which of the following determines the identity of an element?
a. atomic number
b. mass number
c. atomic mass
d. overall change

Answer:

Mitochondria

Explanation:

Mitochondrial diseases are a group of diseases caused by dysfunctional mitochondria, organelles that generate energy for the cell. Mitochondrial diseases are often caused by mutations, acquired, or inherited in the mitochondrial DNA or nuclear genes that code for respiratory chain complexes in the mitochondrion. Mitochondrial diseases involve multiple organs and show heterogeneous and unpredictable progression. The most common clinical presentation of mitochondrial diseases is encephalomyopathy, and epileptic seizures can frequently occur as a presenting sign of mitochondrial encephalopathy.

Answer:

I think so, I dont exactly know how to explain it, sorry

Explanation:

Explanation:

Dinosaur tracks are a type of trace fossil. These are evidence of an animal's activity when it was alive, but are not part of the animal itself.

Answer: He/she can be possibly commit mistakes, though with a noble prize.

Explanation: He/she remains a human person before and after the prize. But, it has a degree of huge impact to those who know that person. Many people will tend to believe what he/she said due to the title that she/he acquired. The best thing that people do is to verify this hypothisis on their own.

Answer:

One of it is kinetic energy and the other is heat up!

Explanation:

trust me i got this correct! Hope this helps! :)

Particles of ground have thermal and gravitational energy. Hence, thermal energy can be used in the production of electricity and gravitational energy can be converted into motion energy.

When temperature increases, atoms, and molecules move faster and collide with each other and produce thermal energy. It is also known as heat energy. One of the important applications of thermal energy is the production of electricity in thermal power plants.

Gravitational energy is the pulling force exerted by the Earth. It is a potential energy present in any object because of its height from the Earth. Gravitational force is used in determining the masses of planets. Many activities in our daily life are possible because of gravitational energy.

Thus, this is how energy present in particles of ground is very useful.

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Answer:

its atomic number

Explanation:

Answer:

forgive me if im wrong i believe its the atomic number

The movement of \(Cl^-\) ions from outside to inside the cell will result in an increase in the intracellular concentration of negatively charged \(Cl^-\) ions. This will lead to a decrease in the overall negative charge across the cell membrane, resulting in less negative membrane potential. The correct answer choice is (b) the membrane potential will become less negative.

This is because the \(Cl^-\)ions are negatively charged, and as they move into the cell, they will neutralize some of the negative charges on the inside of the cell membrane. This will reduce the potential difference across the membrane, making it less negative.

The movement of \(Cl^-\) ions is spontaneous, meaning it does not require energy input from the cell. Instead, it occurs due to the concentration gradient, with \(Cl^-\) ions moving from an area of higher concentration (outside the cell) to an area of lower concentration (inside the cell).

Therefore, the correct answer choice is (b) the membrane potential will become less negative.

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The segmented income statement for Shannon Company shows the sales, variable expenses, contribution margin, allocated common fixed expenses, and net operating income for each division. The percentages are calculated by dividing each item by the total sales and multiplying by 100. This segmented statement provides a clear view of the financial performance of each division and the company as a whole.

Segmented income statements provide a detailed breakdown of the financial performance of different divisions or segments within a company. In this case, we have Shannon Company, which consists of two divisions: North and South. The overall sales, contribution margin ratio, and net operating income for the company as a whole are $810,000, 32%, and $16,200, respectively. The North Division has a contribution margin of $111,600 and a contribution margin ratio of 36%, while the South Division's segment margin is $105,000. Additionally, there are $170,100 of common fixed expenses that cannot be traced to either division.

To prepare the segmented income statement, we need to allocate the common fixed expenses to the two divisions. The allocated expenses will be subtracted from the segment margins to arrive at the net operating income for each division. Here is the segmented income statement for Shannon Company:

Shannon Company Segmented Income Statement

Divisions      Total Company        North      South

Amount ($)     % of Sales           % of Sales % of Sales

-------------------------------------------------------

Sales          $810,000             $XXX       $XXX

Variable expenses:

 Variable costs $XXX                 $XXX       $XXX

 Contribution margin $XXX             $XXX       $XXX

Fixed expenses:

 Common fixed expenses allocated:

   North Division   $XXX              $XXX       $XXX

   South Division   $XXX              $XXX       $XXX

Net operating income $16,200            $XXX       $XXX

To calculate the percentages, we divide each amount by the total sales and multiply by 100. The North Division's contribution margin ratio is already given as 36%.

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This drug probably binds to the funny channel in the heart.

