What is the plasma membrane of the cell? What are its main functions?
What are the colors (of the electromagnetic spectrum) absorbed by plants? What would happen to photosynthesis if the green light waves that reach a vegetable were blocked?
Is there any bacteria made of more than one cell?
What are the two big groups into which cells are classified?
What are the three main parts of a eukaryotic cell?
Which type of cell came first in evolution the eukaryotic cell or the prokaryotic cell?
Which are the cell organelles that participate in the cell division and in the formation of cillia and flagella of some eukaryotic cells?
Are there living beings without cell?
What is diffusion?
What are the functions of the cytoskeleton?
What is the molecule responsible for the absorption of photic energy for photosynthesis? Where is that molecule located in photosynthetic cells?
What are the morphological, chemical and functional similarities and differences between lysosomes and peroxisomes?
Concerning the presence of nucleus what is the difference between animal and bacterial cells?
Where in the cell can ribosomes be found? What is the main biological function of ribosomes?
What is the difference between osmosis and diffusion?