nln pax biology REAL EXAM 2025-2026 LATEST
VERSION QUESTIONS AND CORRECT DETAILED
ANSWERS \VERIFIED 100%||BRAND NEW
exclusive to plant cells and it involves the plant cells, essential for their
protection, maintenance of shape and water balance.
Choose an answer
1 Capsule 2 Cell wall
3 Cytoplasm 4 Nucleus
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, 8/28/25, 5:43 PM nln pax biology
smallest living unit and the basic unit of function and
Cell
structure for all living things.
contains genetic information or DNA, controls the
Nucleus
activities of the cell.
DNA - Deoxyribonucleic Acid - genetic information.
Semipermeable membrane that separates the
Plasma or Cell Membrane contents of the cell from the surrounding fluids
(interstitial fluid).
contains substances such as aminoacids, sugars, fatty
Interstitial Fluid
acids, hormones, neurotransmitters and salts.
refers to the selective nature of the plasma
membrane. It contains pores and channels that allow
Selectively permeable or only particles of the right size or right chemical nature
semi permeable to pass through. Additionally plasma membrane
membrane contains receptors that bind with specific substances,
thus allowing special entry or signals to the cell to
perform a certain activity.
Fluid matrix found between the plasma membrane
Cytoplasm and the nucleus that act as scaffolding for the
organelles.
or "little organs" are specialized units in the cell that
Organelles
perform certain functions.
are the locations for cellular respiration that is the
conversion of food to energy at the cellular level, thus
Mitochondria
the mitochondria are the sites of energy production
and most of its ATP.
adenosine triphosphate - chemical the cell uses to
ATP
store and transfer energy within itself.
Ribosome site of protein synthesis in the cell.
Endoplasmatic serves as means of transport within the cell and is
Reticulum(ER) made up of many channels.
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