One main goal of the cell is to make because they run your body.

Protecting wildlife helps to pass on the invaluable values ​​of nature to future generations. The international organization Humane Society International (HSI) has just recommended 7 ways to join hands to become a "warrior" to protect wildlife.

Currently, in the world, there are about 1,556 species of wild animals identified as endangered and near-extinction in need of urgent protection. In the tropical forests, the habitat of more than half of the creatures that currently exist on earth is also shrinking, causing many types of wildlife to disappear because their habitats are destroyed. devastated. The protection of wildlife in the wild is a very important issue.

Be an animal-friendly traveler

The first thing is that people should avoid cruel and exploitative activities such as riding elephants and camels while traveling. Elephant rides, picnics and wildlife interactions are promoted to tourists in South Africa and throughout Asia, particularly in India and Thailand. Elephants are often taken from the wild as babies and brutally "tamed" for rides. Likewise, camels were "forced" to serve endless trips for tourists in Egypt. These animals perform regular tourist service duties without any breaks, refreshments or water. They rarely receive veterinary treatment for their injuries, can be chained for hours, and "endure" cruel training methods such as whips and sticks. Conservationists recommend that, instead of riding animals, tourists can have other interesting alternatives such as renting bicycles or walking to enjoy the natural scenery.

2. Do not exploit wildlife for entertainment purposes

Conservationists discourage the exploitation of wildlife in captivity for recreational purposes. The natural habitat of whales and dolphins, for example, cannot be replicated in captivity and it is the service of swimming with dolphins that has increased the demand for this fish. Currently, dolphins can still be found in aquariums in countries such as the US, Japan, China, UAE and many European countries such as Greece and the Netherlands.

Poor quality zoos can also be a nightmare for animals. Capturing wild species in deprived conditions does not meet their complex psychological and physical needs and cannot properly care for them. Sadly, these can be found all over the world. It's so much better for humans to see animals in the wild, observing their natural behavior without disturbing them.

3. Do not buy products derived from rare and endangered wildlife

Buying souvenirs made from wildlife parts such as turtle shells, feathers, or ivory means that the animal has suffered inhumane treatment because of your jewelry needs. And you could be unwittingly abetting wildlife poaching and smuggling. Instead, support the local community by purchasing a local artist's non-wildlife painting, carving or craft.

4. Say no to taking pictures with wildlife

Never pay to have your pictures taken with wildlife like parrots, monkeys or wild cats like tigers at temples and pagodas. These animals are often “stolen” from the wild and sedated with drugs. They can also be beaten and have their teeth or claws "trimmed". In South Africa, thousands of lions are bred in captivity and separated from their mothers at a young age to be used as "photo props" for tourists. As the cubs get a little older, they are used for the "walking with lions" experience tourism service, and are eventually sold to be shot and killed in trophy hunting, or killed. trade for the need to use lion bones.

5. Refusing the “specialty” meat of wild animals

The capture and consumption of wildlife such as bats, primates and rats fuels a vast global trade that not only causes great suffering for hundreds of thousands of animals each year, and "encourages" the exploitation of endangered species. make them extinct, but also pose serious risks to human health.

6. Do not wear, use products made from fur

Millions of foxes, ferrets, badgers and coyotes die every year due to fashion demands. They are kept in small wire mesh cages on farms, or painfully caught by metal traps. Their fur is turned into frivolous decorations on coats, hats and accessories. These terrible things can cause psychological disorders for animals, causing them to constantly molt and even shed their own hair according to the human cutting process.

Fur is also polluting, as the primary processing and tanning process uses harmful chemicals such as formaldehyde, cyanide, lead and chromium, which are released into waterways and destroy wildlife. Conservationists hope this will inspire compassion among fashion users. Choose alternative materials and let the animals keep their fur

Answer:

Dark matter does not emit electromagnetic radiation.

Explanation:

Dark matter comparative to dark energy, has various differences. You could say that dark energy is put into action on a larger scale than dark matter, which is also why dark energy makes up 74 percent of the universe. Thus, dark matter ≠ dark energy.

