Answer:
C. Both (a) and (b)
Explanation:
Hunting, destroying habitats, polluting and introducing non-native species can cause extinction.
The given blank can be filled with enzymatic molecules.
Enzymes refer to biological molecules or proteins, which function as catalysts and assist the composite reactions to take place everywhere in life. The enzymes generally end with the suffix - ase. For example, proteases, which functions to dissociate the peptide bonds between the amino acids.
Enzymes are big molecules, which accelerate the rate of chemical reactions within the cells, and like all other kinds of proteins, they comprise lengthy chains of amino acids.
Answer:
Explanation:
Lipids also come from foods, most commonly in the form of cholesterol or triglycerides. Certain kinds of essential lipids are often present in vegetable oils and legumes, as well as the cell membranes of just about every living thing.
Answer:
Secretes a protective covering against UV damage
Explanation:
Keratinocytes is an important protective organelle that work with melanocytes to produce melanin in the skin to protect damages from the UV