This is a current found in the heart which possess effects which are opposite to those of most other heart currents.

It has a mixed Na+–K+ inward current activated by hyperpolarization which makes it easier for the drug to produce depolarization thereby decreasing heart rate.

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Answer:

8

Explanation:

Sir Francis Bacon believed that science should be determined through the scientific method, which involves empirical observation, experimentation, and the use of inductive reasoning to derive general principles and laws.

Sir Francis Bacon was an English philosopher, statesman, and scientist who is credited with developing the scientific method. Bacon believed that the key to scientific knowledge was the use of empirical observation, experimentation, and the use of inductive reasoning to derive general principles and laws. He believed that scientific knowledge should be based on facts and evidence rather than on speculation or tradition. Bacon argued that scientific knowledge should be based on observation and experimentation rather than on speculation or authority. He believed that scientific knowledge should be tested and verified through empirical methods and that it should be based on facts and evidence. Bacon's scientific method involved four steps: observation, hypothesis, experimentation, and conclusion.

In conclusion, Sir Francis Bacon believed that science should be determined through the scientific method, which involves empirical observation, experimentation, and the use of inductive reasoning to derive general principles and laws. He believed that scientific knowledge should be based on facts and evidence rather than on speculation or tradition, and that it should be tested and verified through empirical methods.

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None of the parameters used during Taylor's experiment are qualitative.

This is defined as the data that approximates and characterizes and doesn't involve the use of numbers to quantify. Examples include fur or eye color etc.

The data given are all quantitative data which was why option D was chosen as the most appropriate choice.

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Answer:

II and III

Explanation:

Acid will decrease pH levels in water and corrode monuments like marble statues and rust metals, but has no correlation to nitrogen depletion.

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Answer:

Gasoline is a complex blend of compounds made from petroleum. There are various grades of gasoline. Thus it is a mixture. A classmate claims that brass and silver are both pure substances because they have a uniform composition throughout.

Explanation:

Aluminum is a chemical element so it is a pure substance. Thus it is a mixture. Gasoline is a complex blend of compounds made from petroleum

Answer:

A mixture

Explanation your reasoning:

The fraction of gasoline that is made up of octane affects how the gasoline burns in a car.

Leads II, III, and aVF reflect ischemic changes in the right coronary artery. The leads II, III, and aVF are known as the inferior leads in an electrocardiogram (ECG).

These leads specifically monitor the electrical activity of the heart's inferior wall, which is primarily supplied by the right coronary artery (RCA). Ischemic changes in the RCA can be detected by observing abnormalities in these leads.

The RCA is responsible for supplying blood to the inferior part of the heart, including the inferior wall and the posterior part of the septum. When there is a blockage or reduced blood flow in the RCA due to ischemia, it can lead to changes in the ECG recordings of the inferior leads (II, III, and aVF).

These changes may include ST-segment depression, T-wave inversion, or the development of pathological Q-waves, indicating myocardial ischemia or infarction in the area supplied by the RCA.

Therefore, by analyzing the ECG findings in leads II, III, and aVF, healthcare professionals can identify and assess the presence of ischemic changes in the right coronary artery territory, providing valuable diagnostic information for patient care.

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Answer:

Time, slope and type of rock.

Explanation:

Over time soil begins to erode to to many factor, such as wind and water. The slope of the ground effect the soil and make it loose, thus why we have landslides. As you may know there are different types of rock and many different layers of rock in the ground due to fossilization and the process of sediment. This can affect the soil as well making it less fertile or loose/hard. This can make it harder to grow agriculture into the land.

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Answer:

The correct option is C.

Explanation:

The first blank is referring to the process through which plants or animals obtain chemical energy from the sun, which is photosynthesis. The second blank is referring to the process through which the chemical energy is converted into usable energy, which is respiration. Finally, the last blank is referring to the fact that not all the stored energy is efficiently converted into usable energy and some of it is released into the ecosystem as heat. Therefore, the correct answers in order are: photosynthesis; respiration; heat. These answers are found in option C.

They share the same kind of plate boundaries, but there is one difference.

As the Earth's crust is folded and forced upward along convergent plate boundaries, such as the one between the Indian Plate and the Eurasian Plate, towering mountain ranges, like the Himalaya, are formed.

This kind of convergent plate boundary produces some of the most well-known ocean trenches. The oceanic crust of the Nazca plate subducts into the continental crust of the South American plate, creating the Peru-Chile Trench off the west coast of South America.

