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kupik [55]
3 years ago
14

How many gallons of water per day does the average American family of 4 use?

Biology
2 answers:
ale4655 [162]3 years ago
6 0

Answer:

The average American family uses more than 300 gallons of water per day at home. Roughly 70 percent of this use occurs indoors.

Explanation:

Setler [38]3 years ago
5 0
300 gallons I think but I’m not all exactly sure ‍♀️
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An individual with Huntington disease has two normal parents. What are plausible explanations for this pattern of inheritance? C
Vitek1552 [10]

Answer and Explanation:

The Huntington disease is caused by a mutation in the gene that codifies for the Huntingtin protein (Htt). The mutation produces an altered form of the protein leading to the neuron´s death in certain areas of the brain.

The Huntington disease characterizes for being,

  • Hereditary, passing from generation to generation. To express the disease, a person must have been born with an altered gene.
  • Autosomal, affecting men and women equally, because the mutated gene is located on an autosomal chromosome.
  • Dominant, which means that by getting only one copy of the altered gene coming from any of the parents, the receiving person will express the disease. The mutation in the gene dominates over the normal gene copy.
  • Expressed by heterozygosis. Most people affected by the disease are heterozygous, with a normal copy and a mutated copy.

There are just a few cases all around the world (3% approximately) in which the disease is expressed with no family history. The progenitors are not affected by the mutation. These cases are very rare and are called <u>"de-novo" mutations.</u> A new mutation is spontaneously produced and it is not inherited from any of the parentals. It consists of an increase in the number of CAG repetitions. In a normal person, the number of CAG repetitions is less than 35. When there are 40 or more repetitions it occurs the disease. But when there are between 35 and 39 repetitions, the penetrance of the disease is incomplete. This is a "gray zone". Those alleles that fall in the gray zone are unstable and might produce the HD. Individuals with these unstable alleles have a tendency to increase the number of repetitions from generation to generation until the number reaches 40 repetitions and the person expresses the disease. This <u>usually occurs in the paternal germinal line</u>, as it is particularly unstable in sperm and probably meiosis greatly affects their instability, causing an increase in the number of CAG repeats.

6 0
3 years ago
A chemical has been found to harm the same component in both prokaryotic and eukaryotic cells. Which components are those?
VikaD [51]

Answer:

DNA, cell membrane, cytoplasm, and ribosomes.

6 0
3 years ago
Which cells have more lysosomes a cell in the small intestine or neuron
Ilia_Sergeevich [38]

Answer:

Lysosomes are abundantly found in neuronal cells

Explanation:

Lysosomes are commonly found in the cells of nervous system and specifically abundant in neurons where it can observed at various stages of development. Lysosomes chief function is to degrade cellular wastes.The lysosomes extends from golgi saccules  a vesicular body.Its main function is to bind with a membrane of vacuoles containing waste into which lysosomes releases it hydrolytic enzymes degraded waste inside the vacuoles itself and becomes secondary lysosomes.

5 0
3 years ago
Which of the following is not a means of water erosion?
AysviL [449]
Natural springs hope this helps :D

3 0
3 years ago
What is another name for inherited advantageous characteristics​
Elena-2011 [213]

Answer:

genes

Explanation:

8 0
3 years ago
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