Scientists have a lot to learn about dark matter, so we can't claim that this subject has been well understood about scientists. In fact, it is one of the least understood parts of the universe!

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Now dark matter can be defined as particles that do not absorb, reflect, or emit light. Thus, it can't be observed by electromagnetic radiation - nor shifts in red and blue light. At the same time it does not emit electromagnetic radiation.

Answer:

dark matter does not emit electromagnetic radiation.

Explanation:

Answer:

naturally living organisms

Answer:

B. the hormone must enter the cell

Answer:

A: The hormone must attach to the cell's receptor.

Pineal gland secretes melatonin, a hormone that may help regulate when you sleep at night.

The pineal gland in the brain is primarily responsible for producing the naturally occurring hormone melatonin. Your circadian rhythm and sleep–wake cycle are better under your control. There is still a lot that scientists don't know about all of its impacts on the human body. Your pineal gland, a tiny gland in your brain, is primarily responsible for producing the hormone melatonin, which is a natural steroid. Your endocrine system includes your pineal gland.

When it is dark outside, your pineal gland produces the most melatonin; when you are exposed to light, it produces less. This means that during the daytime, melatonin levels in your blood are low, while at night, they are at their highest. Your pineal gland releases melatonin for a longer period of time the longer the night.

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Answer:

Consumers are organisms that depend on other organisms for food. They take in organic molecules by essentially “eating” other living things

The osmosis diagram is the one that most accurately represents how a plant cell might change in appearance after spending thirty minutes in a concentrated sugar solution.

Osmosis is the process by which water molecules move from an area with a lower concentration of solutes to an area with a higher concentration of solutes across a semi-permeable membrane.

If a concentrated sugar solution were present, the solute concentration outside the plant cell would be higher than that inside.

Water from inside the plant cell would naturally try to exit the cell as it is submerged in the concentrated sugar solution in an effort to balance the solute concentration on either side of the cell membrane.

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Answer:

Explanation:

DNA replication needs to occur because existing cells divide to make new cells, so that the DNA needs to be copied before cell division so that each new cell receives a full set of instructions.

DNA replication - It is the process of producing two identical copies of DNA molecules from one original DNA molecule.

The cell cycle is the series of events that lead to a cell's genome duplication and final division into two daughter cells.

It consist of two main phases - Interphase and M phase

DNA replication occurs at the interphase during S phase of the cell cycle.

Mitosis begins after interphase.

DNA replication occurs before mitosis and cell division so that each newly formed daughter cell receive full set of chromosomes as of parent cell in their nucleus. DNA contains  instructions that helps the newly formed cells to operate properly.

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Answer:

80

Explanation:

The genotype of the seeds that will be produced are as follows:

According to this question, a gene coding for kernel shape is involved. Normal kernel (W) is dominant over waxy kernel (w).

If a waxy kernel plant (ww) is crossed with a heterozygous normal (Ww) plant as follows: Ww × ww, the following offsprings will be produced:

Therefore, the genotype of the seeds that will be produced are as follows:

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Answer:

This question lacks options, the options are:

A. Photosynthesis creates glucose using energy, a solid, and a liquid.

B. Photosynthesis creates glucose using energy, a gas, and a liquid.

C. Cellular respiration creates glucose using a gas and a liquid.

D. Cellular respiration creates glucose using a solid, and a liquid

The answer is B

Explanation:

Two metabolic reactions in nature namely: photosynthesis and cellular respiration involves glucose. Photosynthesis is the process whereby green plants manufacture their food in form of sugar (glucose) in the presence of sunlight. Hence, PHOTOSYNTHESIS is the chemical reaction that synthesizes glucose as a product. The equation is as follows:

6CO2 + 6H2O + light energy --> C6H12O6 + 6O2

Based on the equation above, carbon dioxide (CO2), water (H2O) and light energy from sun are the reactants of photosynthesis. CO2 is a gas while H2O is a liquid. Therefore, Photosynthesis creates glucose using energy (from light), a gas (CO2), and a liquid (H2O).

