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wel
2 years ago
9

Mutation spectrum analysis of Duchenne/Becker muscular dystrophy in 68 families in Kuwait: The era of personalized medicine

Biology
1 answer:
siniylev [52]2 years ago
4 0

Duchenne and Becker muscular dystrophies (DMD/BMD) are X-linked recessive neuromuscular disorders characterized by progressive irreversible muscle weakness and atrophy that affect both skeletal and cardiac muscles

<h3>What is Duchenne/Becker muscular dystrophy ?</h3>

Both Duchenne and Becker muscular dystrophy are caused by mutations in a protein called dystrophin

  • In Duchenne muscular dystrophy, functioning dystrophin is completely absent in muscle, while in Becker muscular dystrophy, there is some dystrophin present, although not enough for completely normal muscle function.

  • it usually affects boys in early childhood; people with the condition will usually only live into their 20s or 30s.

Learn more about Duchenne/Becker muscular dystrophy here:

brainly.com/question/17228687

#SPJ4

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A body of knowledge that explains the natural world?
Natasha_Volkova [10]

Knowledge is very important for us for better understanding, for easy study.

<h3>What is a body of knowledge that explains the natural world?</h3>

Science is an organized way of using evidence to learn about the natural world. The world science also refers to the body of knowledge that scientists have built up after years of using this process. It is the science with the help of which we can study the nature deeply without and difficulties. It is the science which make the things very easy for us and make for us very easy to be studied. Without the knowledge we can't able to understand the world in a quite easy manner.

So we can conclude that: Knowledge is very important for us for better understanding, for easy study.

Learn more about Natural World here: brainly.com/question/13142293

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8 0
2 years ago
If an organism expresses a recessive phenotype, can you tell the genotype? Explain your answer by giving an example.
JulijaS [17]
If<span> it is expressing the </span>recessive phenotype<span>, then </span>you know<span> right away what the</span>genotype<span> is. For </span>example<span>, for the </span>recessive<span> trait of green-colored peas versus the dominant trait yellow-colored peas. </span>If you<span> have green peas, then </span>you know<span> this plant has the homozygous </span>recessive genotype<span> for the pea color gene.</span>
8 0
3 years ago
What organelles are found in an animal cell
viva [34]

Answer:

Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.

Explanation:

3 0
3 years ago
Classification of carpet grass from kingdom to class level​
Bumek [7]

Answer:i dont eve k

Explanation:

becouse i dont

7 0
3 years ago
Whoever can ancer this question in your own words i will give you 5 star and put thanks as in hart you, please I NEED HELP THIS
erastovalidia [21]

Answer:

In case of a physical support there is a bone system involved, in case of the maintenance of the  body weight there is  wide spectrum of thyroid hormones as well as leptin and ghrelin, according to the recent studies.

Explanation:

There is a whole spectrum of physiological  body systems involved in the maintenance of the body weight in humans, as well as metabolism.  One of the most important hormones are thyroid hormones. According to the most recent studies, the major role there is an adequate function of the digestive system as well. The most important digestive-related hormones are leptin and ghrelin.

In case of the physical protection of the human body weight the major role have bones, cartilages and ligaments. All of the aforementioned structures support the human body organs and other structures. In case of skeleton, it has been estimated that it consists of 206 bones. In case of younger individuals, the human skeleton has a greater protective effect to other body systems. In case of bones, its main role is to have a rigid support for internal organs and other body structures. In that way, the body weight is is supported against the force of gravity. Additonaly, it provides a support for muscles to maintene their movements as ligaments bind to the distal and proximal parts of the corresponding bones. If we analyze the upper parts of skeleton, their promienent role is in the lifting and carrieng objects etc. The lower parts of the skeleton are involved in a variety of functions such as walking, runinng, playing sports etc.

In case of internal portions of skeleton, it is necessary to outline the major role of skeleton for example in the abdominal and peritoneal cavities. In these cases, the role of skeleton is to act protectively to the contained organs in those cavities. In case of bones themselves, they act as aa storage site for diverse minerals (calcium, phosphate etc. ). The bone marrow is a storage site for the production of blood components producing cells.

Thyroid hormones have an essential role in the body weight regulation. Their major role is through the regulation of the energy in the human body. Thyroid impairment (such as hyperthyroidism, hypothyroidism) may have a large impact on the changes in the body weight and basal metabolic rate.

The most important thyroid hormones studied in the context of the body weight regulation are free triiodothyronine (T3), free thyroxine (T4), total T3, total T4 and thyroid stimulating hormone (TSH). Thyroid hormones regulate the basal metabolic rate via increasing ATP production and regulation of the Na⁺/K⁺ and Ca₂⁺ concentrations and gradients.

Leptin and ghrelin are hormones that regulate energy balance. Leptin mediates a long-term regulation of energy balance. Leptin suppresses food intake and regulates  energy expenditure.. In that way, leptin leads to weight loss. Leptin is a 6-kDa protein with helical structure, secreted from white adipocytes. The leptin receptors have a role similar to the cytokine receptor I class via transduction mechanisms. Leptin receptors form homodimers. It has been documented that in case of food deprivation, there is a rapid decrease in leptin gene expression. Leptin acts centrally. It inhibits the synthesis and  effect of neuropeptide Y. Such role is the most prominent in the arcuate nucleus of the hypothalamus. There is a lipostatic theory of leptin. Leptin is secreted in the white adipocytes, afterwards secreted into the blood circulation and transported to brain structures. In the brain it inhibits or release the aforementioned factors in order to regulate food intake.

Ghrelin is a fast-acting hormone. It has the role in the meal initiation. It is known that leptin resistant individuals are obese. Ghrelin is a 28-amino acid that stimulates appetite and the release  of growth hormone. Nearly 70 percent of ghrelin is secreted by the stomach and small intestine. Ghrelin has a major role in white adipose tissue where it stimulates adipogenesis, fat storage enzymes and increases trygliceride concentration. It decreases lipolysis.

5 0
3 years ago
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