Justify the statement, “Mitochondria are power houses of the cell”.
Prokaryotic cell | Eukaryotic cell |
$(1)$ It lacks organized nucleus. | $(1)$ It possesses organized nucleus. |
$(2)$ Nuclear membrane is not seen. | $(2)$ Nuclear membrane is seen. |
$(3)$ DNA does not form complex with Histone protein. | $(3)$ DNA forms complex with Histone Membrane bound organelles are not seen. |
$(4)$ Membrane bound organelles are not seen like mitochondria | $(4)$ It possesses membrane bound chloroplasts |
$(5)$ Cytoplasmic movement is not seen. | $(5)$ Cytoplasmic movements are observed. |
$(6)$ Cell division is not like meiosis or mitosis. | $(6)$ Cell division is like meiosis or mitosis. |
What are plasmids ? Describe their role in bacteria ?
Name two cell-organelles that are double membrane bound. What are the characteristics of these two organelles? State their functions and draw labelled diagrams of both.
The given diagram shows the sectional view of a mitochondrion.
Identify the parts labelled as $A , B , C , D\; \& \; E$
Explain structure of granum.
The bright colours of ripe fruits are due to