found more than 400 different mutations in the PAH enzyme that are associated with PKU disease. how many alleles can be found in one individual?

A serum amylase is diluted 1/100 with a result of 45.0 U/L. The patient's actual amylase result is 4500 U/L.

Serum- Serum generally refers to the transparent fraction of any biological fluid, whether it comes from an animal or even a plant. For instance, the fluid released by serous glands is known as mammal serous (or serosal) fluid. The serum in blood is a clear, pale yellow liquid that is separated from of the blood and thus is free of blood cells & clotting components.

Amylase- The primary job of amylases is to hydrolyze all glycosidic linkages in molecules of starch, turning them to simple sugars. The three primary kinds of amylase enzymes—alpha, beta, and gamma—each affect the carbohydrate molecule in a different way.

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The skin is the largest organ of the human body. It has three layers: epidermis, dermis, and hypodermis.

The epidermis is the outermost layer. It is composed of keratinocytes, a type of epithelial cell that produces keratin. The compact nature of the epithelial cells of the epidermis makes the skin waterproof. Melanocytes are also found in this layer and produce melanin, or skin pigment. The epidermis function as protection against UV rays.

The dermis is the inner thicker layer that is mostly composed of connective tissue and connected to the epidermis by collagen fibers. The structures found in this layer are the hair follicle, hair root, sebaceous gland, and sweat gland. The dermis function is to excrete excess oils and waste out of the body through the production of sweat and production of vitamin D with specialized cells found in this skin layer.

The hypodermis is the innermost layer that is composed of adipose tissue. It functions as a cushion between the muscles and the skin.

In developing countries with high population rates, people generally thrive at a trophic level of 2.2.

Trophic levels are the positions that feed in a food chain or web. The population size diminishes as you move up the trophic levels of an environment.

Numerous consumers consume food at various trophic levels. When people eat plants like vegetables, they are the primary consumers. When they eat cows, they are incidental consumers. When they eat fillets, they are secondary consumers.

Higher trophic levels typically have fewer creatures since there is less energy there. At higher trophic levels, organisms are often greater in size, but because there are fewer of them, there is less biomass produced. The total mass of all trophic-level creatures is known as biomass.

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Answer:

a

Explanation:

In order to connect stimulus perceived (which is done by the sensory neurons) with thecore nervous centers, a connector is required, this gap is filled by the interneurons. Interneurons are aimed to connect sensory data from the input (sensory organs) to the organs where this info is processed.

The scientific term for rising crust is uplifting.

Uplifting is the sudden appearance of the land or rocks that were buried deep down inside, to the earth's surface. This may happen due to some upward force from the inside. Uplifting may also happen due to some activity in the tectonic plates.

Crust is the outermost layer of the Earth. It is the thinnest layer that goes only 40 km deep. The crust is composed of solid rocks and minerals. The rocks include sandstone, limestone, igneous and metamorphic. And the minerals are oxygen, silicon, aluminum, iron, etc. The crust also exhibits buoyancy.

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The example that best describes a physical model that could be used to study the human body is a program designeed to show how chemicals absorbed during digestion are transported to other parts of the body.

The correct answer is option A.

If the model has been made accurately, the results shown would demostrate results that can reflect what actually occurs in the human body.

Transposable elements are DNA sequences, genes. With the capacity to move inside the genome, that is to say, they can change their position in the genome by themselves. Due to this ability to change position, they have been widely studied, although many times insert themselves on inactive genomic regions, they have contributed to genetic diversity and generating polymorphisms, which in turn have an impact on the evolution. Also in a low percentage of cases can generate genetic illnesses in early embryonal states, like some ehemofilias or leukemias.

Answer and explanation:

1. sources of error- in the experiment, the amount of carbon dioxide released by east is monitored, a source of error could be the carbon dioxide present in the atmosphere which would interfere with the results.

