Nucleic acids<span> are long polymers of repeating </span>subunits<span> called nucleotides. Each nucleotide is made </span>up<span> of three smaller building blocks (Figure 17): Figure 17 The structure of a nucleotide and the formation of </span>nucleic acid<span> chains.</span>
Basically all of the choices given are failure of negative feedback mechanisms to maintain homeostasis. The correct option among all the options that are given in the question is the last option or option "E". I hope that this is the answer you were looking for and it has come to your help.
The Sun provides energy for the plants (producers) to grow. Herbivores (primary consumers) then eat the producers for energy. Any animals that eat the herbivores are considered secondary consumers. As this cycle continues, energy is lost to the environment as heat.
Bloodborne pathogens are microorganisms, <em>for example, infections or microbes that are conveyed in blood and can cause sickness in individuals.</em>
There are a wide range of bloodborne pathogens including <em>intestinal sickness, syphilis, and brucellosis, however Hepatitis B (HBV) and the Human Immunodeficiency Virus (HIV) are the two ailments explicitly tended to by the OSHA Bloodborne Pathogen Standard.</em>
Washing hands when patient contact appears to be a basic answer for forestall the spread of microorganisms between patients.
<em>Hand washing (or handwashing), otherwise called hand cleanliness</em>, is the demonstration of cleaning hands toexpel soil, earth, and microorganisms.
The fundamental clinical reason for washing hands is to purge the hands of <em>pathogens (microscopic organisms, infections, or different microorganisms that can cause sickness).</em>