KU BIOL 152 EXAM ONE QUESTIONS AND ANSWERS | LATEST VERSION | 2024/2025 | 100% PASS
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Course
KU BIOL 152
Institution
KU BIOL 152
KU BIOL 152 EXAM ONE QUESTIONS
AND ANSWERS | LATEST VERSION |
2024/2025 | 100% PASS
What is the main reason water is essential for life at the cellular level?
Water acts as a solvent for chemical reactions, helps in temperature regulation, and is
involved in transporting nutrients and wa...
KU BIOL 152 EXAM ONE QUESTIONS
AND ANSWERS | LATEST VERSION |
2024/2025 | 100% PASS
What is the main reason water is essential for life at the cellular level?
✔✔Water acts as a solvent for chemical reactions, helps in temperature regulation, and is
involved in transporting nutrients and waste products.
What structure in a plant cell provides protection, support, and shape, and is made primarily of
cellulose?
✔✔The cell wall provides structure and support, making it unique to plant cells.
If you were to look inside a cell to find the “brain” controlling all cellular activities, which
organelle would you look for?
✔✔The nucleus, which houses the cell's genetic material and regulates gene expression.
What’s the function of the smooth endoplasmic reticulum in detoxifying a liver cell?
✔✔It helps detoxify chemicals, metabolize drugs, and synthesize lipids that are important for
cellular function.
1
,Imagine you're a glucose molecule entering a cell—what channel would allow you to enter the
cell?
✔✔The glucose molecule would enter through a protein channel or transporter, like GLUT
(glucose transporter).
If mitochondria are the "powerhouse" of the cell, where would you look to find energy being
stored temporarily during cellular processes?
✔✔ATP (adenosine triphosphate) is the energy currency that temporarily stores energy for
cellular functions.
What would happen if a mutation occurred in the gene that codes for RNA polymerase in a cell?
✔✔The cell would fail to transcribe DNA into RNA, disrupting protein synthesis and cellular
function.
What type of macromolecule is a catalyst in a biochemical reaction, speeding up the process
without being consumed?
✔✔Enzymes, which are proteins, act as biological catalysts to speed up chemical reactions.
2
, Why do plant cells need both chloroplasts and mitochondria, while animal cells only need
mitochondria?
✔✔Chloroplasts in plants convert light energy into chemical energy (photosynthesis), while
mitochondria convert stored chemical energy into usable ATP (cellular respiration).
Which part of a cell is responsible for packaging proteins before they are transported to their
final destination?
✔✔The Golgi apparatus modifies, sorts, and packages proteins for secretion or delivery to other
parts of the cell.
If a cell undergoes mitosis, how does the chromosome number of the daughter cells compare to
the parent cell?
✔✔The chromosome number remains the same in the daughter cells as in the parent cell,
ensuring genetic consistency.
How do aquaporins contribute to the process of osmosis in the body?
✔✔Aquaporins are specialized membrane proteins that facilitate the rapid movement of water
across cell membranes during osmosis.
3
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