What are the three main types of passive transport?

854

---

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

823

---

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

861

---

What is the difference between chromatin and chromosome?

846

---

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

842

---

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

858

---

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?

836

---

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

917

---

What is the endosymbiotic hypothesis about the origin of mitochondria?

897

---

Where in the cell can ribosomes be found?

785

---

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

824

---

What are the substances that constitute the chromatin?

842

---

What is the main biological function of ribosomes?

876

---

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

957

---

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

824

---