Shared Flashcard Set

Details

Chapter 7
Chapter 7 Prentice Hall Biology
21
Biology
9th Grade
10/02/2010

Additional Biology Flashcards

 


 

Cards

Term
The Cell Theory
Definition
1. all known living things are made up of cells.
2. the cell is structural & functional unit of all living things.
3. all cells come from pre-existing cells
Term
Prokaryotes
Definition
(Bacteria) Cells have genetic material not contained in nucleus
Term
Eukaryotes
Definition
(Not Bacteria) Contain a nucleus *genetic separated from rest of C)
Term
Organelles
Definition
Little organs
Term
Cytoplasm
Definition
Portion of the cell outside the nucleus
Term
Nuclear Envelope
Definition
Two membranes surrounding nucleus
Term
Nucleus
Definition
Large membrane-enclosed structure that contains DNA
Term
Chromatin
Definition
Granular material visible inside nucleus
Term
Chromosomes
Definition
Distinct thread-like structures contain genetic info passed on ldor va dor.
Term
nucleolus
Definition
small dense region in the nucleus where ribosomes are assembled.
Term
Ribosomes
Definition
Where protein are assembled on
Term
Endoplasmic Reticulum
Definition
Site where lipid components of the cell membrane are assembled
Term
Golgi Apparatus
Definition
Golgi Apparatus modifies, sorts, and packages proteins.
Term
Lysosomes
Definition
Small organelles filled with enzymes
Term
Vacuoles
Definition
Saclike cells that store water, salts, proteins, and carbs
Term
Mitochondria
Definition
Organelles that convert food chemical energy into compounds more convenient for cell to use
Term
Chloroplasts
Definition
Organelles that capture energy from the sunlight and convert it to chemical energy through photosynthesis.
Term
Cytoskeleton
Definition
Network of protein filaments that helps the cell to maintain its shape. (Also involved in movement)
Term
Microfilaments
Definition
Threadlike structures made of actin
Term
Microtubes
Definition
Hollow structures made of tubulins
Term
Centrioles
Definition
Near the nucleus to help organize cell division. (Not found in plant cells)
Supporting users have an ad free experience!