What is ATP and cartiac arrest?

Component molecules assemble in different ways to form the basic units of carbs and protein. In carbs, that basic unit is a saccharide, another word for sugar. Monosaccharides are single-unit sugars, the simplest carbs. These can link up with each other to form two-unit sugars -- also known as disaccharides -- or polysaccharides, which can be hundreds of units in length. In contrast, amino acids are the basic units of proteins. Approximately 20 types of amino acids act as your body's primary protein building blocks. They can assemble in very complex ways to form helices, pleated sheets, globules or even multi-unit protein structures.

While protein's primary role is structural, carbohydrates primarily serve as an energy source. In fact, glucose -- one of the simplest carbohydrates -- is your body's preferred energy currency. Whenever your body derives energy from protein because of a low supply in carbs, protein components must undergo a number of biochemical changes to be useful in energy production. Proteins serve above all as your body's building blocks. Every cell needs them for structure, but they also play important roles as molecule transporters, hormones, disease-fighting agents and enzymes Some carbs -- namely fiber -- are important for bowel health and waste elimination

Carbohydrates are the major source of energy to our body while proteins are the building blocks of our body.

The main source of energy of our body are carbohydrates on the other hand, proteins act as the building blocks of our body. Carbohydrates and proteins are important macromolecules. Carbohydrates are composed of simple sugars and proteins are composed of amino acids.

Carbon, hydrogen and oxygen are the main elements of carbohydrates and proteins contain Carbon, hydrogen and oxygen, Sulphur or Nitrogen. Carbohydrates are broken down to make glucose to fuel the body and all enzymes, many hormones and many neurotransmitters are proteins.

As a result, this is how functions of proteins differ from the functions of carbohydrates.

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Answer:

either A , D

Explanation:

all for have a vertabrae,although the gorilla and the chimpanzee do show signifacant same structure.

Answer: The correct answers are A and D

Explanation:

Two organism appears to be similar because they share more recent common ancestor. The body structure of the chimpanzee and gorilla appear similar because they share most recent common ancestor.

The organism frog, dog, gorilla and chimpanzee have vertebral column which means that all the four organism share the common vertebral ancestor.  

Answer:

For a simple machine.

Explanation:

Generally,  you would call the instance of having great output force when inputing a smaller force - a mechanical advantage.

I took the class I think it’s Antarctica

Answer:

Cell therapies would use stem cells, or cells grown from stem cells, to replace or rejuvenate damaged tissue. Scientists also want to use stem cells to understand disease and find drugs that might treat it. Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury.

Researcher's preference for embryonic stem cells is attributed to their totipotency and capacity to differentiate into any cell type, which is key in medical research and therapy development. Cloning techniques can create tissue matches to avoid transplant rejection. Nevertheless, ethical issues arise from the destruction of embryos in the process.

Researchers prefer to use embryonic stem cells in medical research due to their unique characteristics. These stem cells are totipotent, which means they have the potential to develop into any type of cell in the body, leading to significant medical applications such as the study of human embryonic development and the creation of therapies for replacing damaged tissue. Cloning techniques that employ embryonic stem cells may also enable the growth of tissue matching the donor DNA exactly, eliminating issues of tissue rejection in transplants.

Moreover, they can be grown in culture, allowing researchers to harvest and amplify these cells. Significant progress has been made in the field; for example, scientists like Freda Miller and Elaine Fuchs discovered stem cells in skin that assist in its repair, potentially aiding treatments for skin diseases and nerve damage. However, this field is accompanied by ethical concerns due to the destruction of embryos during cell harvesting, leading to moral, religious, and philosophical objections.

Answer:

Photosynthesis takes place in chloroplasts; cell walls allow plants to have strong, upright structures; and vacuoles help regulate how cells handle water and storage of other molecules.

Final answer:

Chloroplasts, with their chlorophyll and other pigments arranged in an antenna complex, are the main structures that facilitate photosynthesis in plant cells. The process also involves the stomata for gas exchange and the mesophyll layer which houses the chloroplasts.

Explanation:

The structures inside plant cells that help with photosynthesis are called chloroplasts. These chloroplasts contain chlorophyll, the pigment responsible for the green color of plants, and are the sites where photosynthesis occurs. Chloroplasts consist of a double membrane enclosing an inner fluid called the stroma, which contains coin-like thylakoids stacked in grana. The thylakoids have a specialized membrane that embeds the chlorophyll and accessory pigments, organized in an antenna complex that captures solar energy and transfers it to a reaction center. Additionally, the process of photosynthesis in leaves involves cellular structures such as stomata regulated by guard cells for gas exchange, and the mesophyll layer where the chloroplasts are largely located.

