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?

753

---

Is there any bacteria made of more than one cell?

882

---

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

855

---

What are the three main parts of a eukaryotic cell?

824

---

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

780

---

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

971

---

Are there living beings without cell?

840

---

What is diffusion?

960

---

What are the functions of the cytoskeleton?

818

---

What is the molecule responsible for the absorption of photic energy for photosynthesis? Where is that molecule located in photosynthetic cells?

1047

---

What are the morphological, chemical and functional similarities and differences between lysosomes and peroxisomes?

850

---

Concerning the presence of nucleus what is the difference between animal and bacterial cells?

905

---

Where in the cell can ribosomes be found? What is the main biological function of ribosomes?

854

---

What is the difference between osmosis and diffusion?

911

---

How are solutions classified according to their comparative tonicity?

840

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