Answer:
B) Mitochondrion
Explanation:
Mitochondria play a pivotal role in apoptosis. Apoptosis or programmed cell death can be initiated by both intracellular and extracellular signals. Mitochondria are responsible for mediating apoptosis initiated by intracellular signals. These are membrane-bound, rod-shaped organelles found in most eukaryotic organisms.
Your answer is A. The answer is not B or D because brass is not yet recognized as a mineral more of an alloy, and copper is a chemical element, so A must be the answer.
( PS: where is option choice C? )
Hope this helps, if not, comment below please!!!!
A protein that has the same function as another protein but which is encoded by a different gene and may have small differences in its sequence
Answer: False
Tropic rain-forest resides within the tropic of cancer and tropic of Capricorn, there are also rain forest in temperate areas between the tropics of cancer and Capricorn .Tropical rain forest has hundreds of tree species but temperate rain forest have only about 10-20 tree species . Temperate rain forest mostly have most animal insect and reptile life at ground level but in tropical rain forest life spans from the ground to tree tops
True.
<span>The trachea is about 10 cm long and it has an approximate diameter of 2 cm. It is located anterior to </span>(in front of) the esophagus and posterior to (behind) the isthmus of the thyroid. The right and left main bronchi are branches of the trachea. This division occurs at the level, or just below the level, of the sternal angle, also known as the manubriosternal joint.