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