The incidence of phenylketonuria (PKU), an autosomal recessive genetic disorder, is approximately 1 in 4,500 in Ireland. Assuming Hardy-Weinberg equilibrium, what is the probability that an Irish female, who is phenotypically normal with no family history of PKU, and an Irish male, who like his parents does not have PKU, but does have a sister with PKU, will have a child with PKU?

Answer:

it is D

Explanation:

A grizzly bear’s habitat comprises of the physical area where the bear lives

A habitat is defined as the dwelling home of living organisms.

There are three major types of habitat; namely:

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Answer:

a branch of science concerned with the relationships between living things and their environment or the pattern of relationships between living things and their environment.

Explanation:

Answer:

Primary succession

Explanation:

Primary succession is mostly cause by volcanic eruption

The first ecosystem to occur in the Mount St. Helens after eruption is the primary succession.

The term primary succession refers to the organisms that first occur in an ecosystem after a major event such as the volcanic eruption has taken place.

In this case, the first ecosystem to occur in the Mount St. Helens after eruption is the primary succession.

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Answer:

C) Energy stored as ATP

Explanation:

100% on edge

Answer:

The correct answer is - option B.

Explanation:

The proximal convoluted tubule or PCT is the the part of nephron that lies in between of loop of Henle and bowman's capsule. The PCT is responsible for the most amount reabsorption of sodium, glucose, amino acids, water, potassium and chloride and reabsorbs around 65% to 100% of filtered substance.

Epithelial cells in the PCT reabsorb substances that have nutritional importance by the numerous microvilli on their surface.

Thus, the correct answer is - option B.

Answer:

In a similar way a wooden tongue-depressor stick (like the kind used at the doctor's office) stores elastic potential energy when you bend it (though not if you break it). ... The elastic potential energy that was stored in the stick is transformed into movement, called kinetic energy.

Explanation:

Answer:

It's true.

Explanation:

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research.

When the scientists test the idea, they develop a theory by following a set of logical steps. A theory becomes a scientific law once it has been rigorously examined and accepted. Thus, option A is correct.

One prevalent fallacy is the idea that hypotheses eventually become laws. Despite the number of supporting examples, hypotheses do not actually become laws after repeated testing.

Scientific laws, like theories, explain occurrences that the scientific community has determined to be verifiably true. In general, laws explain what will occur in a specific circumstance and are proven by a mathematical equation, whereas theories explain how the phenomenon occurs.

Therefore, A testable explanation of a natural event is what constitutes a scientific hypothesis. The concept of gravity, for instance, explains why an apple always falls to the ground when.

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Answer: b

Explanation: i got the answer wrong and i’m looking at the results rn

Protein is being produced with the help of a process called translation in which mRNA gets translated to produce proteins. The translation is followed after the process of transcription of DNA to RNA.

The cause of the greater influence of protein levels has defined as follows:

Thus, we can conclude that mRNA destroyer concentration has a greater influence because it is destroying mRNA before proteins can even be produced. Hence, option (b) is the correct answer.

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Answer:

[tex] \underline{ \underline \orange{see \: below}}[/tex]

Explanation:

Conjunctivitis is an inflammation, infection of the conjunctiva. It is the most common ocular disease worldwide.It is characterized by a pink appearance because of subconjuctival blood vessels hemorrhage.

Simply, we can define it as :

Conjunctivitis ( pink eye ) is an inflammation or infection of the transparent membrane ( conjunctiva ) that lines your eyelid and covers the white part of your eyeball.

Pink eye is commonly caused by a bacterial or viral infection , an allergic reaction or in babies.

The most common pink eye symptoms include:

Hope I helped !

Best regards!

Answer:

Its B....

Explanation:

Get that 100.

Answer:

Las plantas son productores primarios, mientras que los animales son consumidores

Explanation:

La cadena alimenticia está conformada por niveles tróficos donde la energía fluye desde los niveles basales representados por la base de la pirámide, hasta los niveles superiores (pico de la pirámide). De este modo, los organismos representan diferentes eslabones de acuerdo a su posición en la cadena alimenticia. En el primer nivel se encuentran los productores primarios como lo son, por ejemplo, las plantas y algas de ambientes terrestres y acuáticos, respectivamente, siguiendo por los consumidores primarios (por ejemplo, especies hervívoras), continuando sucesivamente por los consumidores secundarios, terciarios y cuaternarios (especies carnívoras), los cuales se encuentran en posiciones cada vez más altas de la pirámide. No obstante, es importante indicar que existen ocasiones donde los consumidores superiores (ya sea secundarios, terciarios y cuaternarios) se alimentan de especies situadas por debajo de diferentes niveles no consecutivos e incluso también de especies pertenecientes al mismo nivel trófico, con lo cual encajando en más de una categoría y dificultando su clasificación en la cadena.

