LifeSci 2L03 Poll Questions and Answers Already Passed
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LifeSci 2L03 Poll
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LifeSci 2L03 Poll
LifeSci 2L03 Poll Questions and
Answers Already Passed
Which of the following is a key characteristic of prokaryotic cells?
- They have a nucleus enclosed by a membrane.
- They have mitochondria for energy production.
- They lack membrane-bound organelles.
What is the primary function of...
LifeSci 2L03 Poll Questions and
Answers Already Passed
Which of the following is a key characteristic of prokaryotic cells?
- They have a nucleus enclosed by a membrane.
- They have mitochondria for energy production.
- ✔✔ They lack membrane-bound organelles.
What is the primary function of ribosomes in a cell?
- Transporting proteins within the cell
- Storing genetic material
- ✔✔ Synthesizing proteins from amino acids
Which macromolecule serves as the main structural component of the cell membrane?
- Carbohydrates
- ✔✔ Phospholipids
- Nucleic acids
How do enzymes accelerate biochemical reactions?
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, - By increasing the temperature of the reaction
- By providing additional energy to the reactants
- ✔✔ By lowering the activation energy needed for the reaction to occur
What is the main function of the mitochondria in eukaryotic cells?
- Protein synthesis
- ✔✔ ATP production through cellular respiration
- DNA replication
Which of the following best describes the central dogma of molecular biology?
- RNA is translated into DNA.
- ✔✔ DNA is transcribed into RNA, and RNA is translated into protein.
- Proteins are synthesized directly from DNA.
How do plant cells differ from animal cells?
- ✔✔ Plant cells have a cell wall and chloroplasts, while animal cells do not.
- Plant cells have mitochondria, while animal cells do not.
- Plant cells have larger nuclei than animal cells.
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