Bonds between atoms form and break during chemical reactions. Relate this forming and breaking of bonds to changes in energy.

Answer:

Explanation:

When a meal containing fried fish and toast bread is consumed, it goes through a series of processes in the digestive system of a human. Here's a general description of how the components are processed:

1. Mouth: The process of digestion begins in the mouth. Chewing breaks down the toast bread and fish into smaller pieces, while saliva mixes with the food to start the breakdown of carbohydrates.

2. Esophagus: The chewed food, now called a bolus, is swallowed and travels down the esophagus through peristaltic contractions. The esophagus carries the food to the stomach.

3. Stomach: The stomach is responsible for further mechanical and chemical digestion. It mixes the food with stomach acid and digestive enzymes to break down proteins. The fried fish is broken down into smaller pieces through mechanical churning.

4. Small Intestine: The partially digested food leaves the stomach and enters the small intestine. Here, bile from the liver and enzymes from the pancreas break down fats, while other enzymes continue the breakdown of proteins and carbohydrates. Nutrient absorption occurs through the walls of the small intestine and is facilitated by small finger-like projections called villi.

5. Large Intestine: Any remaining undigested food, as well as water and electrolytes, pass into the large intestine. The large intestine absorbs water and electrolytes while forming waste material known as feces.

6. Rectum and Anus: The feces are stored in the rectum until elimination through the anus occurs during a bowel movement.

Throughout this process, various digestive enzymes and gastric juices are secreted at different stages to facilitate the breakdown and absorption of nutrients. The fried fish and toast bread are broken down into smaller molecules, such as proteins, carbohydrates, and fats, which are then absorbed into the bloodstream to provide energy and nourishment for the body.

Answer:

at first she need to take a sample of pound and kept under zhe observation that any partices of living beings. she need to write how she took the sample and how she found sample of living things

According to the scientific methodology, researchers must make themselves a question and then propose a hypothesis. B:“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.

When following the scientific methodology researchers must formulate a question and a hypothesis.

The question is what the researcher wants to know. It is triggered when making an observation for which there is no explication yet. The researcher wants to know what is causing a certain event and how or why it is occurring.

A hypothesis is a scientific conjecture, not verified, that requires corroboration. It is a possibility, not a fact. It is a claim of how it works a relationship between two or more variables.

The researcher hypothesizes to predict what is going on or what is expected to occur.

Option B:“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.

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Answer:

The correct answer is - 10.6666 channels.

Explanation:

Given:

numbers of clusters duplicated = 16 times

The frequency bands for mobile unit transmission are - 825 to 845 MHz

The frequency bands for base station transmission = 870 to 890 MHz

The required bandwidth for each one-way direction of channels = 30 kHz

Formula:

the number of simultaneous communications that can be supported by each system \(k_{sys}\) = \(MB_{CL}\)/\(b_{ch}\)

Solution:

The required bandwidth for each two-way direction of channels = 2 × 30 kHz

then, according to the formula the number of simultaneous communications that can be supported by each system

\(k_{sys}\) = \(MB_{CL}\)/\(b_{ch}\)

k_{sys} = 16×40/60

[b_{ch} = (845-825) + (890-870) = 20+20=40)]

= 10.6666.

The Law of Independent Assortment states that during a dihybrid cross (crossing of two pairs of traits), an assortment of each pair of traits is independent of the other.

Explanation:

Answer:

- The blood brain barrier is a layer of cells lining the blood vessels within the brain, acting as a filter that controls the molecules that pass between the blood and the brain.

- An organism's gut microbiota is the collection of all the microorganisms (e.g. bacteria, phages, fungi) that live inside the digestive system of that individual.

- A gap junction is a type of intercellular protein connection between animal cells that prevents leakage of materials through the space between the cells.

- The transmembrane protein occludin is one of the component proteins of a tight junction.

- Germ-free mice lack all microorganisms in their digestive systems, a state achieved by delivering them through cesarean section and raising them in sterile incubators.

- Pathogen-free mice are raised under sterile conditions to limit their exposure disease-causing microorganisms.

Explanation:

The blood-brain barrier is a layer of cells made up of endothelial cells that act to limit the passage of substances from the bloodstream in a more selective manner than endothelial cells of capillaries located in other parts of the body. Gut microbiota can be defined as all the microorganisms (i.e., bacteria) inhabiting the mammalian gastrointestinal tract, which helps to ferment non-digestible substrates (e.g., dietary fibers). A gap junction is a class of cell junction that is formed between cells contacting each other which allows small molecules (e.g., water, ions, metabolites, microRNA sequences, etc) to pass through this intercellular communication.  In vertebrate animals, cell junctions can be divided into 1-gap junctions (communication between cells), 2-tight junctions (occludin junctions), and 3-adherens junctions, hemidesmosomes and desmosomes (anchor junctions). Tight Junctions are composed of multiple proteins including transmembrane proteins such as occludin, tricellulin, junctional adhesion molecule (JAM), and one member of the claudin protein family. Germfree animals are research animals that have no microorganisms living in or on them, which are housed in controlled/isolated conditions to prevent any type of contamination. Finally, pathogen-free animals are research animals that are guaranteed to be free of particular pathogenic (harmful) microorganisms.

