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Rama09 [41]
3 years ago
5

called CF is a condition that causes excess mucus production in the lungs and if untreated causes early death. CF is caused by a

deletion of 3 letters in the gene sequence. How might this deletion cause excessive mucus production?
Biology
1 answer:
lana66690 [7]3 years ago
4 0

Answer:

The correct answer is - by absorbing too much sodium and water into the cells in the respiratory system.

Explanation:

Cystic fibrosis or CF is a genetic disorder that is caused by the presence of two defective genes that leads to the production of thick and sticky mucus in an individual that affects the respiratory and digestive system by clogging mucus in it.

Due to defective genes, there is an abnormal electrolyte transport system develops in which cells of the respiratory system including the lungs absorb an excessive amount of salt (sodium) and water. It all caused by deletion of the three letters which means an amino acid from a gene that leads to the disruption of the protein that controls the production of the mucus and abnormal electrolyte transport.

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Hatshy [7]

Answer:

Agree

Explanation:

The biotic factors of an ecosystem include all the populations in a habitat, such as all the species of plants, animals, and fungi, as well as all the micro-organisms. Also recall that the nonliving factors are called abiotic factors. Abiotic factors include temperature, water, soil, and air.

4 0
3 years ago
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8 0
2 years ago
When apparent competition occurs, the:
artcher [175]

Answer:

The correct answer is:

population of the predator species is larger and the populations of the prey species are smaller. (C)

Explanation:

apparent competition occurs occurs between two species or group of organisms that do not directly compete for resources affect each other indirectly by being prey to the same predator. For example consider three species of organisms; sparrows, earthworms and beetles, where earthworms and beetles are preys of the sparrows, an increase in the population of earthworms will in the long term lead to an increase in the population of sparrows, which means that more predators will be available, leading to a decrease in the population of beetles, because more predators are available to prey on them. Also a decrease in the population of earthworms will also lead to a decrease in the population of beetles because their probability of being seen by the predators will increase leading to an increase in their killing.

Therefore in apparent competition, although it occurs between two prey species, their in an increase in the number of predators and a decrease in the population of the prey.

3 0
3 years ago
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the pons is associated with the 4th ventricle


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6 0
2 years ago
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sesenic [268]
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6 0
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