3 years ago

The sahara is where some of the earliest human fossils have been found

1 answer:

6 0

I think this statement is true.

But recent discoveries, have brought to light new human remains (some of the oldest) in Morocco, on the "other side of Sahara".

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Which is a gamete? A.Progesterone B.Testis C.Sperm D.Steroid

Sedbober [7]

C. Sperm is the answer

7 0

3 years ago

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A newly developed pesticide has been observed to bind to an intracellular hormone receptor. If ingested, residue from this pesti

Degger [83]

Answer:

Thyroid hormones

Explanation:

Animals and people exposed to pesticides such as insecticides, fungicides, and herbicides, have shown to be affected by their effect on the thyroid. These chemicals can produce endocrine alterations acting as thyroid disrupters. They affect many mechanisms in the organisms such as inhibition of thyroid iodine uptake, <u><em>interference with the thyroid hormone receptor</em></u>, binding to transport proteins, among others. They cause toxicity in the functioning of the hypothalamic-pituitary-thyroid axis.

There are many studies that associate thyroid diseases with exposure to organochloride pesticides. Significant alteration in the TSH, T3, and T4 levels have been expressed by people directly or indirectly exposed to the chemicals.