quiz laboratorio #3 pt.2 Flashcards
Contains cellulose fibrils
Support and protection
Cell wall *
Phospholipid bilayer with embedded proteins
Definition of cell boundary; regulation of molecule passage into and out of cell
Plasma membrane
Nuclear envelope surrounding nucleoplasm, chromatin, and nucleoli
Storage of genetic information; synthesis of DNA and RNA
Nucleus
Concentrated area of chromatin
Ribosomal formation
Nucleolus
RNA, and proteins
Protein synthesis
Ribosome
Protein and RNA in two subunits Membranous, flattened channels and tubular canals
Synthesis and/or modification of proteins and other substances; transport by vesicle formation
Endoplasmic reticulum (ER)
Studded with ribosomes
Protein synthesis
Rough ER
Has no ribosomes
Various functions; lipid synthesis in some cells
Smooth ER
Stack of membranous saccules
Processing, packaging, and distribution of proteins and lipids
Golgi apparatus
Membranous sacs
Storage of substances, cellular secretion, or waste
Vacuole and vesicle
Membranous vesicle containing digestive enzymes
lntracellular digestion, contains lysozimes, role in cell death (apoptosis)
Lysosome**
Membranous vesicle containing specific enzymes
Various metabolic tasks
Peroxisome
Membranous cristae bounded by an outer membrane (double membrane organelle)
Cellular respiration
Mitochondrion
Membranous bounded by two membranes: contain chlorophyll: found in plant cells
contain chlorophyll that trap solar energy for photosynthesis production
Plastids (Chloroplast )*
Microtubules, intermediate filaments, and actin filaments
Shape of cell and movement of its parts
Cytoskeleton
