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bio204.s1.d37

cava bio 204 s1.d37 3.06 Cell Membrane Structure

QuestionAnswer
The cell [...] is the gatekeeper into and out of the cell. The cell membrane is the gatekeeper into and out of the cell.
Cell membranes are largely composed of [-s]. Cell membranes are largely composed of phospholipids.
A phospholipid is a [...] where one of the fatty acids is replaced with a phosphate group. The phosphate group sits at the top, forming the 'head', while the two fatty acids dangle down below as the 'tails' A phospholipid is a triglyceride where one of the fatty acids is replaced with a phosphate group. The phosphate group sits at the top, forming the 'head', while the two fatty acids dangle down below as the 'tails'
In a phospholipid, the phosphate head is [-ic] (water-loving), while the fatty acid tails are [-ic] (water-fearing) In a phospholipid, the phosphate head is hydrophilic (water-loving), while the fatty acid tails are hydrophobic (water-fearing)
The chemical properties of phospholipids cause them to naturally arrange themselves in a [...]. In this arrangement, the hydrophobic tails point in toward one another and the hydrophilic heads point out. The chemical properties of phospholipids cause them to naturally arrange themselves in a bilayer. In this arrangement, the hydrophobic tails point in toward one another and the hydrophilic heads point out.
The cell membrane is [semi-] (semi=half), or selectively [...]; some things can pass through (permeate), while others can't. The cell membrane is semipermeable (semi=half), or selectively permeable; some things can pass through (permeate), while others can't.
In addition to lipids, the cell membrane also includes many different kinds of [p-] that are embedded within the phospholipid layer. Some of these [p-] help transport materials into and out of the cell. In addition to lipids, the cell membrane also includes many different kinds of proteins that are embedded within the phospholipid layer. Some of these proteins help transport materials into and out of the cell.
Your blood type is determined by a type of [...] on the surface of your red blood cells. Your blood type is determined by a type of carbohydrate on the surface of your red blood cells.
Glycolipids are (as the name suggests) [-s] bonded to lipids. (glyco=sugar) Glycolipids are (as the name suggests) carbohydrates bonded to lipids. (glyco=sugar)
In most cells, the interior of a cell is supported by a network of protein fibers called a [...] (cyto=cell + skeleton). In most cells, the interior of a cell is supported by a network of protein fibers called a cytoskeleton (cyto=cell + skeleton).
The [...] is made of several different types of structures: microtubules (tiny little tubes), actin microfilaments (tiny fibers), and intermediate filaments. The cytoskeleton is made of several different types of structures: microtubules (tiny little tubes), actin microfilaments (tiny fibers), and intermediate filaments.
The Cytoskeleton: 1. supports the cell's [...] 2. provides anchor points for organelles 3. helps a cell to move 4. helps move materials around in the cell The Cytoskeleton: 1. supports the cell's shape 2. provides anchor points for organelles 3. helps a cell to move 4. helps move materials around in the cell
The Cytoskeleton: 1. supports the cell's shape 2. provides anchor points for [...] 3. helps a cell to move 4. helps move materials around in the cell The Cytoskeleton: 1. supports the cell's shape 2. provides anchor points for organelles 3. helps a cell to move 4. helps move materials around in the cell
The Cytoskeleton: 1. supports the cell's shape 2. provides anchor points for organelles 3. helps a cell to [...] 4. helps move materials around in the cell The Cytoskeleton: 1. supports the cell's shape 2. provides anchor points for organelles 3. helps a cell to move 4. helps move materials around in the cell
The Cytoskeleton: 1. supports the cell's shape 2. provides anchor points for organelles 3. helps a cell to move 4. helps move [...] around in the cell The Cytoskeleton: 1. supports the cell's shape 2. provides anchor points for organelles 3. helps a cell to move 4. helps move materials around in the cell
Cotton is a fiber almost entirely composed of the carbohydrate [...], which is one of the main components of a plant cell wall. Cotton is a fiber almost entirely composed of the carbohydrate cellulose, which is one of the main components of a plant cell wall.
The cells of some organisms—including plants, fungi, bacteria, and algae—produce a rigid structure called a cell [...], which surrounds the cell membrane. The cells of some organisms—including plants, fungi, bacteria, and algae—produce a rigid structure called a cell wall, which surrounds the cell membrane.
The cell membrane and the cell wall are [...] the same thing! The cell membrane and the cell wall are NOT the same thing!
The tissues in your body are not entirely made up of cells packed together like tiles in a floor. The area between cells is called extracellular space, and much of this space is taken up by a structure called the [...]. The tissues in your body are not entirely made up of cells packed together like tiles in a floor. The area between cells is called extracellular space, and much of this space is taken up by a structure called the extracellular matrix.
In plants and algae, photosynthesis takes place on the inner membranes of organelles called [-s]. In plants and algae, photosynthesis takes place on the inner membranes of organelles called chloroplasts.
Created by: mr.shapard