Answer:

B. Meteorites struck the region that Mexico now occupies

Explanation:

The meteorite or comet that struck in the area where Mexico is located in the present is not part of the consequences of the extinctions event. The reason why it is not part of the consequences is that it is the factor that caused the consequences, so it can not be both the thing that caused something and also the consequence of it. This meteorite or comet managed to create such a huge explosion, that it managed to wipe out pretty much all large and medium sized land dwelling animals. And that was not caused only by the explosion itself, but also because it drastically changed the climate with the huge amounts of ashes and dust released into the atmosphere, as well as the triggering of the volcanoes around the world. This mass extinction though opened up the gates for the evolution of the mammals which soon became the dominant animals on the planet.

The Cretaceous-Paleogene mass extinction resulted in the extinction of large, land-dwelling dinosaurs. It led to the evolution of diverse species and left empty ecological niches to be filled in the future.

The Cretaceous-Paleogene mass extinction was caused by a cataclysmic impact of a large meteorite, or asteroid, off the coast of what is now the Yucatán Peninsula. This impact led to the extinction of nearly every single large, land-dwelling dinosaur. The extinction event resulted in diverse species of animals evolving and ecological niches being left empty but with the potential to be filled. However, meteorites striking the region that Mexico now occupies and clouds of dust and gas billowing into Earth's atmosphere were not direct results of this extinction event.

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The top layer of the ocean is the warmest because it absorbs most of the sunlight, resulting in a less dense water that stays at the surface. This layer, mixed by winds and currents, is called the mixed layer. Below this, temperature decreases rapidly in the thermocline, and deep layers receive no sunlight, remaining cold and stable.

The top layer of the ocean is the warmest because it is most directly affected by the sun's energy. The sunlight efficiently heats the ocean's surface, resulting in a warm, less dense layer of water. This layer is referred to as the mixed layer, which has a uniform temperature due to the mixing effects of surface winds, waves, and currents. Beneath this mixed layer is the thermocline, a zone where the temperature drops rapidly with increased depth. Deeper parts of the ocean are substantially cooler because sunlight cannot reach them, and water here has minimal interaction with atmospheric temperatures.

The density of seawater, which is determined by its temperature and salinity, contributes to the ocean's stratification, with denser (colder and saltier) water lying below lighter (warmer and less salty) water. Human activities have increased the temperature at the ocean's surface, and satellite observations have confirmed the expansion of low-productivity areas in the ocean due to reduced vertical mixing and nutrient supply caused by this increased stratification.

Furthermore, the ocean absorbs a significant amount of the Earth's heat, with most of it concentrated near the surface. This is due to the ocean's high specific heat capacity, which allows it to absorb a lot of energy with only a small increase in temperature. Overall, the ocean's top layer remains the warmest due to a combination of sunlight absorption, wind-induced mixing, and the high heat capacity of water.

They may have shared the same matter.

Answer:

Explanation:

The most common form of nitrogen in your body is proteins containing mainly carbon, hydrogen, oxygen and nitrogen. While neither humans nor animals can get nitrogen into their bodies from the air or soil, they do gain nitrogen from vegetation or other animals which eat vegetation.

The correct answer is C. Beeswax.

I hope this helps! : )

The incorrect step in the rock cycle is 'Sediments melt deep beneath Earth's surface' because sediments do not melt to form magma; solid rocks do when subjected to high heat.

The step in the rock cycle which is not correct is: D. Sediments melt deep beneath Earth's surface. During the rock cycle, sedimentary rocks, igneous rocks, or metamorphic rocks may be subjected to heat and pressure to become metamorphic rocks, or they may melt to form magma.

However, it is not sediments that melt to form magma; rather, it is existing solid rocks that melt due to high heat.

In the rock cycle, sedimentary rocks are typically formed when rocks on Earth's surface break down into small pieces that are then compacted and cemented together. Igneous rocks form when magma or lava cools and hardens.

Metamorphic rocks are created when existing rocks are subjected to great heat and pressure, but without melting. These processes are continuous and over time, rocks can transform from one type to another, driven by Earth's geological forces.

