Match the names and descriptions to the correct phase of a star's life cycle.
PLATO. please help!

Answer:

cation: sodium(Na⁺)

anion: sulfate(SO₄²⁻)

Explanation:

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Answer:

cation: calcium, potassium

anion: chloride, iodine

Reserves of food. reserves of fat, carbohydrates, or (rarely) protein that are found in cells and tissues and serve as a vital energy reserve that can be released and used to produce ATP when the body needs it.

Animals, for instance, store fat in adipose tissue while storing carbohydrates in the form of the storage molecule glycogen in the liver and muscle cells. Starch, which can be found in seeds (where it is mobilised at germination) and perennating organs (see perennation), is a major storage compound in plants. Some species also use oils as significant storage materials (e.g. in the seeds of the castor-oil plant). The barley grain's endosperm, which is the biggest tissue, is frequently referred to as the "starchy endosperm."

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Answer: technology

Explanation:

Answer:

Sometimes, gene mutations prevent one or more of these proteins from working properly. By changing a gene’s instructions for making a protein, a mutation can cause the protein to malfunction or to be missing entirely. When a mutation alters a protein that plays a critical role in the body

Explanation:

Answer: Sometimes, gene mutations prevent one or more of these proteins from working properly. By changing a gene’s instructions for making a protein, a mutation can cause the protein to malfunction or to be missing entirely. When a mutation alters a protein that plays a critical role in the body,

I hope this helps

Answer:

Active transport requires energy because substance move from low concentration to a high concentration. (Going against the concentration gradient)

Example:

For example, in the root hair cell minerals and ions are absorbed into the plant by active transport and you will find a lot of mitochondria in the root hair cell. So, it can supply the cell energy by aerobic respiration to undertake active transport.

During the summer months, glaciers at the poles melt, delivering fresh water to the ocean. This process lowers the salinity of the ocean. Saltwater in the oceans is denser than freshwater.

When the freshwater is added to the oceans, it dilutes the salt content of seawater. This results in a decrease in the salinity of the ocean. Therefore, the melting of glaciers in the poles will reduce the salinity of the oceans. The melting of glaciers also changes the salinity level of the water in the polar region.

The increase in freshwater also affects the ocean currents, which transport warm and cold water around the world. A change in the temperature of seawater can result in a change in climate. As the climate changes, the polar ice caps continue to melt, and the ocean currents continue to shift, which can create a more significant impact on the planet.

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No. A silent mutation in a gene will not result in a different DNA sequence compared to an unmutated version of the gene.

Silent mutations are a type of point mutation that occur in the DNA sequence of a gene but do not alter the resulting amino acid sequence of the encoded protein. These mutations typically involve changes in the third nucleotide position of a codon, where multiple codons can encode the same amino acid. Due to the redundancy of the genetic code, a change in the third position of the codon may not affect the final protein product.

As a result, the DNA sequence of the gene with a silent mutation will be the same as the unmutated version, with no observable change in the protein sequence. Therefore, the correct answer is: No.

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The middle muscular layer of the heart wall - the thickest and pumps blood through the vessels is called the myocardium.

The myocardium is the middle and thickest layer of the heart wall, located between the inner endocardium and the outer epicardium. It is composed of cardiac muscle cells, also called cardiomyocytes, that are specialized to contract and relax in order to pump blood through the circulatory system.

The myocardium is responsible for the contraction of the heart and generates the force needed to push blood through the arteries and veins. It also contains the electrical conduction system that regulates the heartbeat and ensures coordinated contractions of the heart chambers. The thickness and strength of the myocardium varies depending on the size and workload of the heart.

