Textbook Notes (368,432)
United States (206,039)
BIOL 2051 (13)
All (13)
Chapter 2

Chapter 2 Notes

7 Pages
113 Views
Unlock Document

Department
Biological Sciences
Course
BIOL 2051
Professor
All Professors
Semester
Winter

Description
Chapter 2 Observing the Microbial Cell1Chapter 2 Observing the Microbial CellRead Section 2126SIZE OF PROKARYOTESProkaryotes are generally smaller than eukaryotesSmall size allows nutrients to reach all parts of cell quicklyProkaryotic cells can be as small as 02mThe smallest eukaryotic cells are 2m Coccitypically have diameter of 2 mSome microbiologists have proposed that bacteria smaller than 02 m exist in nature cells referred to as nanobacteriaIf one considers the space needed to house all essential molecules of life it is unlikely they could exist within a volume available in a cell less than 01 mProkaryotic cells can have a wide variety of cellular morphologies which are often helpful in identificationBacterial Shapes1Simplest shape is sphereosingularcoccus opluralcoccioArrangementCoccus single cells Diplococcus 2 cellsStreptococcuschains ofmore than 2 cells Staphylococcus grapelike cluster of cellsTetrads packets of 4 cells2Most common shape is rodsFigure oSingular bacillus26bacillioPlural oCan be very longthin or shortfatoOccur singly or in chains3SpiralsoRigid spiralshaped bacteria are called spirilla singularspirillumoFlexible spiralshaped bacteria are called spirochetesoVibriocurved rods
More Less

Related notes for BIOL 2051

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit