Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment. For example, treefrogs are sometimes eaten by snakes and birds.
The <em>S. salivarius</em> is chosen because it the predominant gram positive bacteria that colonizes the oral cavity shortly after birth.
<h3>What is PCR?</h3>
Polymerase chain reaction(PCR) test is a type of test that is used to identify a particular deoxyribonucleic acid of an organism.
<em>Streptococcus salivarius</em> cannot be cultured especially when the test sample is contaminated with other body normal flora.
The steps of PCR testing include the following:
- Annealing Primer to Target Sequence
- End of the First PCR Cycle
On a crime scene, the specimen that can be used for PCR testing are blood and body secretions.
PCR testing can be done on a scene with blood spills.
Learn more about gel electrophoresis here:
brainly.com/question/6885687
#SPJ1
The answer could be 5.4, 5 2/5, or 27/5.
It is called the seed coat
spongy bone is found in the bones of the skull, sternum, vertebrae, the pelvis, the lining of the marrow cavity and the epiphysis.
