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.
Answer:
the answer is all of them
Explanation:
Answer:
The tilt of Earth's axis affects the angle of sunlight on Earths surface.
Explanation:
Explanation:
human male reproductive system produces gamets known as sperm which are capable of flagellated movement