Eons are divided into smaller time gap recognized as eras. Eras are successively divided into periods, epochs, and ages.

Answer - c. eras

The energy would move from the phytoplankton to the zooplanktons all the way up to the musky.

Energy is moved through a food web or food chain in an aquatic ecosystem. Producers at the base of the food chain, like phytoplankton and aquatic plants, use photosynthesis to convert solar energy into organic matter.

The energy is then transferred to the secondary consumers, which include larger fish and predatory invertebrates, who eat the primary consumers. Tertiary consumers, such as apex predators like sharks or killer whales, and so forth, eat secondary consumers.

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The least likely research to have an immediate impact on human society and the environment is that which is solely theoretical or abstract and which does not involve any physical experimentation or practical application.

For instance, research in the fields of pure mathematics or philosophy would usually have little effect on environmental issues. It is important to remember, though, that sometimes even apparently intangible research can have unanticipated direct applications or indirect effects on society and the environment.

Depending on the nature and extent of the study being done, the effect on society and the environment can vary. Compared to other kinds of study, some have a lower likelihood of making a significant difference in society and the environment.

Basic research, for instance, is less likely to have an immediate practical effect because it is concentrated on advancing knowledge and understanding of a particular topic without any immediate practical uses.

The findings of this kind of study are typically published in scholarly journals or presented at scientific conferences, and they frequently involve laboratory experiments or theoretical modeling.

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Answer:

Exposure to a virus is closely related to the development of immunity, since the immune system is responsible for creating antibodies in response to the presence of potentially harmful biological agents, such as these viruses.

Explanation:

Viruses are biological agents that can produce diseases when they enter the body of a living being. In response to contact with a virus, the immune system synthesizes specific antibodies to combat the foreign biological agent.

Antibody immunity can be of two types. It is fast when it is mediated by immunoglobulins M (IgM), which attack the virus anywhere, while the late and prolonged response is due to the development of immunoglobulins G (IgG).

An example of immunity to a virus occurs with the exhibition to the virus of the Dengue, that creates permanent immunity to the viral serotype to which an individual is exposed.

The acquired immunity, mediated by antibodies, is the base for the development of vaccines.

Answer:

i need more details

Explanation:

Answer:

don't worry i help you

Explanation:

Glucose and fructose are linked to form sucrose.

Cellulose is a polymer of glucose.

Sucrose and cellulose monomers are linked through a glycosidic bond to form disaccharides and polysaccharides respectively.

Answer:

TRUE!!!

Explanation:

In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.

hope this helps! :D

A chromosome is a coiled DNA and protein structure that develops in the cell nucleus during cell division.

Thus, chromosomes are important for transporting and passing genetic information from one generation to the next. They house an organism's genetic material. When cells divide, they become visible under a microscope and take the form of compressed formations. Every species has a certain number of chromosomes.

Chromosomes are essential for cell division because they make sure that genetic material is accurately distributed to daughter cells. For effective cell function and heredity, they must have a compact and well-organized structure made of DNA securely coiled around histone proteins.

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Answer:

Breast cancer is the most common noncutaneous malignancy and the second most lethal form of cancer.

Label the slide with the name of the organism, apply a loopful of sterile water to the slide, add a very tiny number of organisms to the water on the slide, spread the organisms, let the slide air dry, and then heat fix.

One must first make the smear on the slide before staining the bacterial specimen for microscopy. Transferring a liquid solution of the bacteria onto the slide, drying the smear, and finally slightly heating the smear to securely bind it to the slide are the three main phases in this process.

The preparation of a smear is the first step in the majority of bacterial staining processes. Cells from a culture are applied in a thin layer to a tiny region of a microscope slide, dried, and then fixed to the slide using heat or other chemical fixatives. This procedure is known as a smear preparation.

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The parasympathetic nervous system is involved in restoring the body to a resting state after an emergency has been resolved.

The sympathetic device controls “fight-or-flight” responses. In different words, this device prepares the frame for strenuous bodily activity. The activities that we'd anticipate to arise inside the frame to permit this to show up do, in fact, arise. The parasympathetic device regulates “relaxation and digest” functions.The parasympathetic worried device controls the frame's cappotential to relax.

