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Snowcat [4.5K]
3 years ago
12

Can anyone pls help I’m stuck.

Biology
1 answer:
Korolek [52]3 years ago
4 0

Answer:

B

Explanation:

a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one,

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Please can someone help me at this
KIM [24]
Ok so producer is going to be..human, Eagle, cow, apple tree. Consumer is also going to be Eagle, human, and cow. and the rest will be decomposer unless you can count us as decomposers too.
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3 years ago
One of the most important outcomes of extreme stress or tension is the effect on the ___________ system, which usually protects
julia-pushkina [17]

Answer:

Immune

Explanation:

The immune system helps to protect our body from all sort of organisms ranging from invading toxins and micro-organisms which negatively affects an individual’s health and well being.

Stress has an adverse effect on the immune system such that it weakens and suppresses the functions of the required antibodies in the body system. This is the reason why many aged people fall sick because they have gone through more stress when compared to younger people.

6 0
3 years ago
What do male calico cats, children with Down syndrome and children with Turner syndrome all have in common?
AleksandrR [38]
They all have chromosome disorders (irregular number, extra or missing chromosomes)
7 0
3 years ago
Read 2 more answers
How does the structure of a DNA sequence determine the function of a protein​
Ede4ka [16]

Answer:

Shape

Explanation:

The structure of a DNA sequence determines the function of a protein​ by it's shape. The shape of a protein is determined by the sequence of the amino acids which is also the primary structures. And then the sequence of amino acids are determined by the sequence of nucleotides in the genes, which encodes it.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

4 0
3 years ago
Key deer are found only on certain islands in the Florida Keys. Populations are typically small enough that genetic drift has ca
vagabundo [1.1K]

Answer:

The frequency of A1 be on Big Pine Key after a single generation of migration from No Name Keyp is 0.2276

Explanation:

Whenever it occurs migration between two populations, there is genetic flux going on. Genetic flux might be considered as an evolutive strength only if migration > 0 and if the allelic frequency in one generation is different from the allelic frequency in the next generation.  

Genetic flux acts homogenizing the allelic frequencies between the two populations, and it might introduce variability.

By knowing the allelic frequencies in both populations at a certain time and the migration rate, we can calculate the allelic frequencies of populations in the next generation. This is:

pA₂=pA₁(1-m)+pB₁ m

pB₂=pB₁(1-m)+pA₁ m

Being

  • A one population and B the other population
  • pA₁ and pB₁ the frequencies of the p allele before migration,
  • pA₂and pB₂ the frequencies of the p allele after migration,
  • m the migration rate

In the exposed example, we know that:

  • No Name Key population allelic frequency: A1 = 0.43 and A2 = 0.57
  • Big Pine Key population allelic frequency: A1 =0.21 and A2 = 0.79
  • Migration rate m=0.08

Let´s say that p represents A1 allele, and q represents A2 allele.

The frequency of A1 allele (p) be on Big Pine Key (Population B) after a single generation of migration from No Name Key (Population A)

pB₂=pB₁(1-m)+pA₁ m

pB₂=0.21 x (1 - 0.08) + 0.43 x 0.08

pB₂= 0.2276

The allelic frequency in a population after one generation is the allelic frequency of individuals of that population that did not migrate (21 x  (1 - 0.08) plus the allelic frequency of the new individuals that came from the other population (0.43 x 0.08).

You can corroborate your result by calculating the q allele frequency in the next generation and summing both of them up. The result should be one.

qB₂= qB₁(1-m)+qA₁ m

qB₂= 0.79 x (1 - 0.08) + 0.57 x 0.08

qB₂= 0.7724

p + q = 1

0.2276 + 0.7724 = 1

7 0
3 years ago
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