Cell theory states that all living things consist of cells which are either prokaryotic or eukaryotic. As microscopy has developed our knowledge of their structure has improved.
Where in a cell do many of the chemical reactions take place?
What is the function of the nucleus?
To control what enters and leaves the cell
To contain genetic information and code for protein production
To carry out aerobic respiration
Calculate the total magnification for an object viewed using a light microscope where the eyepiece lens is x10 and the objective lens is x20.
Which of these organelles is found in both eukaryote and prokaryote cells?
What is the function of the chloroplasts in plant cells?
Which of these statements is part of cell theory?
All cells are formed from pre-existing cells
Only some living things are made of cells
Different cells have different basic chemical compositions
Which organelle controls the substances which can enter and leave the cell?
What is the function of a plasmid in prokaryotic cells?
To carry out photosynthesis
To transfer genetic material from one cell to another
Which scientist proposed the cell theory with Theodor Schwann?
Antonie van Leeuwenhoek
Which of these is a limitation of an electron microscope?
It can only examine dead tissue
It can only magnify up to x2000
Its resolution is limited to 200 nm