Microvilli - Microvilli: very small, fingerlike projections...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Microvilli: very small, fingerlike projections that project from a free surface of some cells - supported by microfilaments - increases surface for absorption Centrosome: located near nucleus; consists of centrioles & pericentriolar material - centrioles : cylindrical structures composed of 9 clusters of three microtubules (triplets) arranged in circular pattern - pericentriolar material consists of hundreds of tubulin complexes - involved in organization of spindle fibers for chromosome movement during mitosis Cilia and Flagella: composed of microtubules (9 + 2 pattern); used in movement - Cilia present in some unicellular protists ( Paramecium ) and cells of respiratory tract in animals - Flagella present in some unicellular protists ( Euglena ) and sperm cells Ribosomes: site of protein synthesis in the cell - free in cytoplasm (polyribosomes) or associated with rough endoplasmic reticulum - 2 subunits (large & small); mRNA is threaded through subunits during translation (protein synthesis) Endomembrane System:
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

Page1 / 2

Microvilli - Microvilli: very small, fingerlike projections...

This preview shows document pages 1 - 2. Sign up to view the full document.

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