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Elanso [62]
3 years ago
7

describe the advantages and this advantages of using or nonrenewable resources, including depletion of resources and how they im

pact the environment.
Biology
1 answer:
Anna71 [15]3 years ago
3 0

coil, oil and gas, cause pollution

Which damages the environment, also melts thw glaciers so animals such as polar bears lose their habitats and will come extinct at some point.... hope this helps

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What is a possible effect of long-term environmental changes?
Bess [88]

Answer:

All answers are correct.

Explanation:

Long term environmental changes can cause adaptation, migration, habitat loss, and starvation.

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When assisting a child with ventilation:
Zolol [24]
Hello There!

Based on my First Aid classes the answer is D. All of the above.
If someone turns unconscious, you'd have to perform CPR and call an emergency service as soon as possible.

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7 0
3 years ago
Chimeric mice are generated where approximately 50% of the cells in the animal are genetically MHC class I-deficient.
Firdavs [7]

Chimeric mice are generated where approximately 50% of the cells in the animal are genetically MHC class I-deficient. The other 50% are deficient for the herpes virus receptor, HVEM, but do express MHC class I molecules. When these mice are infected with herpesvirus by intraperitoneal injection, a robust virus-specific CD8 T cell response is detected at day 7 post-infection in the spleens of the infected mice.

Chimeric mice are generated where approximately 50% of the cells in the animal are genetically MHC class I-deficient - Immunobiology

: a branch of biology concerned with the physiological reactions characteristic of the immune state

To learn more about immunobiology

https://brainly.in/question/6400587

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8 0
1 year ago
In humans, Rh-positive individuals have the Rh antigen on their red blood cells, while Rh-negative individuals do not. If the Rh
bixtya [17]

Answer: 60%

Explanation:

In population genetics, the Hardy-Weinberg Principle states that the genetic composition of a population remains in equilibrium as long as no natural selection or other factors are active and no mutations occur.

The frequencies of the genotypes of an individual locus will be set to a particular equilibrium value.<u> It also specifies that these equilibrium frequencies can be represented as a simple function of the allelic frequencies at that locus</u>. In the simplest case, with a locus with two alleles A and a, with allele frequencies of p and q respectively, the principle predicts that <u>the genotypic frequency for the dominant homozygous AA is p^2, that of the heterozygous Aa is 2pq and that of the recessive homozygous aa, is q^2. The allele frequency of a is represented as p and the frequency of recessive allele is q.</u>

The three genotypes AA : Aa : aa appear in a ratio p² : 2pq : q². If we add them up, we get the unit:

p^2 + 2pq + q^2 = (p + q)^2 = 1  

And p + q = 1

<u>Rh-positive genotypes are represented as AA (homozygous dominant) or Aa (heterozygous) since the presence of a single dominant allele is sufficient to express the phenotype. While Rh-negative genotypes are represented as aa. </u>

If 84% of the population is Rh-positive, that means that this percentage includes all those who are AA and Aa. Then 16% are aa.

F(aa)=q^2=0.16

then F(a)=q=0.4

And since p + q = 1, p + 0.4 = 1, then p is 0.6

We can also calculate the rest, then F(AA)=p^2= 0.36

So F(Aa)= 2pq = 2 x 0.6 x 0.4 = 0.48

Notice that 0.36 + 0.16 + 0.48 = 1

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3 years ago
How do the amounts of green pigment, chlorophyll, differ from summer to fall?
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The chlorophyll stops being produced because it is to cold

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