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39 Cards in this Set

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This type of microscope scatters electrons off the sample and is used to look at surface details of cells and other structures___________.
Scanning electron Microscope
Molecular machine that makes protein molecules are called?
Ribosoomes
A continual exchange in materials takes place between _______________,________________,______________ and the ________________.
Endoplasmic Reticulum, Golgi apparatus, Lysosomes and Outside cell
What are organelles?
separate recognizable substructures that are hard to see under a microscope.
Membrane surronding the organelles are called____________.
Internal Membrane
Recieves and often modifies chemically the molecules made in the endoplasmic reticulum is the __________________.
Golgi Apparatus
__________ have the simplest structure and come closes to showing us life stripped down to its essentials.
Bacteria
This type or microsope looks at thin sections of tissue and transmits beams of electrons rather than light ___________.
Transmission electron microscope
The external membrane is called the______________.
Plasma Membrane
The organells that generate energy fo the eucaryotic cell_______________. Appears sausage like. Contain their own DNA and reproduce by dividing into two.
Mitochondria
The work of Prokaryotes is divided into two domains: ____________ and ___________.
Eubacteria and Archaea
Nucleus
The most prominent organell in a eukaryotic cell.
Cytoplasm
Clear liquid that holds the organelles.
Large green organells that are found only in the cells of plants and algae. Contain their own DNA and reproduce by dividing into two.
Chloroplasts
What does Prokaryotes lack?
Nucleus
_________ are typically spherical, rodlike, or corkscrew-shaped, small and contains a protective coat.
Bacteria
An irregular maze of interconnected spaces enclosed by a folding membrane is the ____________.
Endoplasmic Reticulum
Site where most cell membrane components, as well as materials destined for export from cell are made in the ___________________.
Endoplasmic Reticulum
Stacks of flattened membrane-enclosed sacs are ____________.
Golgi Appratus
What does Eukaryote contain?
Nucleus
_____________ are small irregularly shaped organelles in which intracellular digestion occurs, releasing nutrients from food particles and breaking down unwanted molecules for recycling and excretion.
Lysosomes
_____________ are small, membrane-enclosed vesicles that provided a contained environment for reactions with Hydrogen peroxide.
Peroxisomes
_____________ are the most diverse of cells.
Prokaryotes
The process for which cells are engulfed into the cell is called?
Endocytosis
The process for which the cells contents are released from the cell is called?
Exocytosis
what has a double membrane bound organelle and contains chromosomes?
Nucleus
What membrane bound organelle is the site of oxidative phosphorylation?
Mitochondrion
What large green membrane bound organelle is the site of Photosynthesis?
Chloroplasts
What large membrane structure is the site of protein synthesis and modification and membrane synthesis?
Endoplasmic Reticulum
What membrane bound organelle modifies proteins and directs proteins to other locations in the cell or to the outside.
Golgi Apparatus
What membrane bound organelle is the site of intracellular digestion?
Lysosomes
What membrane bound organelle contains hydrogen peroxide used in various chemical reactions.
Peroxisomes
Located outside the nucleus and other organells this concentrated aqueous gell of large and small molecules is called.
Cytosol
A network of filaments giving the cell shape and form is called____________?
Cytoskeleton
Thinest of the filaments are called____________.
Actin filaments
This filament generates contractile forces within the cell.
Actin Filament
Thickest filaments are called ____________.
Microtubules
This filament helps pull the duplicated chromosomes in opposite directions and distributes them equally to the daughter cells.
Microtubules
What filament serves to strengthen the cell mechanically?
Intermediate filament