And I came equation iron + oxygen— iron oxide, iron oxide is the__of the reaction.

Answer:

Plants don't get their sugar from eating food, so they need to make sugar from sunlight. ... Once the sugar is made, it is then broken down by the mitochondria to make energy for the cell. Because animals get sugar from the food they eat, they do not need chloroplasts: just mitochondria.

They obtain their energy through the proteins the host (animal) consumes.

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Assuming that the medium-heat chili plant survives to maturity in the presence of packrats, it is likely that the fruits of the plant will have low heat. Here option B is the correct answer.

The experiment described in the passage suggests that packrats preferentially eat chili plants with higher-heat fruits, leaving behind those with lower-heat fruits.

This would result in natural selection favoring chili plants with lower-heat fruits, as these plants would have a better chance of surviving and producing offspring. Over time, this could result in the evolution of chili plants with lower-heat fruits.

Therefore, it is expected that the chili plant with medium-heat fruits would be more likely to survive and produce offspring, leading to the evolution of chili plants with lower-heat fruits. Consequently, the chili plant's fruits are likely to have low heat.

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Answer:

answer is B

Cambrian period

Answer:

the answer is b

Explanation:

The upper and lower tidal zones in which the barnacles Balanus and Chthalamus thrive when both species are present illustrate the principle of Competitive Exclusion.

Competitive Exclusion Principle is the idea that two species that share the same ecological niche cannot coexist indefinitely. One will ultimately outcompete and displace the other.The two barnacle species, Balanus and Chthalamus, share the same ecological niche and so are forced to compete for space and resources. They have a strong competitive relationship in which they try to gain an advantage over one another.

Balanus is usually the dominant species in the upper tidal zone, where it can tolerate the higher levels of exposure to air and sunlight. While Chthalamus is generally the dominant species in the lower tidal zone, where the water is usually colder and more turbulent, which is more favorable to its growth and survival.

Both species are well adapted to their respective tidal zones, but they have slightly different requirements, so they don't compete too intensely for resources. In this way, they are able to coexist without completely excluding each other from the ecosystem. Therefore, they demonstrate the principle of Competitive Exclusion in the upper and lower tidal zones in which they thrive.

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Explanation:

many people think Polaris is the sky's brightest star.... that's because it's located nearly at the north celestial pole, the point around which the entire Northern sky turns..... shining in the northern sky every night, from northern Hemisphere locations.... diagram or big Dipper with arrow from two stars to Polaris.

Jack benefits from proteins for muscle building, Ruth relies on carbohydrates for immediate energy, Sarah's body stores long-term energy through lipids found in olive oil, and Elizabeth gains insights into her ancestry through genetic testing that uses nucleic acids, specifically DNA.

Scenario 1: Jack is eating a diet high in proteins to help him build muscle. Proteins are biomolecules made up of amino acids. They play a crucial role in muscle development and repair. When Jack consumes protein-rich foods, such as lean meats, eggs, or legumes, his body breaks down these proteins into amino acids, which are then used to build and repair muscle tissues. Proteins also contribute to the synthesis of enzymes, hormones, and antibodies, supporting various physiological functions in the body.

Scenario 2: Before a race, Ruth drinks a beverage full of carbohydrates to get energy. Carbohydrates are the primary source of energy for the body. When consumed, they are broken down into glucose, which is readily available as fuel for cells. By drinking a carbohydrate-rich beverage, Ruth provides her body with a quick and easily accessible energy source to support her athletic performance. Examples of carbohydrate-rich foods and drinks include pasta, rice, fruits, and sports drinks.

Scenario 3: The molecules present in olive oil, known as lipids, help Sarah's body store long-term energy. Lipids are a diverse group of biomolecules that include fats, oils, and cholesterol. They are highly concentrated sources of energy and provide insulation and protection for organs. In Sarah's case, the lipids present in olive oil can be stored in her body as adipose tissue, serving as a reserve of energy to be utilized during periods of fasting or prolonged physical activity.

Scenario 4: Elizabeth learns more about her ancestors through a genetic test that uses nucleic acids, specifically DNA. Nucleic acids are large biomolecules that store and transmit genetic information. DNA, a type of nucleic acid, contains the instructions for building and maintaining an organism. By analyzing specific regions of Elizabeth's DNA, genetic testing can provide insights into her ancestry, identifying genetic markers associated with different populations or ethnic groups. This information helps Elizabeth trace her genetic heritage and understand her familial and ancestral connections.

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The question probable may be:

Drag each tile to the correct box. Match each scenario to the biomolecule being discussed.

Jack is eating a diet high in these molecules to help him build muscle. Before a race, ruth drinks a beverage full of these molecules to get energy.

These molecules in olive oil will help sarah's body store long-term energy.

A genetic test that uses these molecules tells elizabeth more about her ancestors.

Anterior or posterior - front (example, the kneecap is located on the anterior side of the leg). Back - posterior or dorsal (example, the shoulder blades are located on the posterior side of the body). Medial - near the body's midline .

The phrase anterior is one that is frequently used. You should be aware that it indicates that something is closer to or more close to the front of the body than something else. When comparing two separate structures, the word posterior denotes that something is towards the rear of the body or more towards the back of the body than another object.

The sternum, or our breastbone, is anterior to our spine, and our spine is posterior to our breastbone, since the breastbone is at the front of our body and the spine is at the rear.

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Answer:

Rational numbers are all numbers integers are like -1 -2 0 1 2 integers are negative whole numbers and positive whole numbers also 0 whole numbers are just 0 1 2 3 4 5 and so on

Answer:

Bar Graph is the answer..

Bar graphs are used to compare things between different groups or to track changes over time. However, when trying to measure change over time, bar graphs are best when the changes are larger..

Explanation:

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Answer:

I going to take Buzzfeed quizzes to find out what kind of pizza I am :)

Explanation:

Answer: C. Abscisic acid regulates water loss in plants by making plants close their stomata during hot weather.

Explanation:

The statements that are true concerning abscisic acid are:

Abscisic acid regulates water loss in plants by making plants close their stomata during hot weather. Option A

Abscisic acid regulates dormancy in plants by suspending plant growth during hot weather. Option B.

Abscisic acid is a plant hormone that is produced in mature green leaves, fruits and root caps.

The effect of abscisic acid enables the plant to withstand severe environmental conditions. Therefore options A and B are both correct.

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Answer:

receptor molecules.

Explanation:

Receptor molecules are the glycoproteins that binds specifically to a hormone or nerve signal and bring change in the cell activity and function.

:)

The total lifespan of a star is directly related to its initial mass, as the star's mass determines its internal temperature, pressure, and fusion reactions, which are the main factors of its energy.

The more massive a star is, the faster it burns through its fuel and the shorter its lifespan because massive stars have more fuel to burn and generate more heat, while low-mass stars have less fuel to burn and generate less heat and pressure in their cores, causing them to fuse elements at a slower rate.

Hence, the total lifespan of a star is directly related to its initial mass.

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Proteins play various roles in our body, including facilitating movement through muscle contraction, acting as enzymes to catalyze biochemical reactions, and providing structural support for cells and tissues.

All four biomolecules - lipids, sugars, proteins, and nucleic acids - play important roles in movement, enzymes, and structure within living organisms. Lipids can provide energy for muscle contraction and also form the phospholipid bilayer in cell membranes for structural support. Sugars, such as glucose, are essential for providing energy for cellular processes.

Proteins make up the contractile machinery in muscles for movement and also act as enzymes to facilitate chemical reactions. Nucleic acids, specifically DNA, provide the structural blueprint for the entire organism and also serve as templates for protein synthesis, which ultimately aids in movement and enzyme function. Proteins play various roles in our body, including facilitating movement through muscle contraction, acting as enzymes to catalyze biochemical reactions, and providing structural support for cells and tissues.

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If both parents have orange flowers, their genotypes would be RY. When determining the odds of a plant having red flowers, we need to consider the possible combinations of genes that the offspring can inherit from its parents. The odds that a plant will have red flowers if both of its parents have orange flowers is 1 out of 2, or 1/2.

In this case, there are two possible combinations:

Offspring inherits the R gene from one parent and the Y gene from the other parent (RY)

Offspring inherits the Y gene from both parents (YY)

Since the R gene produces red flowers, only the first combination (RY) would result in red flowers. The second combination (YY) would result in yellow flowers.

Therefore, the odds that a plant will have red flowers if both of its parents have orange flowers is 1 out of 2, or 1/2.

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The RB proteins play a critical role in regulating the cell cycle by inhibiting the progression from the G1 phase to the S phase.

When these proteins are missing or defective, the cells may lose their ability to properly control the cell cycle, leading to uncontrolled cell proliferation and potentially resulting in cancer. This is because RB proteins normally function as tumor suppressors, helping to prevent the development of cancer by controlling the cell cycle and preventing cells from dividing uncontrollably. Thus, the consequence of missing or defective RB proteins for cell-cycle regulation can be severe and may increase the risk of developing cancer.

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Answer:

SKATE

Explanation:

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Answer:

Whichever meal is the highest in protein.

Explanation:

Protein keeps you feeling fuller for longer, gives you long term energy and it also helps build muscle.

In the troposphere, CFCs are stable but in the stratosphere, CFCs are not stable and release damaging chlorine atoms when exposed to UV radiation.

Chlorofluorocarbons (CFCs) are compounds made up of carbon, chlorine, and fluorine atoms. They were once widely used in refrigerants, aerosol sprays, and foam insulation. However, because of their detrimental effects on the Earth's ozone layer, their use has been phased out.

In the stratosphere, CFCs are not stable and release damaging chlorine atoms when exposed to UV radiation. The chlorine atoms combine with ozone, resulting in a chain reaction that destroys the ozone layer, exposing the Earth's surface to harmful UV radiation.

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Endarterectomy is the excision of fatty deposits from the innermost lining of an artery.

Endarterectomy is a surgical procedure which involves the removal of plaque buildup in the walls of an artery, which can obstruct blood flow and increase the risk of heart attack or stroke. During an endarterectomy, the surgeon makes an incision in the affected area of the artery and carefully removes the buildup of plaque using specialized tools. The artery is then repaired and closed with sutures or a graft to restore blood flow to the affected organ or tissue.

Endarterectomy is commonly performed on patients with atherosclerosis, a condition in which fatty deposits accumulate in the arteries, causing them to narrow and harden. This procedure can help improve blood flow and prevent serious complications, such as heart attack or stroke. It is typically performed under general anesthesia and may require a short hospital stay for recovery. Overall, endarterectomy is a safe and effective treatment for removing fatty deposits from arteries and improving overall cardiovascular health.

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Answer:

There is nothing to look at or answer.

The quark composition of a deuterium nucleus is 3 up quarks and 3 down quarks.

Quarks are the most fundamental particles that make up the atomic nucleus. All solid matter that we know is made of three particles, which are the up and down quarks, 'u' and 'd', and the electron.

In this case we have that the composition of the quark in the nucleus will be 3 up quarks and 3 down quarks.

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A deuterium nucleus consists of one proton and one neutron. The quark composition of a deuterium nucleus is

A- 2 up quarks and one down quark

B- 2 up quarks and 4 down quarks

C- 3 up quarks and 3 down quarks

D -4 up quarks and 2 down quarks

The quark composition of a deuterium nucleus is  3 up quarks and 3 down quarks. Thus, option "C" is correct.

The quark composition of a deuterium nucleus is 3 up quarks and 3 down quarks. The overall charge of the deuterium nucleus is +1. Comparing the given overall charge to the chart of the Particles of the Standard  Model, the overall charge can be determined from the combinations of the choices.

