Answer:
Hydrogen sulfide or methane
They use methane as an energy source
The answer is C) researchers employed by the environmental protection agency
Answer:
By knocking out genes responsible for certain conditions it is possible to create animal model organisms of human diseases. As well as producing hormones, vaccines and other drugs , genetic engineering has the potential to cure genetic diseases through gene therapy.
Explanation:
Believe it!!
A portal of entry<span> is the site through which micro-organisms enter the susceptible host and cause disease/infection. Infectious agents enter the body through various </span>portals<span>, including the mucous membranes, the skin, the respiratory and the gastrointestinal tracts.</span>
Answer:
Proteins.
Explanation:
They are called membrane proteins.