Answer:
option D
Explanation:
Negative feedback is a mechanism in which function of a cell or an organ is decreased. It lessened the output of a system and maintain system function which is known as homeostasis. It is a regulatory mechanism of normal physiology. Some of examples are
blood sugar level regulation, regulation of blood pressure, thermoregulation and many more.
Answer:
The ozone layer protects the Earth against most UVB coming from the sun. It is always important to protect oneself against UVB, even in the absence of ozone depletion, by wearing hats, sunglasses, and sunscreen. However, these precautions will become more important as ozone depletion worsens.
Explanation:
The phase of mitosis where chromatids being pulled to opposite ends of the cell is called anaphase. Metaphase before includes chromosomes lining up single file at the middle of the cell. The t<span>elophase involves</span><span> nuclear membrane forming around chromatin</span>
<span>The krebs cycle has long been a pathway both for metabolic nutrients, as well as internal components. The pyruvate molecules are a natural byproduct of kreb cycle. However, two pyruvate molecules can be symptomatic of molecules formed in cytoplasm. This is especially apparent when glucose levels bypass a level.</span>
