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?

842

---

Is there any bacteria made of more than one cell?

998

---

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

976

---

What are the three main parts of a eukaryotic cell?

926

---

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

866

---

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

1084

---

Are there living beings without cell?

969

---

What is diffusion?

1113

---

What are the functions of the cytoskeleton?

912

---

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

1159

---

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

961

---

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

1022

---

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

968

---

What is the difference between osmosis and diffusion?

1079

---

How are solutions classified according to their comparative tonicity?

987

---