Answer:
Fruit Flies, long wings (L) are dominant to short wings (l) show the results crossing a heterozygous with a long wing fly with a short wing fly What are the possible genotypes and phenotypes for this offspring?
Ll x Ll= LL, Li, Li and ii
2 homozygous (one is long wing fly and the other is short wing fly) and 2 dominant heterozygous
the genotype is 3:1 while the phenotype reflects 3 dominant long wing fly and 1 short wing fly
Explanation:
OK so for this one it is quite simple when we clear forests we basically take away an insects habitat therefore by clearing a forest for our personal use it will have the greatest impact on the insects. So the best choice to go with will be option B.
Answer:
Option D, inhibiting the production of lymphocytes
Explanation:
Options for the question are -
A.slowing the shortening of telomeres.
B.accelerating the production of NK cells.
C.stimulating the release of endorphins.
D.inhibiting the production of lymphocytes.
Solution
Acquired immune deficiency syndrome (AIDS) is an acquired immune deficiency syndrome cause by human immunodeficiency virus (HIV) infection.
CD4+ T lymphocyte is an essential part of in immune responses and an HIV attacks on the immunity of an individuals by killing CD4+ T lymphocyte.
In general, out of total T lymphocytes , there are nearly 65% of CD4+ T lymphocytes a healthy individual. The remaining T lymphocytes are CD8+ T lymphocytes
An HIV infected person, has damaged body's immune system leading to decrease in number of CD4+ T lymphocyte as of hampered CD4+ T lymphocyte production.
Hence, option D is correct
Here is your answer
Rocks break down as they interact with air and weather - Weathering
Density differences and other factors cause metals to concentrate in igneous rocks - volcanic activity
Seawater heats up from contact with hot rock, metals dissolves in it, the water rises and contacts cooler water, causing metals ores to settle on the ocean floor - hydro thermal energy
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In neurogenic shock, the characteristic mechanism is the reduction of sympathetic outflow from the brainstem leading to the decreased in the blood vessel tone and eventually vasodilation. In the presence of vasodilation, there will be decreased blood pressure and eventually shock. Since there is reduced sympathetic outflow, there will also be a decreased heart rate, warm skin (from the vasodilation), and dry skin (from the reduced cholinergic stimulation of the sweat glands).