Hi! I'd be happy to help with your question about mitosis and chromosome appearance. As each cell in our body prepares for mitosis, the chromosomes undergo changes in appearance during the various stages of the cell cycle. Here are the key changes:

1. Interphase: Chromosomes are not visible as they are in the form of chromatin, a loose and uncondensed structure. The cell duplicates its DNA in preparation for mitosis.
2. Prophase: Chromosomes start to condense, becoming shorter and thicker. Each chromosome consists of two identical sister chromatids joined at the centromere.
3. Metaphase: Chromosomes become even more condensed and align at the cell's equator, known as the metaphase plate. The spindle fibers, which play a crucial role in separating the chromatids, attach to the centromeres of each chromosome.
4. Anaphase: The sister chromatids are pulled apart by the spindle fibers and move towards opposite poles of the cell. Each chromatid is now considered an individual chromosome.
5. Telophase: The separated chromosomes reach the poles and begin to decondense, returning to their chromatin state. The cell starts to divide, leading to the formation of two daughter cells.
In summary, the changes in chromosome appearance during mitosis involve condensation, alignment at the metaphase plate, separation of sister chromatids, and finally decondensation in the daughter cells.

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Hormones are usually transported through the bloodstream and affect only cells with specific hormone receptors.

Hormones are signaling molecules produced by various glands and tissues in the body. They play a crucial role in regulating various physiological processes and maintaining homeostasis. Hormones are typically released into the bloodstream by endocrine glands and then transported throughout the body to reach their target cells.

The bloodstream serves as the primary means of transportation for hormones. Once released into the bloodstream, hormones circulate and can reach virtually all cells in the body. However, hormones only affect cells that possess specific receptors for that particular hormone. These receptors are proteins located on the surface of target cells or within the cells. They are specifically designed to bind with the corresponding hormone, creating a hormone-receptor complex.

When a hormone binds to its specific receptor on a target cell, it triggers a series of intracellular signaling events. These signaling pathways can influence various cellular processes, including gene expression, enzyme activity, protein synthesis, and cellular metabolism. The response of the target cell to the hormone depends on the specific hormone-receptor interaction and the cellular context.

The specificity of hormone action is determined by the presence or absence of specific receptors on target cells. Not all cells in the body have receptors for all hormones. Thus, hormones can have selective effects, influencing only those cells that possess the appropriate receptors. This selective targeting allows for precise regulation and coordination of physiological processes in the body.

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The actual, physiological delta G for the reaction Phosphocreatine + ADP ---> creatine + ATPat 37 degrees celcius is ΔG is equal to zero.

To calculate the actual, physiological delta G for the reaction Phosphocreatine + ADP ---> creatine + ATP at 37 degrees Celsius, as it occurs in the cytosol of neurons, we need to use the formula:

ΔG = \(-RT ln k_{eq}\) + \(RT ln Q\)

where:
R = gas constant (8.314 J/mol*K)
T = temperature in Kelvin (37°C + 273.15 = 310.15 K)
\(K_{eq}\) = equilibrium constant
Q = reaction quotient

First, let's write out the balanced equation for the reaction:

Phosphocreatine + ADP ---> creatine + ATP

Next, we need to determine the \(K_{eq}\) for the reaction. \(K_{eq}\) is the ratio of the products to the reactants at equilibrium. At equilibrium, the forward and reverse rates of the reaction are equal. Using the concentrations given, we can calculate Keq as:

 \(K_{eq}\) = ([Creatine][ATP]) / ([Phosphocreatine][ADP])
\(K_{eq}\) = ((1.0 mM)(2.6 mM)) / ((4.7 mM)(0.73 mM))
\(K_{eq}\) = 0.90

Now we need to calculate Q, the reaction quotient. Q is the ratio of the products to the reactants at any point during the reaction. Using the concentrations given, we can calculate Q as:

Q = ([Creatine][ATP]) / ([Phosphocreatine][ADP])
Q = ((1.0 mM)(2.6 mM)) / ((4.7 mM)(0.73 mM))
Q = 0.90

Since \(K_{eq}\) and Q are equal, we know that the reaction is at equilibrium. At equilibrium, ΔG is equal to zero. Therefore, the actual, physiological delta G for the reaction Phosphocreatine + ADP ---> creatine + ATP at 37 degrees Celsius, as it occurs in the cytosol of neurons, is zero.

