Plant Inhalation and Exhalation
Once the carbon dioxide enters the plant, the process begins with the help of sunlight and water. During this process, the plant combines carbon dioxide with water to allow the plant to extract what it needs for food. The plant uses sunlight as energy to perform this chemical reaction.
Answer:
The correct answer is 3rd statement.
Explanation:
A kind of sweat gland that discharges water from the surface of the body at the time of high internal temperatures are known as exocrine sweat glands. This water gets evaporates and results in the cooling of the skin surface. When the temperature of the body enhances, the sweat glands along with water also discharges electrolytes from the surface of the body.
The sweat glands also exhibit antibacterial properties, as they discharge dermcidin that interferes with the sticking of the microbes with the skin surface. The exocrine sweat glands do not secrete lipids, thus, they lack the tendency to condition the skin surrounding it. Hence, the given statement 3 is incorrect.
Answer:
The correct answer is option D) "a quaternary protein with four polypeptides".
Explanation:
Hemoglobin is a quaternary protein with four polypeptides. Hemoglobin is comprised of four polypeptides, two alpha chains with 141 amino acid residues and two beta chains with 146 amino acids residues. Hemoglobin is classified as a quaternary protein, because it reaches a quaternary structure when the different polypeptides are attached to each other.
True
In genetics, a mutagen is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level.
Answer:
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