Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by: mutation. random mating between organisms
Answer:
(1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus (7) cytoskeleton (8) smooth endoplasmic reticulum (9) mitochondria (10) vacuole (11) cytosol (12) lysosome (13) centriole.
Explanation:
Within the cytoplasm, the major organelles and cellular structures include: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus (7) cytoskeleton (8) smooth endoplasmic reticulum (9) mitochondria (10) vacuole (11) cytosol (12) lysosome (13) centriole.
The added energy is need to break hydrogen bonds between water
<span>The advantages of asexual reproduction are as follows:
Rapid reproduction wherein asexual reproduction produces offspring in large quantities, and survival, plants will not need a sexual counterpart anymore and they will tend to survive pollinating.</span>
<u>Antithyroids</u> classification of drugs helps in preparing for thyroidectomy or treating thyrotoxic crisis.
- The overactive thyroid (hyperthyroidism) brought on by Graves' illness is most frequently treated with antithyroid medications, commonly known as thioamides. These medications prevent the thyroid gland from producing thyroid hormone.
- To cure an underactive thyroid gland, utilize levothyroxine (hypothyroidism).
- The thyroid gland ordinarily produces thyroid hormone, which it either replaces or increases.
- Low thyroid hormone levels can happen naturally, when the thyroid gland is damaged by radiation, drugs, or surgery, or when they are caused by another factor.
- The overactive thyroid (hyperthyroidism) brought on by Graves' illness is most frequently treated with antithyroid medications, commonly known as thioamides.
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