Answer:
The answer is C. The cell took in another ancient prokaryotic cell, which began living inside it.
Explanation:
- The Endosymbiont Theory explains the evolution of membrane bound organelles such as mitochondria and chloroplasts.
- According to the theory, mitochondria evolved when an ameoba like organism engulfed bacteria capable of cellular respiration.
- Similarly, chloroplasts were developed when the ameoba like organism engulfed cyanobacteria or blue-green algae capable of photosynthesis.
- These organisms survived inside the ameoba over millions of years to develop into mitochondria and chloroplasts.
- The fact that mitochondria and chloroplasts have their own circular DNA and ribosomes is evidence of the endosymbiont theory.
Answer:
none of the answers
Explanation:
the answer is supposed to be catabolism
Answer:
The appendix belongs to immune and lymphatic system of the body.
Explanation:
The appendix is considered as a vestigial organ, but it has some important role in the immune and lymphatic system of the human body. It acts as a reservoir of gut bacteria, which replenishes the bacterial population in the gut after certain illness of the body like dysentery, cholera, etc. It helps in the production immunoglobulin A (IgA) antibodies and in the maturation of B lymphocytes.
Answer:
Here are you answers for all the question!!
Explanation:
1. B
2. B
3. A
4. C
5. B