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Changes sea level by 100 meters

Exposure of continental shelf

Changes in continental shelf composition

Mass extinctions of species in certain areas

Changes in the water cycle

Changes in landscape

Changes in topsoil characteristics

Answer:

A. Ice Ages

Explanation:

These periodic changes on Earth are a result of the five major ICE AGES that have occurred throughout Earth's history

The five major Ice Ages that throughout the Earth's history we're the following:

1. the Huronian: this occurred around 2.4 billion years ago

2. Cryogenian: this followed Huronian age, and it occurred around the period of 850 million years

3. Agondean-Saharan: this major ice age occur around 460 million years ago.

4. Karoo this is a period of about 360 million years

5. Quaternary is the present age, and it has been in existence since about 2.6 million years ago till the moment

Hence, in this case, the correct answer is Ice Ages

Answer:

and __chromatin__...., other__organelles___

The given statement is true.

Some proteobacteria contain mitochondria. Mitochondria are believed to have evolved from an ancestral proteobacterium through endosymbiosis. This theory, known as the endosymbiotic theory, suggests that mitochondria were once free-living bacteria that were engulfed by a host cell and formed a symbiotic relationship. The proteobacteria group includes diverse bacteria, and some of them, such as the alpha-proteobacteria, are believed to be the closest relatives to mitochondria.

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Background information that may be needed to accurately determine nutritional and health status includes:

Dietary history: This includes information about what the person typically eats, how much they eat, and how often they eat.

Medications: This includes information about all the medications the person takes, including prescription and over-the-counter medications, as well as dietary supplements.

Medical history: This includes information about any chronic diseases the person has, as well as any other medical conditions that may affect their nutritional status.

Social history: This includes information about the person's living situation, their income, and their access to food.

Physical activity level: This includes information about how active the person is, both in their leisure time and at work.

Family history: This includes information about any chronic diseases that run in the family, as well as any other genetic factors that may affect the person's nutritional status.

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The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.

The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.

The given values are:

Thickness of the cell membrane = d = 8.0 x 10⁻⁹ m

Potential difference across the membrane = V = 0.070 V

The electric field E is given by the formula: E = V/d

The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.

A cell membrane is made up of two layers of lipid molecules, which are arranged in a specific way that separates the inside and outside of the cell. The inner and outer surfaces of a cell membrane carry a negative and a positive charge, respectively. Because of these charges, a potential difference of about 0.070 V exists across the membrane.

The thickness of the cell membrane is 8.0×10⁻⁹ m. To determine the magnitude of the electric field in the membrane, we use the formula:

E = V/d

where E is the electric field, V is the potential difference, and d is the thickness of the membrane.

Substituting the given values, we get:

E = 0.070 V / 8.0×10⁻¹⁹ m E = 8.75 x 10⁶ V/m

Therefore, the magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.

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Water soluble molecules are unable to cross the plasma membrane of cells due to the hydrophobic nature of the phospholipid bilayer that makes up the membrane. The hydrophobic tails of the phospholipids repel water soluble molecules, preventing them from passing through the membrane. Additionally, the membrane contains integral proteins that act as selective channels or pumps, allowing only specific molecules to pass through.

These proteins have specific binding sites that recognize certain molecules and transport them across the membrane. Water-soluble molecules do not have the correct structure to bind with these proteins, which limits their ability to enter the cell.

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This mode of speciation is caused due to polymorphism.

In biology, polymorphism is a discontinuous genetic variation that occurs among members of a single species, giving rise to a variety of various forms or types of individuals. Individuals within a population are split into two or more clearly different forms by a discontinuous genetic variance.

To study about polymorphism as a mode of speciation, Uta stansburiana, the side-splotched lizard was selected, and studied. It was discovered that the polymorphism has endured for millions of years and is widespread regionally. However, many populations have fewer throat color variations than normal. The polymorphism was revealed to be ancestral by phylogenetic reconstruction, yet it has independently disappeared eight times, frequently giving rise to physically separate subspecies or species.

Male, female, and sexual dimorphism all experienced accelerated evolutionary change as a result of polymorphism loss, suggesting that this phenomenon may speed up population divergence and facilitate the emergence of new species.

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Answer:

Decomposers.

