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Anna11 [10]
3 years ago
9

Describe the connection between the digestive and respiratory systems

Biology
1 answer:
Umnica [9.8K]3 years ago
6 0

Answer:

Explanation:The respiratory system brings oxygen into the lungs when you breathe. The digestive system breaks food down into nutrients such as glucose. Now the circulatory system enters the picture. It transports glucose and other nutrients from the digestive system to the cells.

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Given what you know about the selective pressures associated with malaria and sickle-cell anemia in the tropical areas of sub-Sa
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HBA HBs

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In some parts of Africa, up to 20% of the population are carriers of the sickle cell gene. This suggests that the trait must have a survival value. The carriers of the trait have a much lower susceptibility to malaria than normal individuals. This is because the malaria parasite survives very poorly in sickled red blood cells.

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What's the cause of diversity of protien?
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8 0
4 years ago
What is allele frequency?
IgorLugansk [536]

Answer:

The correct answer would be - D. the distribution of alleles in a population.

Explanation:

Allele frequency in population genetics is the term used to provide the amount of the different alleles in particular loci. In other words, it is the distribution of alleles in a population.

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5 0
3 years ago
How do temperature and salinity affect deep water currents?
USPshnik [31]
The   temperature  and   salinity  affect  deep  water  current    since

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3 0
3 years ago
A model for a​ company's revenue from selling a software package is ​R(p)equals=−2.52^2400​p, where p is the price in dollars of
dsp73

A model for a​ company's revenue from selling a software package is ​R(p)=-2.5p² + 400​p, where p is the price in dollars of the software. What price will maximize​ revenue? Find the maximum revenue.

Answer: p = $80,  R = $16,000

Step-by-step explanation:

The maximum is the y-value of the Vertex.

Step 1: Use the Axis-Of-Symmetry (AOS) formula to find x:

x=\frac{-b}{2a}

R(p) = -2.5p² + 400

     a= -2.5  b=400

p=\frac{-(400)}{2(-2.5)}

         = \frac{-400}{-5}

        =80

∴ In order to maximize the value, the company will sell the software package for $80

Step 2: Find the maximum by plugging the p-value (above) into the given equation.

R(80) = -2.5(80)² + 400(80)

         = -16,000 + 32,000

         = 16,000

7 0
3 years ago
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