This is known as the double helix.
There are no directions…
        
             
        
        
        
Of the steps included in the scientific method, Shameka is performing step five, which is to<u> test your hypothesis by performing an experiment</u>. 
The scientific method is the globally accepted process by which to make scientific claims. This method includes seven steps which are:
- Ask a question
- Do research
- Create a hypothesis
- Design an experiment to test the hypothesis
- Perform the experiment
- Study the results and make a conclusion
- Communicate the results to your peers. 
The question states that Shameka is <u>gathering samples from nearby water sources</u>, therefore she is in the process of testing her hypothesis through experimentation, which corresponds to step 5 of the scientific design.
To learn more visit:
brainly.com/question/1452319?referrer=searchResults
 
        
             
        
        
        
C. They are not enclosed by a membrane. 
D is incorrect because Ribosomes do not contain DNA, the nucleolus does.
B is also incorrect because they aren't located outside the cell, they're in the cell, on the endoplasmic reticulum.
Hoped this helped :)
        
                    
             
        
        
        
A fever is an abnormal elevation of the body temperature. A low to moderate fever, when a low to moderate fever, when allowed to run its course, can be beneficial. fever can promote interferon activity. Fever can also accelerate tissue repair. lastly, fever will inhibit the reproduction of bacteria and viruses. 
It is important to note that fever is not an illness, however, it is a symptom, or sign that your body is fighting an illness or infection. Fever stimulates the body's defenses, sending white blood cells and other "fighter" cells to fight and destroy the cause of the infection.