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Cells become differentiation or maturation
specialized through the
process of
movement, conductivity, metabolic absorption,
The eight specialized
secretion, excretion, respiration, reproduction,
cellular functions are
communication
The eukaryotic cell the plasma membrane, the cytoplasm, and the
consists of three general intracellular organelles.
components:
The nucleus is the largest cell division and control of genetic information.
membrane-bound
organelle and is usually
found in the cell's center.
The chief functions of the
nucleus are
Cytoplasm, or the an aqueous solution (cytosol) that fills the space
cytoplasmic matrix, is between the nucleus and the plasma membrane.
suspended in the cytoplasm and are enclosed in
The organelles are
biologic membranes.
The endoplasmic in the synthesis and transport of protein and lipid
reticulum (ER) is a components of most of the organelles. Importantly,
network of tubular the ER is responsible for protein folding and sensing
channels (cisternae) that cell stress.
extend throughout the
outer nuclear membrane.
It specializes
, The Golgi complex is a smooth membranes and vesicles located near the
network of nucleus.
processing and packaging proteins into secretory
vesicles that break away from the Golgi complex
The Golgi complex is
and migrate to a variety of intracellular and
responsible for
extracellular destinations, including the plasma
membrane.
Lysosomes are saclike digesting most cellular substances completely to
structures that originate their basic components, such as amino acids, fatty
from the Golgi complex acids, and carbohydrates.
and contain digestive
enzymes. these enzymes
are responsible for
Cellular debris is a lysosome to complete its degradation, a process
encapsulated within a call autophagy.
vesicle that reacts with
Autophagy plays a health and disease.
crucial role in
lysosomes but contain several oxidative enzymes,
Peroxisome are similar to
such as catalase and urate oxidase.
Mitochondria are found cellular respiration and energy production.
in great numbers in most
cells and are responsible
for
The enzymes of the most of the cell's ATP.
respiratory chain
(electron transport chain),
found in the inner
membrane of the
mitochondria, generates
Vaults are cytoplasmic ribonucleoproteins.
organelles also called
Vaults are thought to cellular "trucks" carrying mRNA from the nucleus to
function as the ribosomal sites of protein synthesis.
The cytoskeleton is the "bone and muscle" of the cell.