I believe that it consists of about 3 billion letters/base pairs
<h3><u>Answer</u>;</h3>
D. The Peyer’s patches can release B cells to destroy Listeria
<h3><u>Explanation;</u></h3>
- The lymphatic system helps maintain fluid balance in the body by collecting excess fluid and particulate matter from tissues and depositing them in the bloodstream.
- It also helps defend the body against infection by supplying disease-fighting cells called lymphocytes.
- <u>The lymph contains a high number of a type of white blood cells called lymphocytes. These cells fight infection and destroy damaged or abnormal cells</u>.
The generally widely accepted first step of the scientific method is to ask a question.
This is where you think of a question which you want to do an experiment on, and then later on conduct an experiment to answer that question.
The answer is a black mamba.
The black mamba is predator typically found in central Africa. Not only that its scales are black but also an interior of its mouth. It moves very quickly and at any sudden movement, it is ready to slay its opponents through a rapid application of venomous strikes. <span>Its venom is highly toxic and it could kill a man for 10-15 hours after the bite if antivenom is not applied.</span>