Cells and cell specialisation

Question 1

What are the ribosomes used for?

Answer 1

They are used for protein synthesis.

Question 2

What are mitochondria used for?

Answer 2

They are tiny structures where respiration takes place, releasing energy for cell processes.

Question 3

What are lower epidermis cells ?

Answer 3

Lower epidermis cells are guard cells and have stomata inbetween. CO2 enters during the day. O2 leaves during the night.