Answer:
3. Polysaccharide carbohydrate
EXPLANATION:
The POLYSACCHARIDE capsule of Streptococcus Pneumoniae is the major virulence factor in it's invasion and subsequent infection.
The capsule helps to avoid phagocytosis which is a defence mechanism by the body.
The polysaccharide capsule also gives the bacterial organism several serotypes.
The pneumococcal vaccine is derived from the organism's capsule.
<span>It gathers information about, also responds to, changes in the environment. Receptors respond to a stimulus and send impulses along sensory neurons to the CNS(Central Nervous System).
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Answer:
Nitrogen
Explanation:
The nitrogen cycle involves trapping a gas in to compounds in the soil.
If you go on mc3.edu/admissions/applying-to-mccc/testing-and-assessment/assets/biology-placement-test.pdf page 11 it will tell you all the answers to your questions....
Victims with sleep apnea often stop breathing 20 times per hour.
