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andreyandreev [35.5K]
3 years ago
14

In most allergic reactions, how long does it take for the cells to produce histamine?

Biology
1 answer:
geniusboy [140]3 years ago
7 0
Hello! The correct answer to your question is: 2-3 seconds.


I really hope this helped you! c:
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If the offspring of a cross between two autosomal traits show a phenotypic ratio of 0 dom/dom : 0 dom/rec : 1 rec/dom : 1 rec/re
Elis [28]
The parents are of genotype heterozygous dominant and homozygous recessive. Supposing the dominant allele is N and the recessive allele is n, one of the parents will be Nn while the other nn. The phenotypic (based on visible characteristics) ratio will be 1:1 for dom/rec and rec/rec as indicated in the  diagram below.

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Identify the functional area of the kidney at letter<br> b.
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3 years ago
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Explanation:

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What will occur if solution A containing 400 mosmol/L non-penetrating solute is separated by a biological membrane from solution
vampirchik [111]

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The volume of solution B will increase

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The sensory receptors in the nose send signals to the ________. These signals are then processed by the _______, which sends a r
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