Answer:

A

Explanation:

The light energy from sunlight in photosynthesis is used to split the water molecule into H+ and O2-. The H+ is then used to reduce NADP+ to NADPH.  Through photophosphorylation, the energy from the sun is also used to make ATP from ADP. As the electrons are passed from one protein to the other in the chain, the energy released is what is used to create ATP.

Oxygen is evolved out as a byproduct

NADP+ + 2e- + 2H+  -->  NADPH + H+

The ondes that need the presence of light to occur are A. ATP and NADPH

The end products of the light-dependent reactions in photosynthesis, which require the presence of light, are ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate). These products serve as energy carriers that are subsequently used in the light-independent reactions (also known as the Calvin cycle) to produce carbohydrates.

Option B is incorrect because oxygen is produced as a byproduct of the light-dependent reactions, not as an end product that is utilized within the process. ADP (adenosine diphosphate) and NADP+ (nicotinamide adenine dinucleotide phosphate) are converted to ATP and NADPH, respectively, during the light-dependent reactions.

Option C is incorrect because phosphorus and sugar are not the primary end products of the light-dependent reactions. While the production of sugars occurs during the light-independent reactions, phosphorus is not directly involved in the light-dependent reactions.

Option D is incorrect because carbon dioxide and nitrogen are not end products of the light-dependent reactions. Carbon dioxide is utilized in the light-independent reactions to synthesize sugars, and nitrogen is typically not directly involved in the light-dependent reactions of photosynthesis.

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Answer:

Option A, oxygen in the atmosphere

Explanation:

The highest level of oxygen reached during this phase of the geological cycle of earth. The oxygen level in  Carboniferous  period accounted for 35%  as compared to 21% of oxygen in the atmosphere in present time.

Due to high oxygen content, the giant and wide varieties of terrestrial animal and plant species evolved. For example – size of insects and carwlies increased, plant became extremely giant, increase in number of tree ferns etc.

During the Carboniferous period, plants and animals grew very large due to high concentration of oxygen in the atmosphere and the correct option is option A.

The Carboniferous period is a geologic period and system that spans from 358.9 to 298.9 million years ago in the Paleozoic Era. It is named after the Latin word "carbo", meaning coal, as this period saw the formation of large coal deposits. The Carboniferous period is also known as the "Age of Amphibians" due to the dominance of these animals on land.

During the Carboniferous period, the Earth's continents were slowly coming together to form the supercontinent Pangea. This led to a warm and humid climate, which was ideal for the growth of swamp forests. These forests were home to a wide variety of plants and animals, including amphibians, reptiles, and insects.

Thus, the ideal selection is option A.

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Answer:

when you don't take care of your self by not eating healthy, not exercising, and smoking or any kind if adult-like thing you see

Explanation

Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm. ... Antibiotics kill or inhibit the growth of susceptible bacteria. hope this helps

C. Incomplete Dominance

Incomplete dominance

Answer:

The Moon rises and sets every day, like the Sun. ... But the Moon is orbiting around the Earth; every day, it moves eastwards (further left from the Sun) by about 12 degrees. This means that it increasingly lags behind the Sun, by about 50 minutes a day. i hope this helps

Explanation:

I think the answer you’re look for is (a) hybrid

A hybrid is the offspring of two different species and is often infertile due to differences in genetic instructions from each parent. The ability of species or hybrids to reproduce and the fitness of the offspring can impact species evolution over time. Being part of the same species is defined by the ability to breed and produce fertile offspring.

The offspring of two different species, such as a liger, are referred to as a hybrid. Hybrids are produced when individuals from two separate species interbreed. Often, these hybrids are infertile, meaning they cannot produce offspring themselves. This is due to differing genetic instructions from each parent species, which may interfere with the development of viable offspring. This characteristic of infertility among hybrids is noticeable in the example of a liger, a hybrid between a lion and a tiger.

However, there are situations where the hybrid offspring are more fit than the parents. In such circumstances, reproduction could continue between the species and the hybrids, potentially leading to a merging of the two species. The fit of hybrid creatures compared to their parents can impact how species evolve over time.

It's worth noting that being part of the same species is normally defined by the ability to breed and produce fertile offspring. Therefore, although two organisms may appear similar or even virtually identical, such as bald eagles and African fish eagles, they are confirmed as separate species due to their inability to produce fertile hybrids.

