Answer:
A callus is a hardening of skin, keratin is the protein which is abundant in callus. Skin is a protective layer against a external environment. Outer layer of skin consist of keratin which is also found in hair. Callus is the accumulation of dead cells result due to friction and pressure exerts on the part in which they are present. The keratin component (keratinocytes) remains undifferentiated in these dead cells which causes hardening in callus.
<span>The "stress hormones" that were released by Benita's adrenal glands would likely be epinephrine and norepinephrine. Some studies have shown that something as simple as laughter can lower the level of stress hormones in most people. Since severe stress can lead to other health problems, it is important to get help from a medical professional to bring your stress level under control.</span>
Answer:
Energy is captured and stored in the mitochondria and released in the chloroplast.
Explanation:
SORRY I THINK
Answer:
conformational change in troponin
Explanation:
The troponin complex plays an essential role in the thin filament regulation of striated muscle contraction.