What are the three main types of passive transport?

939

---

What is the energy source used in active transport through biological membranes?

931

---

What is the difference between simple and facilitated diffusion? Facilitated by which type of molecule does the term “facilitated” mean?

1004

---

What is the difference between chromatin and chromosome?

949

---

How does the intensity of facilitated diffusion vary in relation to the concentration of the moved substance? What is the limiting factor?

959

---

How does the intensity of simple diffusion vary in relation to the concentration gradient of the moved substance?

976

---

Without saturation of transport proteins and under same concentration gradient how can the speed of simple diffusion be compared to the speed of facilitated diffusion?

951

---

What are the molecular facts that support the hypothesis? To which other cellular organelles the hypothesis can also be applied?

1021

---

What is the endosymbiotic hypothesis about the origin of mitochondria?

993

---

Where in the cell can ribosomes be found?

883

---

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

923

---

What are the substances that constitute the chromatin?

956

---

What is the main biological function of ribosomes?

977

---

What would happen to photosynthesis if the green light waves that reach a vegetable were blocked?

1054

---

What are the colors (of the electromagnetic spectrum) absorbed by plants?

926

---