Answer:
The correct answer is number one: <em>Filamentous rotating structures that provide motility may be singular, paired or scattered.</em>
Explanation:
Flagella are organelles defined by function rather than structure.
The primary function is that of locomotion but also being sensitive to chemicals and temperatures outside the cell.
Helicobacter pylori is a good example of flagella: It uses multiple flagella to propel itself through the mucus lining to reach the stomach epithelium.
Sperm cell is a good example, which uses its flagellum to propel itself through the reproductive tract of females.
I hope it helps!
No idea but hopefully this cheers you up!
Answer:
C.
Because plants reproduce like humans. It may seem like it is the wrong answer but it is right. I learned this in eighth grade my guy.
Explanation:
Quite sure C is correct ;) remember that humans are also placental mammals.
No, because the immune system is already battling with the virus or disease
