Answer: D: it has no effect on genetic variation.
Explanation:
The correct answer should be <span>biosphere, atmosphere, and geosphere
Soil belongs to geosphere just like the nutrients, the carbon dioxide belongs to the atmosphere, that is the air, and the plant is a living being which is why it belongs to the biosphere.</span>
The correct answer is actin. Microfilaments are made form a ball-shaped protein called actin. These actins are globular proteins who are the ones responsible for the formation of microfilaments. It is mostly found in the eukaryotic cells.
Answer:
A bone marrow transplant is a medical procedure performed to replace bone marrow that has been damaged or destroyed by disease, infection, or chemotherapy. This procedure involves transplanting blood stem cells, which travel to the bone marrow where they produce new blood cells and promote growth of new marrow.
Explanation: