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Calculate the magnification of the drawing. Show your working.

The line AB is 2.1cm

Answer:

the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.

Explanation:

The hormonal control of the secretion in bile and pancreatic juice during the digestive processare called the hormones.

Your small intestine produces the hormone cholecystokinin. It is crucial to the way the body breaks down food. Cholecystokinin causes your pancreas and gallbladder to contract when fats and proteins enter your small intestine. To aid in the breakdown of the meal for absorption, they transport bile and enzymes to your duodenum.

A hormone called cholecystokinin serves as a component of your digestive tract. Your small intestine releases it (secretes it) during digestion. It is sometimes referred to as pancreozymin. While its role in the brain and central nervous system is not fully known, cholecystokinin is also present there.

The next phase of digestion is initiated when food travels from your stomach into the duodenum, which is the first portion of your small intestine. Cholecystokinin is released into the bloodstream when I-cells, which are cells in the mucosal lining of the duodenum, sense the presence of proteins and lipids to breakdown.

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Answer:

b

Explanation:

animals poop which feeds the ground lol

Photosynthesis and respiration recycle carbon in plants. Animals get carbon from plants and exhale it. Therefore, option (B) is correct.

The biogeochemical process known as the carbon cycle involves the transfer of carbon between the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth. Carbon is the most common element found in organic compounds, and it also plays a significant role in the chemical makeup of numerous minerals, including limestone.

Through the process of photosynthesis, plants take in carbon from their surroundings and then release it during the process of respiration. Plants are the source of carbon for animals, and animals exhale carbon during the process of respiration.

Therefore , option (B) best explains the roles plants and animals play in recycling carbon.

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Answer:

My claim is that features and objects on the sea floor can be visualized using mechanical waves by using sonar technology. Sonar technology works by emitting sound waves and then measuring the time it takes for the waves to bounce back from the seafloor or any objects in the water. By analyzing the data collected by the sonar, we can create images of the sea floor and any objects that are present. This allows us to visualize the features and objects on the sea floor, including underwater mountains, valleys, and even shipwrecks.

Explanation:

Answer:

your answers would be A. and D. hope it helps

Explanation:

Answer: d

Explanation: exhaling carbon dioxide removes the unwanted air from your body

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a. DIY DNA extraction methods typically use household ingredients and may lack specialized reagents for optimal yield, purity, and efficiency compared to extraction kits designed with standardized protocols.

b. Differences can be assessed through factors such as protocol complexity, DNA yield, purity assessment, and reproducibility of results between DIY and kit-based extractions.

a. The DIY DNA extraction and an extraction using a kit can differ in several aspects:

Ease of Use: DIY DNA extraction methods often utilize household ingredients and materials, making them simpler and more accessible for amateur scientists or educational purposes. Kits, on the other hand, are specifically designed with pre-measured reagents and detailed protocols, providing a standardized and user-friendly approach.

Efficiency and Yield: DNA extraction kits typically incorporate optimized protocols and specialized reagents that ensure higher efficiency and yield of extracted DNA. DIY methods may not always achieve the same level of efficiency, leading to lower DNA recovery or potential contamination.

Purity and Quality: DNA extraction kits generally include steps and reagents to remove contaminants (such as proteins and RNA) and ensure higher purity of the extracted DNA. DIY methods may lack these purification steps, resulting in impurities or degraded DNA.

b. A few indicators can help determine the differences between DIY DNA extraction and kit-based extractions:

Protocol Complexity: Comparing the step-by-step procedures of DIY methods and kit-based methods can reveal differences in complexity and the presence of additional purification or quality control steps in kits.

DNA Yield: Quantifying the yield of extracted DNA can provide insights into the efficiency of the extraction method. If the yield from a DIY extraction is consistently lower compared to a kit-based extraction, it suggests that the kit-based method may be more efficient.

Purity Assessment: Evaluating the purity of the extracted DNA can be done through techniques such as spectrophotometry or gel electrophoresis. If the DNA extracted using a kit shows less contamination or degradation than the DIY-extracted DNA, it indicates better quality control in the kit-based method.