2. baking recipes add sugars and molasses to provide carbohydrates for the yeast. this acts as a source of energy for the fermentation process.

3. the respiration of yeast could be monitored by measured the amount of sugar used or by measuring the amount of ethanol produced in the respiration process

4. high concentrations of sugar my inhibit yeast activity most likely because of the high osmotic concentration which prevents yeast from getting enough water for growth. as the osmotic concentration increases a yeast cell will reach a pont where water moves out of the cell.

The apparent weight of the submerged gold is 57N.

So, the weight of mercury is 13500kg/m³ × (0.1m)³ = 13.5kg = 132.3N.

The initial weight of gold is 19320kg/m³ × (0.1m)³ = 19.35kg = 189.3N.

Therefore, the apparent weight of the submerged gold is 57N.

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Answer:

im pretty sure its c but this is what i found on the web: the atmospheric temperature is at or below freezing (0°C or 32°F).

Explanation:

Answer:

im pretty sure its c but this is what i found on the web: the atmospheric temperature is at or below freezing (0°C or 32°F).

Explanation:

In this case, we have that oil and methane extraction have great impacts on the ocean, as there is always the release of these materials to the surrounding environment causing water pollution, altering the equilibrium of fito and zooplankton the base of the ocean food web, even more, intense human activity in these areas generate fauna displacement and habitat loss. Also in less quantity tend to be a release of methane into the atmosphere which is a powerful greenhouse gas.

The ways God gave us to develop our knowledge include:

God created man to be unique from all other of his creations. The Bible said that God created man in his own image. This means that God has created us to demonstrate and to cultivate his own special qualities such as:

God created man with a special brain that is far superior to all other creations.

He also created man with hands to enable him to work with them.

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During puberty, the body goes through many internl and external changes. Puberty begins when an area of the brain called the hypothalamus starts signaling to the rest of the body that it is time to develop adult characteristics. These hormones cause growth and changes in different parts of the body.

Chlorophyl absorbs the light at both endpoints of the visual expectrum, which means that ir absorbs the light of the blue and red wavelenghts.

The red wavelength is absorved on a higher rate than the blue wavelength.

Answer:

because u can be drowned till the life guard on duty comes

Answer:

The answer is C) The molecules cool and eventually form clouds

Explanation:

Answer:  

1. it generates cellular energy

2. it can be carried throughout the cell which gives it an advantage over the TCA and oxidative cycles

Answer:

Because the structures benefited the cell​

Explanation:

Scientists believe that host cells and bacteria formed a mutually beneficial endosymbiotic relationship when the host cells ingested aerobic bacteria and cyanobacteria but did not destroy them.

Chemical reaction:

yes, as enzymes are proteins that catalyze biochemical reactions.

Energy storage:

This is not a main function of proteins.

Fighting infections:

Yes, as antibodies are proteins that our imune system makes to help fight infection.

Chemical signaling:

yes, as many of the molecules used by a cell to communicate with others are proteins.

Answer:Question:

A cell is placed into a beaker containing a

4

%

sucrose solution. The cell contains a

1

%

sucrose solution. Was the cell placed in a hypotonic, hypertonic, or isotonic solution? Will there be a net influx or efflux of water and if so what direction?

Concentration Gradients

The rate and direction of diffusion, and osmosis is dictated by the extent of concentration gradients present between two solutions. Organisms take advantage of concentration gradients to transport molecules, transfer heat, etc.

Explanation:

The nerves in the body send signals along their pathway to the spinal cord, then to the brain. Once the signals reach your brain, your body registers the sensation, and you are able to feel it. Sensory signals travel so fast that it seems like you get the message instantaneously.

Cross a round yellow seed, which is heterozygous for both traits with a wrinkled green seed, which is homozygous for both traits.

Fusion of gametes Yy (yellow seeded) and yy (green seeded)

Thus, in F1 generation the ratio of yellow seeded plants to that of green seeded plants is 50:50.This cross is called as test cross where F1 generation is crossed with recessive parent.

