the flexible layer of the cell that allows materials in or out
cell membrane
the stiff outer layer of plant cells
How many cell types exist?
2
All living things are made of _________.
CELLS
Cells are the building blocks of ______.
Life.
Which organelles make protein?
Ribosomes
the liquid filling in all cells
cytoplasm
What cell type is multicellular?
Eukaryotic
According to the cell theory, all cells come from _____________.
What are lipids?
fats
The control center of a cell where the DNA is stored
Nucleus
What organelle stores water, waste, and other materials?
Vacuole
Most bacteria are what type of cell?
Prokaryotic
There are 6 main characteristics of life. Name 2 of them.
Responds. Reproduce. Has cells. Maintains homeostasis. Uses energy. Grow/Develop.
How many types of body cells exist in animals?
(blood cell, bone cell, etc)
Around 200
What organelle breaks down and recycles cell parts?
Lysosomes
What two things does the ER produce and transport?
Proteins and lipids
Name 3 differences between plant and animal cells
1. plants have a cell wall
2. plants have chloroplasts
3. Plants have a large vacuole & animals have several small vacuoles
4. plant cells are often square
What are the two types of reproduction?
Sexual (2 organisms)
Asexual (1 organism)
Along with a flagella (tail), what other 3 organelles do prokaryotes have?
Ribosomes, cell membrane, and cytoplasm
The nucleus contains DNA (genetic information).
What is another name for the strands of DNA in the nucleus?
Chromosomes/Chromatin
What 2 things do chloroplasts need?
What do chloroplasts produce?
They need sunlight and CO2 to produce food energy for plants.
Name 4 types of organisms that can be eukaryotic
What is homeostasis?
The ability to keep steady (healthy) internal conditions
Life is made up of cells. Cells are made of macromolecules. There are 4 macromolecules:
1. DNA (nucleic acids)
2. Proteins
3. Lipids
4. ???
Carbohydrates