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jolli1 [7]
3 years ago
10

How are hydrogen bonds related to polarity?

Biology
1 answer:
lianna [129]3 years ago
3 0

Answer:

Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions

Explanation:

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In humans, Rh-positive individuals have the Rh antigen on their red blood cells, while Rh-negative individuals do not. If the Rh
Marta_Voda [28]

Answer:

D. 0.60

Explanation:

If the population is in Hardy-Weinberg equilibrium, the genotypic frequencies are:

  • freq AA = p²
  • freq Aa = 2pq
  • freq aa = q²

<em>p</em> is the frequency of the Rh positive allele (A) and <em>q</em> is the frequency of the Rh-negative allele (a).

If 84% of the population is Rh-positive, then 16% is Rh-negative and has the genotype <em>aa</em>. Therefore:

q² = 0.16

q = √0.16

q=0.4

And because p+q=1,

p = 1 - 0.4

p = 0.6

The frequency of the Rh-positive allele is 0.6

3 0
3 years ago
How do producers get the chemical energy they need to live and grow
katrin [286]
Producers make their own food through the process called photosynthesis, which uses water and sunlight to produce glucose and oxygen as a byproduct. It uses glucose to power its cells.
3 0
4 years ago
What name is given to substances that resist changes in ph? buffers sugars bases salts?
olga55 [171]
Answer is: buffers.
Buffer solution is a solution<span> consisting of a </span>mixture<span> of a </span>weak acid<span> and its </span>conjugate base<span>, or weak base and its conjugate acid. Its pH changes very little when a small amount of </span>strong acid<span> or </span>base<span> is added to it. Buffer solutions keep pH at a nearly constant value.
</span>Some buffers are:  ethanoic acid and sodium ethanoate, <span>ammonia solution and ammonium chloride.</span>
7 0
3 years ago
Si el agua no contiene en su estructura átomos de carbono por que razon se la considera una biomolecula fundamental para el desa
cricket20 [7]

If water does not contain carbon atoms in its structure, why is it considered a fundamental biomolecule for the development of living organisms?


8 0
4 years ago
Hemorrhagic anemia:
11111nata11111 [884]

Answer:

Hemolytic anemia is a disorder in which red blood cells are destroyed faster than they can be made. The destruction of red blood cells is called hemolysis. Red blood cells carry oxygen to all parts of your body. If you have a lower than normal amount of red blood cells, you have anemia.

Explanation:

<h3>I hope this helps!</h3>
7 0
3 years ago
Read 2 more answers
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