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Answer:

An epiphyte is a type of plant that grows on another plant. However this plant should not be confused with a parasitic plant. Epiphytes obtain nutrients from the air and dust around them, not affecting the host plant.

Explanation:

Epiphytes are plants that grow on other plants for physical support without extracting nutrients from the host, utilizing moisture and nutrients from the air and debris instead. Examples include many orchids and bromeliads like "Spanish moss".

The phrase that best describes a plant that is an epiphyte highlights its unique lifestyle of growing on other plants without relying on them for nutrition. Epiphytes utilize the host plant merely for physical support while deriving moisture and nutrients from the air, rain, and debris accumulation. Common examples include many orchids and bromeliads (e.g., "Spanish moss"), showcasing the incredible adaptability of these plants to their environment by developing specialized aerial roots for nutrient absorption and moisture capture.

Answer:

Recombinant DNA (rDNA) molecules are DNA molecules formed by laboratory methods of genetic recombination (such as molecular cloning) to bring together genetic material from multiple sources, creating sequences that would not otherwise be found in the genome.

SOURCE FROM: https://en.wikipedia.org/wiki/Recombinant_DNA

Based on my observations, I can conclude that lithospheric motion of the South American plate with the Nazca plate and the African plate causes the earthquakes to engage nearest to volcanic activity causing it to either erupt the volcano, or increase the damage caused by the volcano.

False! Climate change

The Earth used to be way colder than it is today

C is the correct answer. > is made mostly of hydrogen and helium

Answer:

B, C

Explanation:

B,C

Ventricles pump the blood outa heart...

Left ventricle pumps it through aorta to organs

And right ventricle pumps it to lungs to get oxygen

Answer:

Answer: A ventricles

Explanation:

:)

Answer:

D. The acidity of the lake to increase

Explanation:

Fun fact: did you know tomatoes are acidic because they have a pH value lower than 7?

Answer:

Option D, the acidity of the lake to increase.

Explanation:

The increase of hydrogen ion in lake water increases the acidity of the lake. The acidity of lake is associated with pH of the water which depends on the hydrogen ions concentration as established by the equation given below –  

pH[tex]= - log H^+\\[/tex]

The hydrogen ion concentration is directly proportional to the acidity of the lake water. Thus, higher the H+ ion concentration, the higher will be  the acidity of water.

A minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.

A centriole is a cylindrical organelle composed mainly of a protein called tubulin found in most eukaryotic cells.  The main function of the centriole is to help with cell division in animal cells. The centrioles also help in the formation of the spindle fibers that separate the chromosomes during cell division. They are made of nine triplets of microtubules arranged in a cylinder.

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Answer:

The answer is C

Explanation:

Because the earth's surface is made up of different types of land and water, it absorbs the sun's heat at different rates. One example of this uneven heating is the daily wind cycle.

Answer:

C. (Wind is caused by uneven heating of the earth).

Explanation:

Have a good day :)

The formula for speed is: v=x/t, where v is speed, x is distance, and t is time.

v=27/9

v=3

B) 3 m/s

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Final answer:

The dog's speed is calculated using the formula speed = distance/time, which gives us a speed of 3.0 m/s for the interval mentioned.

Explanation:

Speed is calculated as distance divided by time. In this case, the dog ran 27 meters in 9 seconds. Therefore, the speed is 27m / 9s = 3m/s.

To calculate the dog's speed for the interval during which it ran 27 meters in 9 seconds, we use the formula for speed which is speed = distance/time. In this case, the distance is 27 meters and the time is 9 seconds.

Speed = 27 meters / 9 seconds = 3 meters/second

Therefore, the dog’s speed for this interval of the game of fetch is 3.0 m/s, which corresponds to option B.

Which structural characteristic is seen in RNA but not in DNA?​

Answer:

The correct answer is the difference in the nucleotide constituents.

Explanation:

Both DNA and RNA are the nucleic acid present in the organisms but both show certain structural differences in their nucleotide as followed :  

1. Sugar- sugar in RNA is known as ribonucleic acid whereas nucleic acid in DNA lacks OH group at 2' carbon position and is known as de-oxy ribonucleic acid.

2. Nitrogenous base- four types of bases bond with each other namely adenine, cytosine, guanine and thymine in DNA similar to RNA but RNA has "uracil" present in their sequence instead of thymine.

Thus, the difference in the nucleotide constituents is the correct answer.

Answer:

B. Hurricanes

B. Hurricanes

That is the answer