Answer:

K=3

Explanation:

We divide both sides by 9 which is 9k/9=27/9 then cancel 9 by 9 and by 9 once by 9 thrice.

Answer:

1. The oxidation number of Ca is 2, F is -1 in CaF₂

2. The oxidation number of H is 2, S is 6, O is -8 in H₂SO₄

3. The oxidation number of Ca is 2, S is 6, O is -8 in CaSO₄

4. The oxidation number of H is 1, F is -1 in HF

Explanation:

To get the oxidation number, we need to take the oxidation number of the whole compound 0. Then we need to know the oxidation number of the other elements and we need to take 'x' as the oxidation number of the unknown element.

Example:

In case of CaSO₄,

We can write an equation as-

CaSO₄ = 0

If we need to know the oxidation number of S

We can write the equation like this-

→2+ x+ (-2*4) = 0 (as we know the oxidation number of Ca is 2 as it has two electrons in its last shell which it gives to other elements to form bonds and the oxidation number of O is -2 as it takes 2 electrons to complete its outer shell)

→2+ x+ (-8) = 0

→2+ x- 8 = 0

→x- 6 = 0

→x = 6; which is the oxidation number of S

The following are the oxidation numbers:

In CaF2, the oxidation number of Ca is +2, and that of F is -1.

In H2SO4, the oxidation number of H is +1, that of S is +6, and that of O is -2.

In CaSO4, the oxidation number of Ca is +2, that of S is +6, and that of O is -2.

In HF, the oxidation number of H is +1, and that of F is -1.

Oxidation numbers are a way of representing the degree of oxidation (loss of electrons) or reduction (gain of electrons) of an element in a chemical compound. The oxidation number of an element is calculated based on the number of valence electrons (electrons in the outermost energy level of an atom) and the rules for assigning oxidation numbers.

In general, the oxidation number of an element is equal to the charge it would have if all the bonds in the compound were ionic (made up of positive and negative ions). This allows chemists to predict the behavior of elements in a compound and to balance chemical equations.

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Answer:

a

Explanation:

because that is all he had left of extinct animal's.

Answer:

A

Explanation:ithink not sure

Answer:

Disorders involving sex chromosomes.

we can take Turner's syndrome n klinefelter's syndrome as examples.

The correct answer is C. This statement is false. Gene flow reduces the divergence of populations.

Explanation:

In biology and related areas, genetic divergence occurs if populations with a common ancestor develop unique traits, which are the result of genetic changes over time. On the other hand, gene flow occurs when traits including genes flow from one population to another, usually because the populations are in contact. In this context, gene flow reduces divergence because if genetic material flows between populations is less likely each population can develop unique traits, instead the populations involved will have similar traits after some time.

The correct answer is C. This statement is false. Gene flow reduces the divergence of populations.

The following information should be considered;

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Answer: The cilia sweep out mucus and dirt so your lungs stay clear. Smoking temporarily paralyzes and even kills cilia. This makes you more at risk for infection. Smokers get more colds and respiratory infections than non-smokers.

Explanation:

Answer:

It is called EXCRETION.

Explanation:

This is a process by which metabolic waste is removed from a living organism.

The excretory organs removes these waste.

Accumulation of these in the body is very harmful to our system.

Hope all these helps.

Answer and Explanation:

Datos:

1º Cruza: un cuy de pelo crespo y un cuy de pelo liso

Parental)  PP    x    pp

Gametas) P   P      p   p

Cuadro de Punnet)      P          P

                             p     Pp       Pp

                             p     Pp       Pp

F1) 100 % de la progenie posee pelo crespo

     4/4 tienen genotipo heterocigoto.

2º Cruza: un cuy heterocigoto de la F1 y un cuy homocigoto recesivo

Parental)   Pp      x       pp

Gametas) P    p        p     p

Cuadro de Punnet)     P         p

                          p    Pp        pp

                          p    Pp        pp

F2)   50% de la progenie tiene pelo crespo

       50% de la progenie tiene pelo liso

       2/4=1/2 de la progenie es heterocigota

       2/4 = 1/2 de la progenie es homocigota recesiva.

