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Exam (elaborations)
BS161 Exam | Questions solved 100% Correct/Verified Solutions
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--29August 20242024/2025A+Available in bundle
- Which molecule would most likely require a transport protein to cross the plasma membrane 
of a red blood cell? 
a. CO2 
b. C6H12O6 
c. Larger, more polar molecules are less able to cross a membrane than small, 
nonpolar molecules. 
d. H2O 
e. O2 - ANSWER b. C6H12O6
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KenAli
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Exam (elaborations)
Bs161 chapter 15| Questions with 100% Solutions/Verified Answers
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--15August 20242024/2025A+Available in bundle
- A mutation that disrupts the repressor binding site in the lac operon in an E. Coli cell 
would result in ___ 
A.) inhibition of transcription of the lac operon compared to wild type cells 
B.)binding of the repressor to the operator regardless of lactose levels 
C.) increased transcription of the lac operon compared to wild type cells - ANSWER 
C.) Assuming this is the only form of regulation
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KenAli
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Exam (elaborations)
Bs161 Final Exam| 1085 Questions with 100% Solutions/Verified Answers| Already Passed
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--134August 20242024/2025A+Available in bundle
- Bs161 Final Exam| 1085 Questions with 
100% Solutions/Verified Answers| 
Already Passed 
A mutation adds the nucleotide T between the first and second codons in the DNA 
sequence creating a mutant version of the gene. 
- What will happen to the length of the protein produced from the mutant version of this gene? 
- ANSWER It will be shorter because the third codon is now a stop codon which will 
cause translation to end
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KenAli
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Exam (elaborations)
BS161 Chapter 8 Test | Questions with 100% Solutions/Verified Answers| Already Passed
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--12August 20242024/2025A+Available in bundle
- photosynthesis by capturing energy from ______, 
however, they absorb wavelengths that are not efficiently absorbed by ________. In addition, 
they scavenge _____ _______. - ANSWER light, chlorophylls, free radicals 
In the reaction center, _____ are transferred out of the photosystem. - ANSWER electrons 
In a green plant, the majority of photosynthesis takes place in: - ANSWER the leaves 
A graph depicting the efficiency of photon absorption by a pigment molecule as a function of 
photon wavele...
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KenAli
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Exam (elaborations)
BS161 Exam 2024| Questions solved 100% Correct/Verified Solutions
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--21August 20242024/2025A+Available in bundle
- Consider the reaction M + NADH + H+ → O + NAD+. What type of pathway likely uses this 
reaction and why? 
(A)A anabolic pathway because conversion of M to O is coupled to NAD+ production from 
NADH. 
(B)A catabolic pathway because the reaction M -->O is energetically favorable. 
(C)An catabolic pathway because O is less complex than M. 
(D)A anabolic pathway because it uses ATP. - ANSWER A
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KenAli
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Exam (elaborations)
BS161 Exam II 2024| Questions solved 100% Correct/Verified Solutions
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--8August 20242024/2025A+Available in bundle
- Which of the following would stop the cell cycle and why would it stop the cell cycle? - 
ANSWER A mutation that prevents CDK from binding ATP because it would prevent 
phosphorylation of target proteins needed to pass checkpoints. 
Consider the cartoons from ICA DNA replication, Activity 2. Which is true about the 
upper strand of cartoon 1? - ANSWER During replication, it is the template for both 
a leading strand and a lagging strand.
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KenAli
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Exam (elaborations)
BS161 iclicker Exam 2024| Questions solved 100% Correct/Verified Solutions
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--5August 20242024/2025A+Available in bundle
- Which of the following are true about the structure of a double-stranded DNA 
molecule 
A. The nucleotides in a single strand of DNA are held together by hydrogen bonds 
B. The nitrogenous bases in one strand are held to the nitrogenous base of 
the other strand by phosphodiester bonds 
C. In DNA, purine nucleotides (A & G) always form base pairs with purines, 
and pyrimidine nucleotides (C & T) always form base pairs with pyrimidine 
D. The diameter of a DNA molecule is the same along its entir...
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KenAli
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Exam (elaborations)
BS161 Chapter 8 Learnsmart Questions with 100% Correct Answers
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--11June 20242023/2024A+Available in bundle
- BS161 Chapter 8 Learnsmart Questions 
with 100% Correct Answers
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OliviaWest
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Exam (elaborations)
BS161 Smartbook Questions with 100% Correct Answers
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--4June 20242023/2024A+Available in bundle
- BS161 Smartbook Questions with 100% Correct Answers
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OliviaWest
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Exam (elaborations)
bs161 final Exam Practice Questions and Answers
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--31June 20242023/2024A+Available in bundle
- bs161 final Exam Practice Questions and Answers 
In messenger RNA, the protein-coding sequence is present in: 
Question options: 
exons. 
introns. 
exons and the poly(A) sequence. 
introns and the poly(A) sequence. - Correct Answer️️ -exons. 
Which process produces multiple proteins from the same primary transcript in the same 
cell? 
Question options: 
chromatin remodeling 
histone modification 
alternative splicing 
combinatorial control - Correct Answer️️ -alternative splicing 
Altern...
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OliviaWest
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Exam (elaborations)
BS161 2024 Updated Exam
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---31June 20242023/2024A+
- BS161 2024 Updated Exam 
 
What type of bond occurs between molecules? - ANSWER Covalent bond 
 
Blank unwinds DNA - ANSWER Helicase 
 
DNA polymerase can only add nucleotides to the 3' end of an blank strand - ANSWER Existing 
 
What forces occur between molecules? - ANSWER Ionic, hydrogen, hydrophobic clustering and london dispersion forces 
 
Covalent bonds involve To fill outer electron shells - ANSWER Sharing of electrons. 
 
What is the goal of covalent bonding? - ANSW...
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Stuviaascorers
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Exam (elaborations)
Bs161 final 2024 Exam Questions With Answers
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---18June 20242023/2024A+
- Bs161 final 2024 Exam Questions With Answers 
 
In messenger RNA, the protein-coding sequence is present in: 
Question options: 
exons. 
introns. 
exons and the poly(A) sequence. 
introns and the poly(A) sequence. - ANSWER exons. 
 
Which process produces multiple proteins from the same primary transcript in the same cell? 
Question options: 
chromatin remodeling 
histone modification 
alternative splicing 
combinatorial control - ANSWER alternative splicing 
 
Alternative splicing allow...
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Stuviaascorers
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Exam (elaborations)
Bs161 Exam Questions And Answers
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---3June 20242023/2024A+
- Bs161 Exam Questions And Answers 
 
If 2 solutions have unequal concentrations of solutes, which one will be considered hypertonic? - ANSWER The solution with the higher solute concentration. 
 
Due to the constant random motion of its atoms and molecules, a substance will exhibit net movement from a region where it has a higher concentration to a region where it has a lower concentration. This net movement is called— - ANSWER Diffusion 
 
Which of the following involve passive transpo...
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Stuviaascorers