Hofstra University Anatomy and Physiology I BIO 103 Laboratory Glossary of Cellular Organelles.docx

This preview shows page 1 - 3 out of 4 pages.

Hofstra UniversityBIO 103: Human Anatomy and Physiology IGlossary of Cellular OrganellesDr. Emanuel J. PeptoneCells are the smallest living organismThey are enclosed in a plasma membrane and this membrane controls the movement of solute in and out of the cellMultinucleate cant reproduceOne or more per cellSpherical shapeDenser than surrounding cytoplasmChromosomes #12- Usually in the form of chromatin- Controls the activity of the cell and carries genetic information- Composed of DNA and protein- Thicken for cellular division- Set number per species (i.e. 23 pairs for human)-chromosome: tightly coiled cell’s DNA (cells dividing)-chromatin: loosely coiled DNA (cells not dividing)Nuclear Membrane #- Surrounds nucleus and connects to the Endoplasmic Reticulum- Composed of two layers- Numerous openings or pores for nuclear traffic-Messenger RNA goes through the nuclear pores
Nucleolus #4- Spherical shape- Visible when cell is not dividing- Contains RNA for protein manufacture#1

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 4 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Fall
Professor
N/A

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture