What are the three main types of passive transport?

899

---

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

893

---

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

937

---

What is the difference between chromatin and chromosome?

895

---

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

897

---

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

929

---

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?

892

---

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

975

---

What is the endosymbiotic hypothesis about the origin of mitochondria?

951

---

Where in the cell can ribosomes be found?

836

---

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

881

---

What are the substances that constitute the chromatin?

906

---

What is the main biological function of ribosomes?

935

---

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

1008

---

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

884

---