In other case When a homozygous yellow round seeded plant(YYRR) is crossed with another homozygous pea plant with green wrinkled seeds(yyrr). The offspring's formed in the F1 generations are heterozygous Yellow round seeds(YyRr)

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Observation is the act of carefully watching something over time.

Experimentation Scientists may perform experiments in the lab or in the field. lab experiment gives the researcher more control, the artificial setting does not reflect the complex interactions that occur in nature.

Field experiment, on the other hand, gives a more accurate picture of how organisms interact in a natural setting.

Modeling scientists use computer and mathematical models to describe and model nature. example, It is possible for some people to learn and adapt to completely new computer systems at work, while others have adjusted to the challenges of working remotely.

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Membrane proteins are those structures that are joint to the membrane of the cell, which allows it to have communication between its inside and its outside, but they have a limited size, and because of that, they keep great polar molecules outside the cell, also receive messages from neighboring cells, and recognize other types of cells, but they are not involved in the catalyzation of chemical reactions in the cells, since their function is mainly allow the movement of molecules from inside to outside or vice versa, and, as we've seen, also the communication between other cells.

So the answer to this question is D. Catalyzing chemical reactions in the cell, what they don't do.

The 3 postulates of the Cell Theory are:

-Every living being is composed of cells, therefore they are the minimal functional unit of life, in their different levels of structural complexity. One single

cell is enough to make up an organism, but also multiple cells can organize in colonies or in a single organism, diversifying their functions and having a margin of independence quite elevated as a whole.

-All of the vital functions of living organisms have a place inside the cell, through biochemical processes and are controlled by substances that the cell secrete. Each cell operates as a unique open system, that exchanges matter, and energy with its environment in a controlled way. Moreover, in each cell of an organism are present the same vital functions that are in the organism itself, that is birth, growth, reproduction, and death.

-Every existing cell comes from a previous cell, by cell division, or by formation from stem cells.

The individual with the lowest risk of getting cancer is someone getting a heart bypass surgery. Even though surgeries have riks, cancer is not one of them, and the rest of the conditions (HPV, hormone therapy and smoking) are fact

Explanation:

A colony forming unit, or CFU, is a unit commonly used to estimate the concentration of microorganisms in a test sample. The number of visible colonies (CFU) present on an agar plate can be multiplied by the dilution factor to provide a CFU/ml result.

A measure of the quantity of viable colonogenic cells per milliliter is called a colony forming unit (CFU). These give an idea of how many cells are still alive and able to divide and create small colonies.

Colony-forming unit (CFU, cfu, or CFU) is a unit used in microbiology to measure the number of viable microorganisms (bacteria, fungi, viruses, etc.) in a sample that can multiply through binary fission under controlled conditions.

Colony forming units, or CFUs, are frequently used to calculate the number of microorganisms present in a test sample.

A CFU/ml result can be obtained by multiplying the number of visible colonies (CFU) present on an agar plate by the dilution factor.

Therefore, A colony forming unit, or CFU, is a unit commonly used to estimate the concentration of microorganisms in a test sample.

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When we are looking at a population we can see that passes through different stages, generally, there is a beginning or lag phase, then comes an accelerated gro also known as exponential or log phase, until the population stabilizes and reaches the ecosystem charge capacity, this is also known as stationary or plateau phase, therefore we can say that the correct answer is option D.

When we are looking at a population we can see that passes through different stages, generally, there is a beginning or lag phase, then comes an accelerated gro also known as exponential or log phase, until the population stabilizes and reaches the ecosystem charge capacity, this is also known as stationary or plateau phase, therefore we can say that the correct answer is option D.

The correct answer is D. Conservation efforts, including a ban on certain pesticides. Conservation efforts imply hunting restrictions, as well as delimiting extensive areas for their conservation and releasing captive reared individuals in its natural habitat.