The answer for this question is b Oswald Avery
Answer:
D. A mutation causing uncontrolled cell division
Explanation:
Cell division is controlled by various mechanisms. Any mutations in the genes regulating the cell division lead to uncontrolled cell division. Loss of control over the process of cell division leads to the formation of tumors.
These tumors may cause cancer if they are transformed into malignant tumors. Hence, a mutation that causes loss of control over cell division is harmful.
Melanin is a pigment that is produced by cells known as melanocytes in the skin of most animals, including humans. ...
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.
Sexual reproduction is one type of biological reproduction wherein the genitals of the male and female organisms engage into a sexual activity in order for the sperm cells to fertilize the egg cells of the females.
<span>In the case of most plants, they engage in asexual reproduction. </span>
