What is the relation between the concepts of chromatin and chromosome? Are euchromatin and heterochromatin part of chromosomes?
What are some examples of movement created by the contraction of sarcomeres of the muscle cells?
What is cytoskeleton? What are its main constituents in animal cells?
Which cell organelles are well-developed in secretory cells?
Which are the molecules that make possible active transport through membranes?
How does facilitated diffusion present similarities with enzymatic chemical reactions?
Of what substances is the nucleolus made? Is there a membrane around the nucleolus?
How is the fluid that fills the nucleus called?
What is meant by suction force of the plant cell? Does the suction force facilitate or make difficult the entrance of water in the cell?
What is deplasmolysis of plant cells?
What are cilia and flagella? How do these structures acquire movement? What are some examples of ciliated and flagellated cells in humans?
What is the formula of the DPD for withered (shrank) plant cells? How is that situation possible?
What is heterophagic intracellular digestion? How is this process accomplished?
What is mass transportation across the cell membrane?
How does the sodium-potassium pump present in the cell membrane work? What is the importance of this protein for the cell?
