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jorge10th BIOLOGY

10th Chapter 7.2 EUKARYOTIC CELL STRUCTURE

QuestionAnswer
A FIRM STRUCTURE THAT PROTECTS GIVES SHAPE TO A CELL CELL WALL
IN PLANT CELLS, COMPOSED MAINLY OF FIBROUS MATERIAL CALLED CELLULOSE CELL WALL
QUITE FLEXIBLE AND ALLOWS THE CELL TO VARY ITS SHAPE PLASMA MEMBRANE
COMPOSED OF TWO LAYERS OF LIQUID AND PROTEIN PLASMA MEMBRANE
NOT FOUND IN ANIMAL CELLS CELL WALL
CONTROLS THE MOVEMENT OF MATERIALS THAT ENTER AND EXIT THE CELLS PLASMA MEMBRANE
FOUND IN PLANTS, BACTERIA, AND PROTISTS BOTH: Plasma Membrane AND Cell Wall
SERVES AS AN EXTERNAL BOUNDARY BETWEEN THE CELLS AND ITS ENVIRONMENT BOTH: Plasma Membrane AND Cell Wall
ALLOWS OXYGEN AND NUTRIENTS TO ENTER AND WASTE PRODUCTS TO LEAVE PLASMA MEMBRANE
HELPS MAINTAIN A CHEMICAL BALANCE WITHIN THE CELL PLASMA MEMBRANE
IN FUNGI, COMPOSED OF CHITIN CELL WALL
WHAT ORGANELLE MANAGES CELL-FUNCTIONS IN A EUKARYOTIC CELL? NUCLEUS
WHAT SURROUNDS THE NUCLEUS? Describe the structure and function of this component. NUCLEAR ENVELOPE-- WHICH IS A DOUBLE MEMBRANE FOUR LAYERS THICK. IT ALLOW MATERIALS TO PASS BACK AND FORTH BETWEEN THE NUCLEUS AND THE REST OF THE CELL.
WHAT SUBSTANCE CAN BE FOUND INSIDE THE NUCLEUS? Describe its function DNA, DNA CARRIES THE MASTER INSTRUCTIONS FOR BUILDING PROTEINS.
A MEMBRANE-BOUND, FLUID- FILLED SAC vacule
CLOSELY STACKED, FLATTENED MEMBRANE SACS. golgi apparatus
THE SITES OF PROTEIN ASSEMBLY ribsomes
A FOLDED MEMBRANE THAT FORMS A NETWORK OF INTERCONNECTED COMPARTMENTS IN THE CYTOPLASM endoplasmic reticulum
THE CLEAR FLUID INSIDE THE CELL cyptoplasm
CONTAINS CHOROPHYLL, A GREEN PIGMENT THAT TRAPS ENERGY FROM SUNLIGHT AND GIVES PLANTS THEIR GREEN COLOR. choloplast
DIGESTS EXCESS OR WORN-OUT CELL PARTS, FOOD PARTICLES, AND INVADING VIRUSES OR BACTERIA. lysosme
SMALL BUMPS LOCATED ON THE ENDOPLASMIC RETICULUM ribsomes
PROVIDES TEMPORARY STORAGE OF FOOD, ENZYMES, AND WASTE PRODUCTS. vacuole
PRODUCE AN USABLE FORM OF ENERGY FOR THE CELL mitochondria
MODIFIES PROTEINS CHEMICALLY, THEN REPACKAGES THEM golgi apparatus
CONTAINS INNER MEMBRANES ARRANGED IN STACKS OF MEMBRANOUS SACS CALLED GRANA choloplast
PLANT ORGANELLES THAT STORE STARCHES OR LIPIDS OR THAT CONTAIN PIGMENTS. plastids
SCIENTISTS DISCOVERED 200 YEARS AGO THAT CELLS HAVE SUPPORT STRUCTURE CALLED THE CYTOSKELETON. 20 years ago
THE EXOSKELETON IS COMPOSED OF TINY RODS AND FILAMENTS THAT FORM A FRAME WORK FOR THE CELL. cytoskeleton
MICROTUBULES OF THE CYTOSKELETON ARE THIN, HOLLOW CYLINDERS MAKE OF PROTEINS. true
FLAGELLA ARE SHORT, NUMEROUS HAIRLIKE PROJECTIONS FROM THE PLASMA MEMBRANE. cilia
FLAGELLA ARE LONGER AND MORE NUMEROUS THEN CILIA. less
IN MULTICELLULAR ORGANISMS CILIA AND FLAGELLA ARE THE MAJOR MEANS OF LOCOMOTION. unicellular
SPERM CELLS MOVE BY MEANS OF FLAGELLA true
Created by: asimien907