Answer: centrioles and centrosomes
Explanation:
Centrioles are small granules found near the nucleus of ONLY animal cells from which flagella and cilia arise. Its functions include
- helping in cell division
- serving as basal body
Centrosomes also is located near the nucleus of animal cells and arranges microtubules. Its function is mainly giving protection to cell.
Answer: Option D
Explanation:
Restrictive lung disease or disorder are the condition of the extrapulmonary, or parenchymal respiratory disease that resists the expansion of lungs.
This leads to decrease in the lung volume, inadequate ventilation and decreased lung volume and increased work of breathing.
It is also characterized by the decreased residual volume. In this case the amount of air is not expired out completely due to restrictive respiratory disorder.
There are 4 valence electrons
a point mutation only mutates and changes that particular spot in the DNA strand while a frameshift changes the whole strand by moving the bases either one forward or backward