Reproducibility and Consistency: Performing multiple extractions using both the DIY method and a kit and comparing the results for consistency and reproducibility can also indicate differences in performance and reliability.

It's important to note that DIY DNA extraction methods can be useful for educational purposes or preliminary experiments, but for more precise and standardized results, DNA extraction kits developed by reputable manufacturers are generally recommended.

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The one that is comprised of all the robust australopiths is the genus Paranthropus. Therefore, the correct answer is option C.

The robust australopiths are a group of fossil hominins that existed in Africa between 2.5 and 1.4 million years ago. There is some disagreement about their proper taxonomy, but at the moment, they are considered members of the genus Paranthropus. They are mostly found in the East and Southern Africa regions.

Some characterizations of this genus are:

Attached below is an image of the skull of the species P. boisei from the genus Paranthropus.

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Answer:

  3 1/3 ft

Explanation:

You want to know the length of an area that totals 5 5/6 square feet and is 1 3/4 feet high.

The formula for the area of a rectangle is ...

  A = LW

Filling in the given values, we have ...

  5 5/6 = L·(1 3/4)

Solving for L gives ...

  L = (35/6)/(7/4) = (35/6)(4/7) = 140/42 = 10/3 = 3 1/3

The length of the painted area is 3 1/3 feet.

__

Additional comment

You might be asked to write the answer as a fraction: 10/3, or as a decimal: 3.33. In the latter case, you may need to round to tenths: 3.3.

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The cells in a developing embryo are most likely to have the gene for making telomerase switched on.

Damaged tissues cannot be healed because cells with short telomeres are unable to proliferate. Damaged tissues cannot be healed because cells with short telomeres are unable to proliferate. A warning is issued to the gene to stop producing any proteins when telomeres lengthen too much.

Exercise every day for at least 30 minutes at a moderate level. Studies have indicated that maintaining telomere length while engaging in moderate aerobic activity enhances telomerase activity and your body's antioxidant defenses.

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Answer:

Macrophage

Explanation:

Monocytes move from the systemic circulatory system into general connective tissues, where they differentiate into what phagocytic cell type?

I think...

Basophils are cells of the innate immune system that does not perform phagocytosis. These cells (basophils) release granules of enzymes to fight against harmful microorganisms and recruit other inflammatory cells.

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According to question, loving and caring for others is the moral lesson of the Gift of Magi .

The moral of "The Gift of the Magi" is that a sacrifice is worthwhile if it serves a higher purpose. We must ensure that the greater good is served when the sacrifice is someone's life. The tale serves as a reminder that love is the source of the most precious gifts.

Henry is renowned for his "twist endings," and "The Gift of the Magi's" conclusion is arguably the most well-known of all of them. At the conclusion of the narrative, Jim sells his watch to purchase Della combs for her hair, and Della trims and sells her hair to buy Jim a chain for his watch.

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If a person loves sugary candy and coffee but hates drinking water, their urine characteristics may include a darker color due to dehydration. Additionally, the urine may have a strong, distinct odor due to the concentration of waste products.

The urine may also have a higher sugar content, as consuming sugary foods and drinks can lead to excess glucose being excreted in the urine. Overall, it is important for individuals to maintain proper hydration by drinking enough water throughout the day to avoid negative urine characteristics.

A person who loves sugary candy and coffee but hates drinking water may have urine characteristics such as dark yellow color, strong odor, high specific gravity, and potentially increased glucose levels. The dark yellow color and strong odor can be due to dehydration, as they consume less water. High specific gravity indicates concentrated urine, also a result of low water intake. Increased glucose levels may be observed if excessive sugar consumption leads to elevated blood sugar levels, which can then be reflected in the urine.

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Answer:

1- Im not sure, im so sorry! I hope i could help, if I have the answer ill edit this :)

2- When you eat some form of carbohydrate, the body breaks it down into glucose, such as pasta, fruit, bread or sugar. Glucose is absorbed into the bloodstream and, to be used for energy, insulin helps extract it from your blood into your cells.

3- The breakdown of molecules for energy occurs in the muscle region as people work out, which is why people may feel their muscles burning at the end of a difficult workout.

