Answer:
Purple, spherical-shaped organisms arranged in chain like formations.
Explanation:
Bacteria are the microscopic organisms and included in the prokaryotes as they do not have nucleus. Two main types of bacteria are gram positive bacteria and gram negative bacteria.
The gram positive bacteria has thick cell wall peptidoglycan cell layer and can uptake the crystal voilet stain. These bacteria seems purple under the microscope due to the uptake of stain. The bacteria Streptococcus pyogenes are spherical in shape and occurs in the cluster of chain.
Thus, the correct answer is option (d).
Answer:
there is no question. we have nothing to work with besides a graph and a cut-off sentence.
Explanation:
The intervertebral discs, which are between vertebrae, are the parts that prevent the vertebrae from grinding against one another.
The intervertebrals discs act as a cushion; they absorb the stress and shockw that occur during movement, preventing such grinding.
Answer:
B.
Explanation:
Because a Longitudinal wave is a wave vibrating in the direction of propagation.
Nowadays, different countries are constantly emerging and
expanding their liabilities which may include the field of medicine. The
disease that is being discussed by the instructor that is considered nearly
eradicated is probably the measles. This disease is caused by Paramyxovirus which
is a major respiratory pathogen among infants and young children. Measles is
also known as “rubeola virus”, an acute, highly respiratory symptoms and a
maculopapular rash that affects the mouth, head, body and extremities. It
begins with the appearance of Koplik spots which may end up to some
complications like symptomatic encephalitis and subacute sclerosing
panencephalitis(SSPE). In order to prevent this type of disease MMR(Measles, Mumps
& Rubella) Vaccine is needed. According to some of the reports, it is still
common to some of the countries, but WHO campaigns to eradicate the disease worldwide
by the year 2020.
