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AleksAgata [21]
3 years ago
9

You need to have a cavity filled so the dentist injects a local anesthetic into your gums. Local anesthetics reversibly bind to

Na channels and block the movement of sodium ions. Using what you know about signals, explain why this action can keep you from feeling pain.
Biology
1 answer:
masha68 [24]3 years ago
8 0

Answer:hello!

Explanation:

this might help it helped me have a great day!! https://quizlet.com/329289949/chapter-3-review-environmental-science-flash-cards/

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Short answer biology question pls explain in detail.
mariarad [96]
Already answered in pm ;P
3 0
3 years ago
The amount of air in the lungs after a normal exhale is called the ______________ .
il63 [147K]

Answer:

Expiratory reserve volume

8 0
2 years ago
A population of squirrels eats acorns from local oak trees. In some years, oak trees produce much greater
Tpy6a [65]

Answer:

B

Explanation:

The population size increases

8 0
2 years ago
Read 2 more answers
haemophilia is an x-linked recessive disorder that is always pass their generations that can be traced by using a pedigree what
Marat540 [252]

The probability of the female child of Charles and Marie suffering from hemophilia​ is 50% or 0.5.

<h3>What is the probability of hemophilia?</h3>

Hemophilia is a disease that is linked to the X-chromosome.

The probability of having female who suffers from hemophilia depends on the genotype of the parents.

Assuming that the genotype of the parents are as follows:

Father: XcY --> hemophilic

Mother: XXc --> carrier

A cross between the parents will produce two female offspring with genotypes, XcXc and XXc.

Therefore, the probability of the female child of Charles and Marie suffering from hemophilia​ is 50% or 0.5.

Learn more about hemophilia at: brainly.com/question/14203344

#SPJ1

4 0
1 year ago
How does fertilizer usage, soil degradation, and deforestation all tie in together?
Tamiku [17]

Answer:

<u>Fertilizer usage is linked to the agricultural practice</u> with an aim to <u>enhance the crop yield</u>. Inadequae use of fertilizers however causes soil degradation because <u>these practices overlook the spatial differences in soil fertility status </u>in agricultrual systems. Specifically,<u> not all soils require fertilizer application at the same levels</u>. A recommended approach is that, initially, there should be a proper study of limited nutrients in the soil and thereon only those nutrients should be given at controlled concentrations, which are limited. A major reason is that <u>high concentration of specific nutrients would affect the bioavailability of other nutrients</u> in the long run and could also lead to soil degradation (by affecting soil health status). <u>The microbial population in the soil could also change</u> that are typical for essential biogeochemical cycles. This is a very critical aspect in future future agriculture and to preserve the environment. <u>Deforestation</u> is a condition when the plants are cut excessively for agricultural purposes. <u>If soil degradation continues as discussed above, it would put a reduce the overall proportion of agricultrual land and cutting of naturally grown forests would be required. This would turn the green zones into agricultural zones (in future)</u>. This is a pressure on ecosystem and the consequences can be really harsh.

6 0
3 years ago
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