Why lysosomes are know as “the cleaners” of the cell waste?

903

---

Do membranes form only the outer wrapping of cells?

922

---

What is the difference between smooth and rough endoplasmic reticulum?

911

---

What are the main components of the cytoskeleton?

918

---

What are the main structures within the cell nucleus?

884

---

What are the chemical substances that compose the plasma membrane?

877

---

What are chloroplasts? What is the main function of chloroplasts?

882

---

what substance the plant cell wall is made? Is that substance a polymer made of which monomer?

956

---

Can solutions with same concentration of different solutes have different osmotic pressures?

878

---

What is osmotic pressure?

903

---

What is the function of the plant cell wall?

896

---

What is the cell theory?

926

---

Concerning their permeability how are membranes classified?

1005

---

What is the endosymbiotic hypothesis about the origin of mitochondria? What are the molecular facts that support the hypothesis? To which other cellular organelles the hypothesis can also be applied?

891

---

What is the plasma membrane of the cell? What are its main functions?

963

---