Chapter 1-Cells Flashcards
(24 cards)
What is one difference between an animal and plant cell
Plant cells have chloroplasts whereas animal cells do not
Describe the mitochondria.
The mitochondria Is the powerhouse and delivers energy to the cell
What is the cell membrane?
An outer covering on a cell
Every cell has a gelatin like material. what is this?
Cytoplasm.
What decide cytoplasm do?
has hereditary material; controls the life of the cell
What are the two cell types?
Prokaryotic(no membrane)and Eukaryotic(Membrane-bound structure)
What are cell walls?
Tough rigid outer covering; protect cell give it shape
What are organelles?
Structures that process energy and manufacture substances needed by the cell or other cells.
What are most organelles surrounded by
Membranes
What is usually the largest organelle in the cell?
The nucleus.
What organelle directs all cell activities?
The nucleus
What nucleus contain?
Instructions for everything the cell does.
Instructions for the cell are found on what?
DNA
DNA is the chemical that contains what?
The code for the cell structure and activities
What is a chromosome
Hereditary material coiled tightly around proteins
What structure is in the found nucleus?
The nucleous
Chloroplasts contain what
Chlorophyll,the green pigment, which gives many plants their green colour
Where is energy in food stored until it’s released?
Mitochondria
What does the Mitochondria release
Energy for use by the cell
Proteins a part of what?
Cell membranes
Ribosomes do what?
Cells use them to make protein
True or false.
ribosomes are not membrane-bound
True
Where are ribosomes Made at?
The. Nucleus
Where do ribosomes receive directions from?
Hereditary material In the nucleus
