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Exam bank BIO 235 - Midterm 2 Questions and Answers | Latest Version | 2024/2025 | Rated A+ CA$18.30   Add to cart

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Exam bank BIO 235 - Midterm 2 Questions and Answers | Latest Version | 2024/2025 | Rated A+

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Exam bank BIO 235 - Midterm 2 Questions and Answers | Latest Version | 2024/2025 | Rated A+ What is the significance of protein folding in cellular function? A) It determines the protein’s function and activity B) It has no impact on protein function C) It is only important during DNA...

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  • October 9, 2024
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Exam bank BIO 235 - Midterm 2
Questions and Answers | Latest Version
| 2024/2025 | Rated A+
What is the significance of protein folding in cellular function?

A) It determines the protein’s function and activity

B) It has no impact on protein function

C) It is only important during DNA replication

D) It solely affects the energy content of proteins


✔✔ A) It determines the protein’s function and activity




What is apoptosis, and why is it important?

A) Cell division process

B) Controlled cell death that eliminates damaged cells

C) A form of cellular respiration

D) A type of cellular communication


✔✔ B) Controlled cell death that eliminates damaged cells




Which type of RNA carries the genetic code from DNA to the ribosome?


1

,A) rRNA

B) tRNA

C) mRNA

D) snRNA


✔✔ C) mRNA




What is the purpose of the DNA double helix structure?

A) To allow rapid replication

B) To protect the genetic information

C) To facilitate protein synthesis

D) To enhance energy production


✔✔ B) To protect the genetic information




What is the primary function of ribosomes in cells?

A) Energy production

B) Protein synthesis

C) Lipid synthesis

D) DNA replication


2

,✔✔ B) Protein synthesis




Which of the following structures is responsible for modifying and packaging proteins?

A) Ribosomes

B) Golgi apparatus

C) Mitochondria

D) Lysosomes


✔✔ B) Golgi apparatus




What is the process by which DNA is transcribed into RNA?

A) Translation

B) Replication

C) Transcription

D) Transformation


✔✔ C) Transcription




What is the role of lysosomes in the cell?

A) Energy production


3

, B) Protein synthesis

C) Digestion of macromolecules

D) Photosynthesis


✔✔ C) Digestion of macromolecules




How does the structure of the phospholipid bilayer contribute to its function?

A) It is rigid and impermeable

B) It allows for selective permeability and fluidity

C) It serves solely for energy storage

D) It is composed entirely of proteins


✔✔ B) It allows for selective permeability and fluidity




What type of bond holds the two strands of DNA together?

A) Ionic bonds

B) Covalent bonds

C) Hydrogen bonds

D) Disulfide bonds


✔✔ C) Hydrogen bonds


4

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