2.1.1 Eukaryotic Cell Structure Flashcards
Phrase to describe permeability of the cell membrane
Partially permeable
Describe the apperance of the nucleus
- Strands of linear DNA wrapped around histones (chromosomes)
- Surrounded by a double membrane
Role of nucleus
Stores DNA, which codes for proteins and functional RNA’s
What organelle contains a nucleolus, and what is it’s function and role
- Nucleus
- Dense reigon of DNA and protein
- Synthesises ribosomes
Describe the apperance of the mitochondria
- Rod-shaped
- Outer-membrane
- Inner membrane folded into cristae
- Contains a fluid matrix
Does the nucleus have a double or single membrane
Double
Does the mitochondria have a double or single membrane
Double
Role of the mitochondria
- Site of aerobic respiration
- Releasing ATP
What does the fluid matrix of the mitochondria contain
- Enzymes
- 70s ribosomes
- Circular DNA
Draw and label a mitochondria
Describe the apperance of chloroplasts
- Disc-shaped
- Double membrane surrounding a fluid stroma
- Contains stacks of thylakoids which hold chlrophyll
What does the fluid stroma of a chloroplast contain
- Enzymes
- 70s ribosomes
- Circular DNA
Does the chloroplast have a double or single membrane
Double
Describe the function of chloroplasts
- Chlorophyll absorb light energy
- Site of photosynthesis
Draw and label a chloroplast