Explanation:

Decomposers are the organisms that obtain energy from dead organic matter and help in nutrient cycling. The example of such type of organisms are bacteria and fungi. These organisms feed on the dead bodies of plant and animals. It perform two function i.e. clean the environment by removing the dead body through feeding on it and add nutrients in the soil which helps the plants to grow more efficiently.

Answer:

Rotation is the spinning of an object in one place. Revolution is the circling of an object in a given orbit (path).

Explanation:

When the earth rotates, it spins on its own axis which is tilted at 23.5 degrees. Thus, we can conclude that the earth rotates on its axis every 24 hours relative to the Sun.

When the Earth completes one revolution around the sun in a fixed orbit in 365.25 days. This means the earth takes approximately 365 days to completely encircle around the sun and return back to its original position.

(The extra .25 day is added every year to make up one full day. Hence, we see a leap year every 4 years).

Aristotle's anthropocentric view places humans at the center and considers other organisms as means to human ends, whereas the biocentric outlook recognizes the intrinsic value of all living things and emphasizes the interconnectedness and independent pursuit of well-being by each organism.

Aristotle's anthropocentric view, while reflective of the dominant perspective during his time, is heavily criticized from the perspective of today's sustainability. This view places humans at the center and considers the natural world as existing solely for human benefit. It disregards the intrinsic value and interconnectedness of all living organisms and ecosystems. This anthropocentric mindset has led to unsustainable practices, exploitation of natural resources, and the degradation of ecosystems, resulting in environmental crises such as climate change, habitat loss, and species extinction.

On the other hand, Paul Maylor's biocentric outlook aligns more closely with the principles of sustainability. It recognizes the inherent worth and autonomy of all living beings and acknowledges the interdependence of organisms within Earth's community. This perspective emphasizes the need for ecological balance and harmonious coexistence, promoting a more holistic approach to environmental stewardship.

From the standpoint of sustainability, the biocentric outlook offers a more comprehensive and ecologically responsible framework. It encourages a shift away from exploitative practices towards a greater respect for the intrinsic value of nature and the need for conservation and preservation. By recognizing the interconnectedness of all life forms, this perspective promotes sustainable living that supports the well-being of both humans and the natural world.

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Answer:

A glacial lake outburst flood (GLOF) is a type of outburst flood caused by the failure of a dam containing a glacial lake. An event similar to a GLOF, where a body of water contained by a glacier melts or overflows the glacier, is called a jökulhlaup. The dam can consist of glacier ice or a terminal moraine.

Thymus gland has functions as part of the endocrine system by secreting a hormone that functions as part of the endocrine and immune system.

Answer:

Explanation:

Over the course of the past 2 million years, the Earth's plant life has undergone significant changes. During this time period, many plant species went extinct, likely due to a combination of factors such as climate change, disease, and human activity. The most notable extinction event occurred during the Cretaceous period, where a significant portion of plant species went extinct. This was likely due to a massive asteroid impact that caused widespread destruction and altered the planet's climate.However, it's not all doom and gloom, as there have also been instances of recovery and diversification in plant life throughout the millions of years. For example, after the mass extinction event of the Cretaceous period, new plant species evolved and diversified to fill the ecological niches left behind by the extinct species. This process of speciation and adaptation has led to the diverse array of plant life we see on Earth today.In summary, plants have gone through a complex history of extinction, recovery, and diversification over the course of the past 2 million years. The most notable extinction event occurred during the Cretaceous period, but new species have evolved and adapted over the millions of years, leading to the diverse array of plant life we see today.

Three unique anatomical characteristics that differentiate the Parvorder Platyrrhini from the Parvorder Catarrhini are the presence of a flat, broad nose with outward-facing nostrils, a three premolar dental formula, and the ability to rotate their shoulder joints.

The Parvorder Platyrrhini, also known as New World monkeys, exhibit distinct anatomical features that set them apart from the Parvorder Catarrhini, which includes Old World monkeys, apes, and humans.

