Amino acids are the substituents of proteins.
Answer: Chemical Change
Explanation:
Enzymes like pepsin are found in the stomach and act on food to break it down into simpler substances. This is an example of a —
Chemical change
Answer:
Explanation:
Mechanical digestion physically breaks down food, like when teeth macerate food into a bolus. The stomach contracts and relaxes in a churning motion. ... Chemical digestion occurs when the bonds within larger food molecules are broken, creating smaller molecules that the body can use.
Answer: shingles, varicella-zoster virus
Explanation:
It should be noted that shingles usually occur with old people and it causes a painful rash when the chicken pox virus is reactivated in the body.
Since the man is old and has painful fluid-filled vesicles that have begun crusting over in a wide band across the left side of his lumbar area and also has a history of chickenpox, it's very likely it is shingles.
Species that arrive first in the newly created environment or available ecosystem are called PIONEER SPECIES
