Chapter 2 Study Guide

Chapter 2 Study Guide - KIN 2500 Ch 2: Cytology review...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
KIN 2500 Ch 2: Cytology review worksheet Identify these 4 main sections of the cell: 1. _________________- internal structures with specific functions that are found in the cytoplasm in the cell 2. _________________- the intracellular/extracellular boundary 3. _________________- substances between the nucleus and the plasma membrane where other structures are embedded, there is a cytoskeleton running through it 4. _________________- a specialized storage cell Functions of the PM: 1. 2. 3. 4. PM components: 1. Lipids a. ___________ a.i. Made from phosphor heads and lipid tails a.ii. Bilayer b. ___________ b.i. Carbohydrate chain attached to phospholipids c. ___________ c.i. Carbohydrate + protein d. Glycocalyx d.i. The “sugary coating” surrounding the membrane made up of the carbohydrate portions of the glycolipids and glycoproteins e. ___________ e.i. Assists in the viability of the PM 2. Integral proteins a. Controls entry and exit of material from the cell b. Pore: ______________________ c. Gated varieties of proteins: c.i. Passive leakage c.ii. Chemically gated c.iii. Voltage gated 3. Peripheral proteins a. Function: Movement across the PM: 1. ____________ (does not use ATP) a. Concentration gradient a.i. Moves to areas of __________ ____________ a.ii. Cell DOES/DOES NOT expend energy b. Diffusion b.i. Some gates always open, some randomly close
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
b.ii. Material moves according to _________ _________ c. Facilitated diffusion c.i. Involves __________ proteins d. Osmosis d.i. Specifically related to _______________________________ d.i.1. Isotonic d.i.2. Hypotonic d.i.3. Hypertonic e. Filtration e.i. Power source from OUTSIDE the cell 2. _______________ (requires use of ATP) a. Sodium potassium pump a.i. Maintains a low level of sodium INSIDE/OUTSIDE the cell and a high level of potassium INSIDE/OUTSIDE the cell
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/03/2012 for the course KIN 2500 taught by Professor Hargroder during the Spring '08 term at LSU.

Page1 / 5

Chapter 2 Study Guide - KIN 2500 Ch 2: Cytology review...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online