Explanation:

Intro:

Hello!!! Princess Sakura here ^^

Explanation:

1.) Every cell in your body needs oxygen for cellular respiration. Cellular respiration uses oxygen to break down sugar and create energy. The mitochondria are organelles that produce ATP and usually the muscle cells need the most because they are always working.

2.) The carbs you consume converts to blood sugar. So the more carbs you ingest the higher the levels of glucose you'll have released.

3.) It's because as we workout the breakout of molecules for energy happens in the muscle area, and that's because muscles have the most energy and needs the most energy.

Transferring a new species of fish from a natural lake to a man-made lake can have several impacts on the ecosystem of the lake. However, of the options given, the most likely alteration would be option C, the ecosystem of the lake.

Introducing a new species of fish into an ecosystem can cause a disruption in the balance of the food chain, as the new fish may compete for resources with the existing fish species in the lake. This can lead to changes in the abundance and distribution of other fish and aquatic organisms, which can ultimately alter the entire ecosystem of the lake.

Option A, the fish's ability to adapt, is less likely to be affected because the fish may have the ability to adapt to the new environment, but it is uncertain whether the fish would be able to adapt successfully to the new lake.

Option B, the genes of the fish, may be altered over time as a result of natural selection in response to the new environment, but this would likely take several generations to occur and would not have an immediate impact.

Option D, the ability of other fish to adapt, is also less likely to be affected because the introduction of a new species of fish does not directly affect the ability of other fish to adapt to their environment.

