Answer: The cell synthesizes mRNA and proteins preparing it for cell division.
Explanation: During this phase the cell also synthesizes enzymes and nutrients for the process of cell division.
The principle hormones produced by the thyroid gland are:. T3 (tri-iodothyronine) and T4 (thyroxine).
<h3>What is thyroid gland?</h3>
Thyroid gland is two globular structure present in the neck. This gland produce growth hormone. It is an endocrine gland.
The thyroid hormone helps in regulating the use of energy by the body. These hormones help in growth and development of the body.
Thus, the hormones are T3 (tri-iodothyronine) and T4 (thyroxine).
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Answer:
Basophils
Explanation:
Basophils are the granular leukocytes that make 0-1% of the total white blood cells. Basophils are 10–12 μm in diameter and are the spherical cells with lobed nuclei. When Wright stained, basophils appear to have large, irregularly shaped, deep-blue granules in their cytoplasm. These granules take up the basic stain and hence these cells are called basophils.
Basophils release histamine and heparin. Histamine is associated with allergic reactions. Histamine also dilates blood vessels and triggers contraction of smooth muscle. Heparin inhibits clotting and promotes blood flow. Together, histamine and heparin promote blood flow to injured tissues.
Answer:
(4) is bred and the trait is capable of being inherited
Explanation:
<u>Mutation generally refers to a sudden change to the DNA sequence in the genome of an organism.</u>
Since, DNA is the molecules responsible for heredity and the inheritance of traits by offspring from their parents, a mutation should be inheritable.
<em>Hence, if a sudden appearance of hairlessness in one of the puppies is observed by a dog breeder, he/she can effectively conclude that the situation is caused by a mutation if the affected dog is bred with another dog and the hairlessness is observed in any of the resulting progeny.</em>
Option 4 is the correct option.
Aorta!
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