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

885

---

What is osmotic pressure?

915

---

What is the function of the plant cell wall?

908

---

What is the cell theory?

935

---

Concerning their permeability how are membranes classified?

1016

---

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?

905

---

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

973

---

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?

804

---

Is there any bacteria made of more than one cell?

937

---

What are the two big groups into which cells are classified?

933

---

What are the three main parts of a eukaryotic cell?

900

---

Which type of cell came first in evolution the eukaryotic cell or the prokaryotic cell?

833

---

Which are the cell organelles that participate in the cell division and in the formation of cillia and flagella of some eukaryotic cells?

1029

---

Are there living beings without cell?

922

---

What is diffusion?

1053

---