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denis-greek [22]
3 years ago
11

Most poisonous alkaloid is extracted from tobacco leaf and widely used as an insecticide​

Biology
1 answer:
kakasveta [241]3 years ago
7 0

Answer:

Nicotine

Explanation:

Tobacco smoke contains numerous toxic chemicals including organic carcinogens such as polycyclic aromatic hydrocarbons and aromatic amines, inorganic carcinogens such as polonium 210, and arsenic and toxic alkaloids such as nicotine. Nicotine extracted from tobacco has also been used as an insecticide.

PLEASE MARK IT AS BRAINLIEST

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Choose the phase of the bacterial growth curve during which a bacterial population has the briefest doubling time.
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The stage where the doubling time will be the shortest will be the one where replication is taking place the fastest. This phase is known as the exponential phase. This phase is characterized by exponential growth rates of a bacterial colony.

This phase occurs due the excess amount of resources that are present compared to the amount necessary to sustain the bacterial colony. Therefore, not being limited by resources, the bacteria multiply rapidly. However, the resources then run out due to which replication stop, bringing on the lag phase. Finally, the bacteria begin to starve and die off due to the lack of resources, bringing about the death phase.
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3 years ago
Where does FGF5 occur in the cell?
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Answer: FGF5 is produced in the outer root sheath of the hair follicle as well as perifollicular macrophages, with maximum expression occurring in the late anagen phase of the hair cycle. The receptor for FGF5, FGFR1, is largely expressed in the dermal papilla cells of the hair follicle.

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3 years ago
Changes to the global climate could include
Sveta_85 [38]

Answer:

D

Explanation:

All of the above are parts of the climate that could be subject to change.

4 0
4 years ago
Read 2 more answers
The middle pleistocene and the late pleistocene correspond to which cultural periods?
Crank

The middle stone age and the later stone age corresponds to the middle and the late pleistocene.

Cultural evolution during the middle and the late pleistocene :-

In southwestern Asia as well as northern and southern Africa, personal ornaments in the form of perforated seashells are recorded from the early Late Pleistocene. In the Old World, Neanderthals and anatomically modern humans are linked to a range of personal ornamentation by about 40,000 years ago (Ka). These include fully created ornaments as well as organically modified things. The appearance of figurative art, mythical imagery, and other types of items, like as musical instruments, at various times in history suggest that completely modern behavior began to emerge more gradually towards the middle of the Late Pleistocene and most definitely no later than 40 Ka. Many, but not all, of the lengthy and rigorous history of study might well have helped to the relevant data come from Europe.

Learn more about the Pleistocene age here:-

brainly.com/question/12163109

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7 0
2 years ago
Which hormone causes the re-growth of the endometrial lining of the uterus?
ioda

Answer:

The answer is Estrogen.

Explanation:

The hormone that causes the new growth of the endometrial lining of the uterus is ESTROGEN. During the first days of menstruation, estrogen levels are low; In the middle of the follicular phase the follicle that is going to ovulate has already been selected, is when estrogen levels begin to rise. It is considered as an index of the fertile period of the menstrual cycle. Glandular proliferation occurs at the endometrial level (Proliferative phase).

3 0
3 years ago
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