1) convergent boundary: When plates move in the same direction, they create a convergent boundary. 2) Divergent boundary: When plates deviate from one another, a divergent boundary is created. 3, the transform border.

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Answer:

The inheritance pattern in the pedigree is autosomal dominant. This can be concluded because affected individuals appear in every generation and can have unaffected parents. Additionally, the trait affects both males and females equally. Finally, if an affected individual mates with an unaffected individual, approximately half of their offspring will be affected, which is consistent with an autosomal dominant pattern of inheritance.

Explanation:

The bacterium may obtain sustenance from lactose, a type of sugar. Upregulation of the lactose gene would occur.

When lactose is present, the lac repressor is unable to bind DNA. As a result, RNA polymerase may now attach to the lac operon promoter and start transcription.

It turns out that the lac operon promoter is not very well bound by RNA polymerase on its own. Without the aid of catabolite activator protein (CAP), it might be able to create a modest number of transcripts, but it won't be able to do much more. The binding of CAP to a region of DNA just before the lac operon promoter, which helps RNA polymerase bind to the promoter, promotes high levels of transcription.

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Answer: empirical, replicable, or provisional,

Explanation:

Answer:it’s C

Explanation:

All of the following statements about the Calvin cycle are correct except (a) G3P leaves the Calvin cycle to form sugar.

The Calvin cycle, also known as the Calvin-Benson cycle, is a light-independent process that takes place in the stroma of chloroplasts of the eukaryotic cell. The Calvin cycle is the main part of the dark phase of photosynthesis in which carbon dioxide, water, and ATP are used to make glucose. Carbon dioxide, RuBP, ATP, and NADPH are the reactants required for the Calvin cycle.

Glucose is ultimately used to produce cellular energy, and sugar is formed as a by-product. The Calvin cycle has three primary stages: carbon fixation, reduction, and regeneration. G3P, a three-carbon sugar molecule, is the direct precursor of glucose and fructose.

Glyceraldehyde 3-phosphate (G3P) is the major end-product of the Calvin cycle and serves as the starting point for the synthesis of other organic compounds within the chloroplast or exported to the cytoplasm. The correct statements about the Calvin cycle are: It is light-independent.ATP and NADPH are produced.

Carbon dioxide reacts with RuBP to form 3-PGA, which is then converted to 3PG. 1,3-bisphosphoglycerate (BPG) is produced by the reaction. BPG is then converted to G3P. Therefore, option (a) is correct.

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Answer: B. Data are collected about a population.

Explanation: Because you have to collect the population level to be able to complete both surveys.

Answer:

the first one

Explanation:

In some angiosperm plants, pollen grains express spikes on their surface that help them stick to the pollinator's body and incrceases the chances of cross-fertlization. Option B. Angiosperm.

Different families among the Angiosperm group produce pollen with spikes on their surface.

This is a strategy developed by these plants to ensure cross-fertilization. Let us remember that pollen is the masculine cell released by the masculine organ of the plant. This cell meets the ovocell and fertilize.

In cross-fertilization, pollinators play an important role since they carry pollen from one plant to another one.

To ensure pollen sticks to the pollinator's body and succesfully get to another flower, Angiosperm developed spikes that help the grain to  cling to the pollinator's body. Once the insect get to the new flower, pollen is deposited, increasing the chances of cross-fertilization.

The correct answer is b. Angiosperm

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Answer:

Question 13:

B. False

The most abundant photoreceptors that detect dim light are Rods, not Cones. Rods are highly sensitive to low light conditions and are responsible for vision in dim light and peripheral vision. Cones, on the other hand, are responsible for color vision and high visual acuity but are less sensitive to low light conditions.

Question 14:

A. True

The iris is the muscular tissue in the eye that adjusts the size of the pupil, controlling the amount of light entering the eye. It contracts or expands to regulate the size of the pupil in response to changing light conditions.

Question 15:

B. False

Opsins are visual pigments found in photoreceptor cells, specifically in the retina of the eye. They are responsible for capturing light and initiating the process of vision. Opsins are not derived from Vitamin D. Vitamin D is a separate compound involved in various physiological processes in the body, including calcium absorption and bone health.

Explanation:

Common examples of biological processes that involves chemical reactions are as follows:

A chemical reaction is typically a process that involves the breaking or making of interatomic bonds, in which one or more substances called reactants are changed into other substances called products.

Chemical reactions, as mentioned in this question, are essential to life, hence, cannot be overemphasized.

Specific chemical reactions that take place inside living organisms are termed biochemical reactions.

Some common examples of biological processes that involves chemical reactions are as follows:

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