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STALIN [3.7K]
3 years ago
7

What type of energy transfer occurs when two objects touch?

Biology
2 answers:
Igoryamba3 years ago
8 0

Answer:

conduction

Explanation:

Naya [18.7K]3 years ago
6 0

Answer:

Conduction

Explanation:

When objects are touch and energy is transferred  from the hot object to the cold object. Hope this helps

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Two students are discussing the processes that form the different rocks near mountains and lakes. Which choice below compares th
BARSIC [14]

Answer:

Processes of rock formation : Erosion & weathering, dissolution

Explanation:

Rocks are naturally occurring solid mass, or aggregate of minerals / mineraloil matter.

Processes that form rocks :

  • Erosion & weathering - breaks down mountains & boulders into sediments
  • Dissolution - Chemical weathering, acidic water wears away stones gradually
8 0
3 years ago
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
Which particle type can be identified as being from a specific element?
leva [86]

Answer:

the proton is most likely the answer let me know if I'm wrong or right

6 0
2 years ago
Which of the following accurately describes kidney function? A. Kidneys are directed by the presence of antidiuretic hormone to
defon
Answer - B. Kidney function is controlled by the blood's composition and hormones.

Reasoning - Well to start off the kidneys (main) purpose function is to clean your blood which is very Important with blood composition. Second It can also and will excrete it through urine which is pretty much what it does. Oh and also a little bit of hormones. 

6 0
3 years ago
Is maltodextrin flammable substance?
Marta_Voda [28]

Answer:

Yes.

Explanation:

Produced from starch by partial hydrolysis, it is usually found as a combustible/explosible, white, hygroscopic spray-dried powder.

4 0
3 years ago
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