LH hormone is secreted by Pituitary but under control of GnRH by hypothalamus in both males and females!
@ There are many roles of it but one necessary role in
@Female is during LH surge !!
LH surge stimulates ovulation on mid of 28day cycle.
@In Males ; it stimulates production of testosterone !!
the answer is A because restriction enzymes function in cutting strand of DNA at specufic sites
Because it can induce osmosis.
The best solution for intravenous in most condition is isotonic because it will not upset the oncotic pressure of the blood. If you use hypertonic or hypotonic solution, the oncotic pressure can be altered and causing osmosis happen to the cell. The osmosis can cause injury to the cell as its water content will be changed.
Answer:
In everyday language a theory means a hunch or speculation. Not so in science. In science, the word theory refers to a comprehensive explanation of an important feature of nature supported by facts gathered over time. Theories also allow scientists to make predictions about as yet unobserved phenomena".
Explanation:
1.The process of leaf color change. Leaves change color during the autumn because the amounts of pigments change as the leaves prepare to fall from trees. All leaves gradually lose chlorophyll during the growing season, and this loss accelerates before leaf fall.
2.The leaves in hot or dry environments may be adapted to reduce transpiration. For example, their stomata may be open at night and close midday. This is the reverse of what usually happens, and it means that the stomata are closet when the rate of transpiration would be greatest.
