BIOLOGY 101- Final Exam Questions and Answers | Latest Update | 2024/2025 | Rated A+
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Course
BIOLOGY 101- Fin
Institution
BIOLOGY 101- Fin
BIOLOGY 101- Final Exam Questions
and Answers | Latest Update | 2024/2025
| Rated A+
What is the primary function of the ribosome?
Ribosomes are responsible for synthesizing proteins by translating mRNA into polypeptide
chains.
How does the process of photosynthesis benefit plants?
...
BIOLOGY 101- Final Exam Questions
and Answers | Latest Update | 2024/2025
| Rated A+
What is the primary function of the ribosome?
✔✔ Ribosomes are responsible for synthesizing proteins by translating mRNA into polypeptide
chains.
How does the process of photosynthesis benefit plants?
✔✔ Photosynthesis converts light energy into chemical energy stored in glucose, providing food
and oxygen for the plant and other organisms.
What is the role of ATP in cellular metabolism?
✔✔ ATP provides energy for various cellular processes, including muscle contraction, active
transport, and biosynthesis.
1
,How do plant cells regulate water balance through osmosis?
✔✔ Plant cells use their central vacuole to maintain turgor pressure by absorbing water, which
helps keep the cell rigid and stable.
What is the purpose of meiosis in sexually reproducing organisms?
✔✔ Meiosis reduces the chromosome number by half to produce gametes, ensuring genetic
diversity and proper chromosome number in offspring.
How do cellular respiration and fermentation differ in energy production?
✔✔ Cellular respiration requires oxygen and produces more ATP compared to fermentation,
which occurs without oxygen and yields less ATP.
What is the significance of DNA's double-helix structure?
✔✔ The double-helix structure allows for efficient DNA replication and repair, as well as the
storage and transmission of genetic information.
2
, What are the key differences between prokaryotic and eukaryotic cells?
✔✔ Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells
have a defined nucleus and various organelles.
What is the function of the endoplasmic reticulum in a cell?
✔✔ The endoplasmic reticulum is involved in the synthesis of proteins and lipids, and their
processing and transport within the cell.
How do enzymes speed up chemical reactions?
✔✔ Enzymes lower the activation energy required for a reaction to proceed, thereby increasing
the reaction rate.
What is the purpose of chlorophyll in Photosynthesis? ✔✔to capture solar energy
3
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