It's every so often referred to as the "relaxation and digest" state.The parasympathetic worried device acts like a brake. It promotes the "relaxation and digest" reaction that calms the frame down after the threat has passed.Your parasympathetic device is a community of nerves that relaxes your frame after durations of strain or threat. It additionally facilitates run life-maintaining processes, like digestion, at some point of instances while you sense secure and relaxed.

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Answer:

repetetion and instrument

One part of a person's carbon footprint, which is a measure of our impact on the environment, is the amount of carbon dioxide released by processes that make products they consume because this is closely related to the harm we cause to the planet. For example, the carbon footprint of fabricating plastic recipients is not the same carbon footprint if we use wood recipients.

Let's imagine that in the first case, to produce this kind of product, first it should be extracted petrol from carbon sinks, which high probabilities could be spoiled in water bodies, harming the water and the organisms that depend on it. If, on the other hand, we use products from renewable resources, like wood, our carbon footprint would be smaller.

The answer to this question should be the second one then: B. released by processes that make products he or she consumes.

When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.

Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.

Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.

When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).

Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.

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Answer:

pp

Explanation:

Muscular disorders can affect the skeletal muscles, which are the muscles that allow us to move our body, as well as the smooth muscles and cardiac muscles.

Myopathies, or muscular disorders, can have an impact on a number of the body's organs and systems. Since these disorders have an effect on the composition, structure, or metabolism of muscle tissue, they have the greatest direct effect on the muscular system.

This may result in symptoms such as muscle atrophy, cramps, stiffness, and weakness. However, because the heart, lungs, and digestive system depend on healthy muscle function to do their jobs well, the effects of muscular disorders can also spread to those organs.

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a) If Grant's speed is less than 10.67 km/h, then Neil's journey was quicker. If Grant's speed is greater than 10.67 km/h, then Grant's journey was quicker.

b) If Grant's speed is 10 km/h, then Neil's journey was quicker by 198 minutes (or 3 hours and 18 minutes).

a) To determine whose journey was the quickest between Neil and Grant, we need to find the time taken by each of them. We can use the formula: Time = Distance/Speed
For Neil, Distance = 36km and Speed = 8km/h. Therefore, Time taken by Neil = Distance/Speed = 36/8 = 4.5 hours
For Grant, Distance = 48km and Speed = c. Therefore, Time taken by Grant = Distance/Speed = 48/c
Now, we need to compare the time taken by Neil and Grant. If Neil's time is lesser than Grant's time, then Neil's journey was quicker. If Grant's time is lesser than Neil's time, then Grant's journey was quicker.

So, we have 4.5 < 48/c
Multiplying both sides by c, we get:
4.5c < 48
Dividing both sides by 4.5, we get:
c < 48/4.5 = 10.67 km/h
b) To find the time difference between Neil and Grant, we need to subtract the time taken by Neil from the time taken by Grant. So, we have:
Time taken by Neil = 4.5 hours (calculated earlier)
Time taken by Grant = Distance/Speed = 48/c
Therefore, Time difference = (48/c) - 4.5
We can convert this into minutes by multiplying by 60:
Time difference in minutes = 60[(48/c) - 4.5]
We know that c < 10.67 km/h (from part a). Let's assume c = 10 km/h (just for calculation purposes). So, we have:
Time difference in minutes = 60[(48/10) - 4.5] = 198 minutes
Note: The actual time difference depends on the value of Grant's speed.

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D. modify the tides in estuaries​

Answer:

False

Explanation:

Because insulin is a hormone released by the pancreas.

mitosis refers to the parts of the original nucleus into two nuclei. On the other hand, meiosis refers to each having half chromosomes of the original cell.

in mitosis, there is the maintenance of chromosomes takes place while meiosis leads to a reduction in the no. of chromosomes. There are no variations in mitosis and variants occur in meiosis.

hence at last we can say that the above are the major difference between mitosis and meiosis. All of the explained differences will clearly lead to identifying them in particular. mitosis and meiosis plays a vital role in formation of gametes.

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Answer:

True

Explanation:

Answer:

D. The direction of filtration can be into or out of the blood, but reabsorption always involves fluids entering the blood.

Explanation:

I believe that this is the correct option since filtration can occur in blood vessels and lymphatics, that is why it can be inside or outside the blood, that is, the filtration can be bidirectional.

While the reabsorption is to be able to re-integrate it to the lumen of the capillary or the blood vessel, thus generating an uptake of certain chemical compounds, and this movement or flow is towards the interior of the capillaries, that is, towards the inside of the capillary.

Answer:

I will say 60% or it can also be 25% lost