Nose Shape: Platyrrhini have a flat, broad nose with nostrils that are directed laterally, or outward. This contrasts with the downward-facing nostrils of Catarrhini, which are positioned closer together.

Dental Formula: Platyrrhini have a dental formula of 2-1-3-3, meaning they have two incisors, one canine, three premolars, and three molars on each side of their upper and lower jaws. In contrast, Catarrhini have a dental formula of 2-1-2-3.

Shoulder Joint Rotation: Platyrrhini possess the ability to rotate their shoulder joints to a greater degree than Catarrhini. This adaptation allows them to navigate their arboreal habitats more effectively, as they can move their arms in different directions and grasp branches with greater flexibility.

These three anatomical characteristics highlight the evolutionary divergence between Platyrrhini and Catarrhini, reflecting their adaptations to different ecological niches and habitats.

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1. It is not likely that the fish will survive.

2. The operculum assists in maintaining a constant flow of water over the gills, allowing for efficient oxygen uptake and carbon dioxide elimination.

Fish would most likely not survive if their operculums were cut and they were returned to the ocean. The operculum is crucial to fish respiration and their capacity to draw oxygen out of the water.

A bony flap called the operculum covers and shields a fish's gills. By promoting the flow of water over the fish's gills, it aids in the process of respiration. The operculum aids in controlling the flow of water that runs over the fish's gills as it goes through its mouth.

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Answer:it’s a

Explanation: they are hydrophilic

The option which is true about the structures labeled C in the cell membrane is they are hydrophilic in nature. Thus, the correct option is D.

A cell membrane may be defined as a biological membrane that separates the interior of the cells with respect to its outer environment.

In the labeled structure, A is an integral protein, B is a lipid-anchored protein, C is hydrophilic polar lipid molecules, while D is hydrophobic non-polar lipid molecules.

Therefore, it is well described above.

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Answer:

1. Glycolysis

2.false (not sure)

3. Cellular respiration is the process through which cells convert sugars into energy.

4 C6H12O6 + 6O2 → 6CO2 + 6H20 + energy (Glucose + Oxygen yields Carbon Dioxide + Water + Energy)

5. Fermentation is a chemical process by which carbohydrates, such as starch and glucose, are broken down anaerobically.

6 anaerobic

7 alcoholic and lactic acid.

8 Alcoholic fermentation is a biotechnological process accomplished by yeast, some kinds of bacteria, or a few other microorganisms to convert sugars into ethyl alcohol and carbon dioxide. ... Alcoholic fermentation begins with the breakdown of sugars by yeasts to form pyruvate molecules, which is also known as glycolysis.

9 In this reaction, a phosphate group (in red) is transferred from phosphocreatine to ADP to form ATP very rapidly, allowing muscle contraction to continue for about 10 seconds. When phosphocreatine is depleted, the muscles must turn to metabolism of fuel molecules to produce more ATP to power physical activity.

10 At this point, the runners' muscle cells are producing most of their ATP by lactic acid fermentation, which can usually supply enough ATP to last about 90 seconds.

12 After that, the body begins to break down other stored molecules, including fats, for energy. If photosynthesis is the process that "deposits" energy in a "savings account," then what is cellular respiration? It is the process that "withdraws" energy.

13 Cellular Respiration and Photosynthesis are almost opposite processes because photosynthesis removes carbon dioxide from the atmosphere while cellular respiration puts back carbon dioxide. Cellular respiration uses oxygen and has it's waste product of carbon dioxide (CO2).

Explanation:

sorry sa 11 at 14 dq nasagutan

Answer:

Chromosomes, DNA, proteins

Explanation:

The answer to this question is the second one: Mass extinction, and this is because, throughout the history of our planet, there have been geological events, such as meteorization that have produced the different phases of the soil, and corresponding to each layer, there's a geological time associated, and in hence, a particular fauna and flora.

If only in a particular layer we can see those species, there are high probabilities of that being because of a massive extinction.