Thus, option "C" is correct.

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In the Bread and Microbe lab, two "clean" and two "hands" slices of bread were done rather than one of each to maintain the control group and minimize the risk of errors. Scientists use a control group to ensure that their experiment is well-designed and to determine the baseline for comparison to the experimental groups.

If the control group is not included, then the research's validity and accuracy will be jeopardized. Therefore, it is necessary to perform a control experiment to provide a basis of comparison to measure the results of the experimental group.

What happens if one bread slice is handled and the other is untouched? The bacteria on the handled bread will begin to grow, multiplying exponentially and increasing in population. This implies that the experimental group has more microbes than the control group. If there is only one experimental group, there is no way to tell whether the rise in microbial population is due to the treatment or to an external factor. This is why, for any experiment, it is important to have a control group to compare the results.

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Answer:

Mitochondria are organelles in cells that produce energy. Sperm use the energy in the midpiece to move. The tail of the sperm moves like a propeller, around and around. This tail is a long flagella that pushes the sperm forward.

Explanation:

The Correct answer is D,"Small and isolated geographic ranges make avoiding unfavorable climate conditions difficult."

Climate refers to the long-term patterns of temperature, precipitation, humidity, wind, and other atmospheric conditions in a particular region or on the planet as a whole. Climate is influenced by a complex system of factors, including solar radiation, the composition of the atmosphere, the Earth's rotation, and the movement of ocean currents.

Climate can vary significantly from one region to another, and can also change over time. The study of past climate change can provide insights into how the Earth's climate system works, and can help scientists make predictions about how climate will change in the future. Climate change is a pressing global issue, as human activities such as burning fossil fuels and deforestation have caused an increase in greenhouse gas concentrations in the atmosphere, which traps heat and causes the Earth's temperature to rise.

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Answer:

a

Explanation:

Ribosomes would be distributed throughout a prokaryotic cell, but would be found restricted to the nucleus of an eukaryotic cell.

Eukaryotic cells have a distinct nucleus that separates the genetic material from the cytoplasm, which is where ribosomes are located in prokaryotic cells. The DNA in eukaryotic cells is packaged into chromosomes within the nucleus, while prokaryotic cells have a single circular chromosome located in the cytoplasm.

The cell membrane is present in both prokaryotic and eukaryotic cells, but chloroplasts are only present in eukaryotic cells that have the ability to perform photosynthesis, such as plant cells.

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Answer:the glucose molecule is oxydised in the mitochondria to produce co2 + water+ energy

Explanation:

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This statement is incorrect. Depressants actually slow down or depress the activity of the central nervous system, leading to a decrease in blood pressure, pulse, heart rate, and respiration.

Depressants are a class of drugs that have a calming or sedative effect on the body. Examples include alcohol, benzodiazepines, barbiturates, and opioids. These drugs work by enhancing the activity of the neurotransmitter GABA in the brain, which leads to the slowing down of nerve impulses and a decrease in central nervous system activity.

As a result, depressants typically have the opposite effect on the body compared to stimulants. While stimulants like cocaine and amphetamines increase blood pressure, pulse, heart rate, and respiration, depressants have the opposite effect and can lead to a decrease in these vital signs.

Therefore, The given statement is incorrect because depressants actually slow down or depress the activity of the central nervous system.

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The relationship between a decomposer and a dead body is essential for the natural environment to be in balance. Decomposers such as bacteria, fungi, and scavengers break down the dead body, releasing nutrients and energy back into the environment.

This process is known as decomposition and it is essential for the cycle of life. Decomposers break down the dead body, releasing nutrients and energy back into the environment and so, preventing the buildup of waste. The nutrients released can be taken up by other organisms in the environment, including plants which then produce more food for animals.

This cycle of decomposition and nutrient release is essential for the balance of the environment. Without decomposers, dead bodies would accumulate and cause an imbalance in the environment, resulting in disease and death of other organisms.

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