Therefore, option C, the ecosystem of the lake, is the most likely to be altered by the introduction of a new species of fish.

~~~Harsha~~~

Answer:

Explanation:

hope it help you

pick me as the brainliest

Answer:

Beakers and Erlenmeyer flasks should not be used to measure volume unless you need only a very crude estimate because their accuracy for volume measurements is so poor. They can hold a much larger volume than any of the other types of glassware, however, which makes them useful for mixing solutions.

Explanation:

Answer: Because they do not give accurate measurement

Explanation:  beakers and flask are used to hold liquid higher in quantity or volume , so their measurement lines aren't precisely used for measuring nd it wont give u accurate answer EXCEPT u do a guess work or project

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If an amino acid is not hydrogen bonding with another amino acid, it is most likely hydrogen bonding with a solvent molecule, such as water.

Amino acids, as the building blocks of proteins, contain functional groups that can form hydrogen bonds with other functional groups. For example, the amino (-NH2) and carboxyl (-COOH) groups in amino acids can form hydrogen bonds with each other to create the peptide bond that links amino acids together in a protein. However, not all functional groups within an amino acid molecule will be involved in forming the peptide bond or hydrogen bonding with other amino acids. Some functional groups may interact with solvent molecules, such as water, which surround the amino acids in an aqueous environment. These interactions help to stabilize the protein structure and play a crucial role in the function of the protein.

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Answer:

B

Explanation:

The breakup of Yugoslavia resulted in genocide because ethnic cultures came into conflict with one another.

The Bosnian War was one of the chapters in the fragmentation of Yugoslavia, also marked by conflicts in Slovenia, Croatia and Kosovo throughout the 1990s. The Bosnian War took place in Bosnia between 1992 and 1995, during the process of fragmentation of the former Yugoslavia .

The new Yugoslavia consisted of six nations: Serbia, Croatia, Slovenia, Montenegro, Macedonia and Bosnia and Herzegovina. Between 1953 and 1980, Tito managed, through dictatorial power, to impose control over the different ethnic groups existing in the Balkans.

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Answer: Round

Explanation:

That's what i put on mine lol

Answer: 75% Round 25% wrinkled

Explanation:

KEGG is a depiction of a biological system comprising of molecular building blocks: all of them, i.e. genes, proteins as well as chemical substances.

KEGG is a database resource that is utilized for comprehending the high level functioning of various biological systems like the cell, the organism as well as the ecosystem. It makes use of the molecular-level data to represent a biological system on computers.

KEGG comprises of molecular constituents of genes, proteins as well as chemical substances. KEGG is an acronym used to represent "Kyoto Encyclopedia of Genes and Genomes". It provides information that is useful for the analysis of genetic functions on a molecular level.

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Given data: Adult dosage of a substance is 280mg. Rule for calculating dosage for children between 1 to 12 years of age is given by the function, D(t) = a * t / t + 12. To find the rate of change of this function with respect to the child's age, we need to differentiate the function with respect to t.

Let's differentiate this function with respect to t. d/dt [ D(t) ]= d/dt [ a * t / t + 12 ]

Using quotient rule,= [ a * (t + 12) - a * t ] / ( t + 12 )²= a / ( t + 12 )²

Thus, the rate of change of child's dosage with respect to child's age is given by D'(t) = a / ( t + 12 )².

Hence, the required expression is D'(t) = 280 / ( t + 12 )².

Now, substituting t = 3,

we get, D'(3) = 280 / (3 + 12)²

= 280 / 225

= 1.244 mg/year

Substituting t = 12,

we get, D'(12) = 280 / (12 + 12)²

= 280 / 576

= 0.486 mg/year

Therefore, the rate of change of a child's dosage with respect to his or her age for a 3-yr-old child is 1.244 mg/year and for a 12-yr-old child is 0.486 mg/year. We are given the formula, D(t) = a * t / t + 12, which represents the dosage for a child as a function of their age, t. To find the rate of change of this function with respect to the child's age, we need to differentiate the function with respect to t.

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The illustration above is a representation of multiple gene alleles on the same chromosome. One inherited trait linked to alleles "A", "a", "D", "D", "t", and "T" is determined by multiple chromosomes.

What are chromosomes?

A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's genetic code. The very long, thin DNA fibres in most chromosomes are covered with packing proteins; in eukaryotic cells, the histones are the most significant of these proteins.

What distinguishes DNA from genes?

DNA is the genetic material that plays a role in carrying genetic information, replicating DNA, causing mutations, and distributing DNA equally throughout cell division. Genes are DNA segments that contain the protein encoding information. controls an organism's characteristics.

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The illustration above is a representation of multiple gene alleles on the same chromosome. One inherited trait linked to alleles "A", "a", "D", "D", "t", and "T" is determined by multiple chromosomes.

Chromosomes are structures that are located within cells and contain genetic material. They are composed of DNA and proteins, and are responsible for the inheritance of certain traits from parent to offspring. Chromosomes come in pairs, and each pair is made up of one chromosome from each parent. Each chromosome within a pair is made up of hundreds or thousands of genes which are responsible for inherited characteristics. Chromosomes are essential for the development of an organism, as they contain genetic information that determines the structure and function of the organism.

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Answer:

Plants use CO2 in the process of photosynthesis

Explanation:

just go with it :) ( i think that is the answer)

Because microorganisms are present in nearly every environment on Earth, we can indeed describe them as ubiquitous.

Microorganisms, including bacteria, archaea, fungi, viruses, and protists, can be found in diverse habitats such as soil, water, air, and even extreme environments like deep-sea hydrothermal vents, hot springs, and Arctic ice. They inhabit the bodies of plants and animals, including humans, as part of the microbiota.

Their ability to adapt to various conditions and their vast numbers contribute to their ubiquitous nature. Microorganisms play crucial roles in nutrient cycling, decomposition, symbiotic relationships, and other ecological processes. They have also been found in unexpected places, such as deep within rocks or buried beneath the ocean floor.

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Answer:

it might be because there is an empty space going through your arteries, and when it gets to your heart, it could cause a delay in blood flow, which can restrict oxygen levels, nutrition, and energy

Explanation:

Answer:

A. Only men have them

Explanation:

Men's DNA code is XY

Woman's is XX

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The presence of high levels of fecal coliform bacteria in a water source indicates that the water has been contaminated by untreated human or animal and that is called water pollution.

The water is polluted by different sources, such as when the chemicals from the industries without treatment mix with the river, mixing of untreated waste materials, etc., and this pollutes the water, and as a result, that specific aquatic ecosystem and the other ecosystem are directly and indirectly affected.

Hence, the presence of high levels of fecal coliform bacteria in a water source indicates that the water has been contaminated by untreated human or animal and that is called water pollution.

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