysts. If these "naked" iron sulfur clusters can catalyze reactions, why do our cells instead use proteins carrying iron sulfur clusters as catalysts? a. To decrease substrate specificity b. To increase substrate specificity c. To prevent spontaneous oxidation of the iron in the cluster d. a and c e. b and c - ️️e. b and c Two tabby (striped) cats are bred...
jackline98