Answer:

Rayleigh wave

Explanation:

Rayleigh waves are a type of surface acoustic wave that travel along the surface of solids. They can be produced in materials in many ways, such as by a localized impact or by piezo-electric transduction, and are frequently used in non-destructive testing for detecting defects.

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Rayleigh wave, surface acoustic waves called Rayleigh waves move along the surface of solids, hence option D is correct.

They are commonly employed in non-destructive testing to find flaws and can be created in materials in a variety of methods, as by a localized impact or by piezoelectric transduction.

These include what are known as Rayleigh waves. A Rayleigh wave's amplitude decreases with depth below the surface and becomes noticeably tiny at depths greater than a few wavelengths.

As a result, the disturbance is limited to a solid's surface layers. The motion experienced by the surface layers includes both transverse and longitudinal components.

Therefore, Rayleigh wave type of seismic wave is highlighted in the image.

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Answer:

D

Explanation:

While performing an experiment, it is important to record observations and measurements, as in Option d. Option d is correct regarding the facts of the experiments, while the others are wrong.

The experiment is carried out to observe the hypothesis, and in this process, a control set-up is taken whose value or result is already known, and the variables are taken and compared with the control. The controls set should never change in the experiment because the variables are tested with reference to them, and the measurements and observations of the experiment should be taken into consideration to prove the hypothesis. All the variables should not be tested at once because if this is done, it would introduce error into the experiment, and not all the experiments are done to get the conclusion.

Hence, while performing an experiment, it is important to record observations and measurements, as in Option d.

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Answer:

this is true

Explanation:

if it isnt in the leaves of a plant, then its in the stem, or maybe, the entire thing is green!

flowers have green stems, trees have green leaves, lily pads are green, etc.

hope this helped

Answer:

True

Explanation:

All plants contain chloryphyll

Answer:

It is 'C'

Explanation:

The chemical reaction that occurs in the chloroplast is:

6CO₂ + 6H₂O → C6H₁₂O₆ + 6O₂

The electromagnetic energy of sunlight is converted to chemical energy in the chlorophyll-containing cells of photosynthetic organisms. The granum stores the photon particles from light and converts its energy into chemical energy to convert carbon and water into glucose and oxygen.

Answer:

c

Explanation:

Answer:

C) density-dependent inhibition will cause the cells to divide until the dish is completely full

Explanation:

Just took the exam

Answer:

Oxygen debt is a physiological phenomenon in which a person consume oxygen at fater rate that it replaced by new oxygen molecules.

As shown in the graph, oxygen debt occurs just after the end of exercise because oxygen is consumed at faster rate during exercise that leads to  increased respiration and body attempts to replace the used oxygen.

To overcome the problem of oxygen debt, a person should take rest that allows the body to replenish its oxygen supply.

The question is incomplete,below is the complete question.

Mr. B has been transferred to your floor to wait and see whether the chest tube allows his lungs to completely re-expand. But when he arrives, he is in severe respiratory distress. He says "I felt better before I came into the ER! Is this tube doing anything?"

You tell the Clinical Nurse Specialist (CNS). As the two of you move him into the bed, you notice that his chest tube bottle is lying on its side on the gurney, with air going into it. When you point this out to the CNS, she immediately grabs the bottle and sets it upright on the floor. You see air start bubbling through the fluid right away. "That was the problem!" she says. "They lost the water seal, and air was going into his chest from the bottle. You would not believe how many times that happens on transport." When you examine Mr. B, you have trouble detecting his lung sounds on the left. Even stranger, his apical heart sound is in the wrong place - it is over toward the right side of his chest. His respiration rate and heart rate are both increased, and he is struggling to breathe. "Let's give him a little oxygen. He'll be a lot better in a half-hour," says the CNS. "Check back on him."

QUESTION - Why would accumulation of air in his pleural space cause his heart sounds to be in the wrong place?

Accumulation of air in Mr B pleural space will cause his heart sound to be heard in the wrong place because the left side is his chest is being filled up with air making the organs in his chest to to be pushed over to the right side.

Answer: It contains leach aluminium.

Explanation:The ecological effect of acid rain are most Clearly seen in aquatic environment such as, stream, lakes and marshe where it can be harmful to fish and other wildlifes.