B1 and B2 Flashcards
Examples of Eukaryotic Cells
Animal and Plant cells
Examples of Prokaryotic Cells
Bacteria
Which is bigger? Eukaryotes or Prokaryotes
Eukaryotic cells are bigger
Which is older? Eukaryotes or Prokaryotes
Prokaryotic cells are older
Which have dna? Eukaryotes or Prokaryotes
Both have DNA
How big are Eukaryotic cells
100 - 10 nano metres
How big are prokaryotic cells
1 nano metre
Hoe do you work out image size
Magnification x Real Pbject
What are the two types of stem cells
Embryonic
Adult
What are sperm cells specialised for
Reproduction
What are nerve cells specialised for
Rapid Signalling
carrying electrical signals from one part of the body to another
What are muscle cells specialised for
Contraction
What are root hair cells specialised for
Absorbing water and minerals
What are phloem and xylem cells specialised for
Transportation
What are chromosomes
Genetic information held in coils inside the nucleus
How many pairs of chromosomes are in a human cell
23
What is the cell cycle
The process of the division of cells to produce new ones
What is the first stage of the cell cycle
Growth and dna reproduction
What is the second stage of the cell cycle
Mitosis
What is mitosis
The process of the division of a cell
