Question

Please answer these questions.
1) Which of the following areas in a secondary lymphoid organs allows intimate contract between blood and the lymphocytes?
2) An ATP molecule is made up of which of the following?
Phosphate groups, ribose sugar, adenine base, phosphate groups,deoxyribose sugar, thymine base Carboxylic group, ribose sugar, adenine base .
3) Wind driven ocean waves expand energy.
4) Mitosis is responsible for growth, repair, and maintenance in an organism because..?


Please answer. ...I need urgent.!!

Answer 1

2) phosphate group, adenosine purine base.

3)it's wind waves or wind generated waves blowing over a surface of a sea. travels thousands of miles.

4) Growth, repair and maintenance in all these three, newly formed cells r required.

mitosis is a process of forming new cells from the older cells. it's a process of cell devision.

hope it's useful.

all the best