Which best describes dynamic equilibrium

2 answers:

7 0

Equilibrium is best describe by a reaction. Equilibrium exists for a reaction when as time goes to infinity there will be no change in the system at that certain conditions. There are two types of equilibrium : dynamic equilibrium and static equilibrium. Static equilibrium happens when all particles are at rest or has no movement. This can also be termed as a steady-state system. On the other hand, dynamic equilibrium happens when the forward reaction rate is equal to the backward reaction rate. In short, dynamic equilibrium is a reversible reaction while static equilibrium is an irreversible reaction.

Evgen [1.6K]3 years ago

5 0

Answer:

C) Particles are moving into and out of the cell, but their concentrations remain stable

Explanation:

Just took the test.

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Phenylketonuria (PKU) is a disease caused by a recessive mutation. PKU is extremely common in Ireland, affecting approximately 1

aleksklad [387]

Answer:

97%

Explanation:

PKU is caused by a recessive mutation, which means that affected individuals are homozygous and recessive (tt).

The frequency of genotypes according to Hardy-Weinberg equilibrium is:

$TT= p^2\\Tt=2pq\\tt=q^2$

where p is the frequency of the T allele and q is the frequency of the t allele.

Affected individuals are 1 in 4500, which means the frequency of tt genotype is 1/4500.

If the population is in Hardy-Weinberg equilibrium,

$q^2=1/4500\\q=\sqrt{1/4500} \\\\q=0.015$

The sum of the allele frequencies adds up to 1, therefore:

p + q = 1

p= 1 - q

p= 1 - 0.015

p= 0.985

The frequency of the TT genotype (homozygous wild-type individuals) will be:

$p^2=0.985^2\\p^2=0.97$

97% of the population will have the homozygous wild-type TT genotype.

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The trait which is hidden by the dominant allele in a heterozygous individual is said to be a ___________ trait.

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