CELL PARTS
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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What are some basic parts of cells?
organelle
What are cells that have one cell?
unicellular
What are cells that have many cells?
multicellular
What does a cells shape tell you?
It’s job or funtion
Can cells repair themselves?
Yes
What cells can’t repair themselves?
nerve cells
What are cells with no membrane bound nucleus?
Prokaryotic/Prokaryote
What are cells with a membrane bound nucleus?
Eukaryotic/Eukaryote
What are the cells smaller parts called?
organelles
What is the cell wall called?
The protective layer
What does the cell wall enclose?
plant, algae, fungi, and bacteria
What is the cell wall made of?
Tough, rigid outer layer made of cellulose (fiber)
What does the cell wall do?
protects the cell and gives it a shape
How do materials pass through the cell wall?
The pores
What is the cell membrane called?
The Doorway to the cell
What is the protective layer around all cells?
cell membrane
What do the pores do in the cell membrane?
allows nutrients like water and oxygen to enter the cell and waste like carbon dioxide to exit the cell for animal cells.
What does Semi-permeable mean?
some materials can pass through and others cannot.
What is diffusion?
Material like oxygen moving into and out of the cell, the process by which molecules move from an area of higher concentration to an area of lower concentration.
What is the nucleus called?
Brain/Control Center
What does the nucleus do?
directs all the cells activities
What does the Nuclear membrane/envelope contain?
pores
What is the Nucleolus?
little nucleus where ribosomes which produce proteins (amino acids) are made
What are chromosomes?
rod-like structures known as chromatin that contain genes which contain DNA.