The secretion of human growth hormones (HGH) is regulated at the genome level by genetic and epigenetic factors (environment and diet among others). And the expression of the gene of this hormone differs from one individual to another, so the quantity produced differs between individuals, which explains why we observe individuals of different sizes in a population.
Growth hormone acts by interaction with cellular receptors, it affects carbohydrate, lipid and protein metabolism.
A key component of growth is the growth hormone releasing factor or the growth regulating factor (GH-RF or GRF). This chemical messenger is produced in a part of the brain called the hypothalamus. GH-RF allows the pituitary gland (the "master gland" involved in the growth process) to secrete growth hormone, the main hormone responsible for a person's growth.
GH is not only involved in growth phenomena, it also plays a role in the fine regulation of reproductive phenomena in both male and female mammals.
B) Pacific Plate and Indian-Australian Plate
Explanation:
The plate boundary where one lithospheric plate is sliding under another is the found between the pacific plate and Indian-Australian Plate.
- These margins are called convergent margins.
- This is a typical oceanic crust in its entirety makes up the bulk of the Pacific plate.
- Oceanic crusts are denser than the underlying mantle that is below.
- The Indian- Australian plate subducts or goes under the pacific plate and it forms the Puysegur Trench.
- Trenches are common feature of subduction zones.
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the answer is a.
i say this is the answer because whenever you’re doing a scientific hypothesis you’re mostly observing and making assumptions.
Using bar soaps and hand towels won't have a greater chance of making you bleed, but razor blades and toothbrushes do since people usually cut themselves when shaving and toothbrushes can make your gums bleed.
I hope this helps.
