By definition, communicable diseases are diseases that can be passed from one person to another. Also, not all communicable diseases are caused by bacteria only nor virus only. So therefore, the answer would be option A. The <span>statement that BEST describes common communicable diseases is this: </span><span>Most communicable diseases are either bacterial or viral and infect the respiratory tract. Hope this answer helps.
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D. Carbohydrates are made of many sugars.
Subject, ocaution, aduience, and purpose <span />
A Germ cell aka sex cell mutation can cause down syndrome when theres an extra chromosome d is a mutation caused by inserting or deletion of a nucliotide
1. is c
2. is d
Answer:
Plant cell. | Animal cell
______________________________|_____________________________
<em> 1. Cell wall is present </em>|<em> 1. Cell wall is absent</em>
<em> 2. cytoplasm is not as desnse </em>|<em> 2. Cytoplasm is dense</em>
<em> as animal cell </em>| <em> 3. Valcoule is genrally absent but if </em>
<em> 3.A large vacoule is present </em>| <em> present they are smaller in size</em>
<em> 4.Plastids are usually present </em> | <em> 4. Plastids are absent</em>
<em> 5.centrosome is absent </em>|<em> 5. Centrosome is present</em>
<em>____________________________________________________________</em>
<em>Hope this helps :D</em>