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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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Exposure to UV light when visiting a tanning salon is an example of a radiation hazard.

Tanning beds and sunlamps emit ultraviolet (UV) radiation, which consists of UVA and UVB rays. These rays are similar to the UV radiation emitted by the sun but are often more concentrated in tanning devices. While some people may use tanning beds to achieve a desired tan or for cosmetic purposes, it is important to recognize the potential risks associated with UV radiation exposure.

UV radiation can penetrate the skin and cause various adverse effects on human health. Overexposure to UV radiation, whether from the sun or tanning beds, can increase the risk of skin damage, premature aging, and most significantly, skin cancer. Prolonged and repeated exposure to UV radiation is a well-established risk factor for the development of skin cancers such as melanoma, basal cell carcinoma, and squamous cell carcinoma.

The International Agency for Research on Cancer (IARC) classifies UV radiation from tanning devices as Group 1, which means it is considered carcinogenic to humans. The World Health Organization (WHO) and various health organizations strongly advise against the use of tanning beds due to the associated health risks.

To protect oneself from the hazards of UV radiation, it is crucial to practice sun safety measures, such as using broad-spectrum sunscreen, wearing protective clothing, and avoiding excessive exposure to both natural and artificial sources of UV light, including tanning beds.

In summary, exposure to UV light in a tanning salon represents a radiation hazard due to the potential harmful effects of UV radiation on the skin and the increased risk of skin cancer associated with prolonged or repeated exposure.

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Answer:

I believe that evolution should be taught in public schools. Science is an entire world filled with possibilities and discoveries yet to be ventured. It is important to explore all of those theories in school to inspire students to do their own research, outside of what's in the research books we typically read in school. We are continuously learning new things about our species, so the education system should constantly be changing. Evolution may not be considered yet as a fact worldwide, but how will society ever change if we refuse to look into what CAN be?

Answer:

Your answer would be "B) They pass oxygen from the air into the blood."

Explanation:

They certainly don't coordinate the movement of the heart, so A isn't an option.

The lungs also don't pump blood through the body, that's the hearts job.

And the lungs do not filter carbon out of the air, which eliminates D.

Therefore your answer is B.

The lungs function in the human body by passing oxygen from the air into the blood.

Gaseous exchange happens in the lung of humans. Oxygen is exchanged for carbon dioxide.

A mixture of air is taken through the mouth and the nose into the lung. On getting to the lung, the oxygen in the air dissolves on the surface of the lung and enters the blood by diffusion.

In exchange, carbon dioxide in the blood diffuses in the opposite direction and is breathed out.

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Answer:

Anaerobic process that occurs in the cytoplasm. The process uses 2 ATP molecules. 6 carbon molecules are broken down into 3 pyruvate molecules during the process

Explanation:

Have a great day

The correct sequence of events in cellular respiration is option a: glycolysis, citric acid cycle, electron transport chain.

During cellular respiration, glucose is broken down to produce energy in the form of ATP. The process starts with glycolysis, which occurs in the cytoplasm and involves the breakdown of glucose into pyruvate molecules. Glycolysis generates a small amount of ATP and NADH.

The pyruvate molecules produced in glycolysis enter the mitochondria, where the citric acid cycle, also known as the Krebs cycle, takes place. In this cycle, the pyruvate is further broken down, releasing carbon dioxide and generating NADH and FADH2 as electron carriers. The citric acid cycle also produces a small amount of ATP.

The electron carriers NADH and FADH2 then participate in the electron transport chain, which is located in the inner membrane of the mitochondria. In the electron transport chain, the electrons from NADH and FADH2 are transferred through a series of protein complexes, creating a flow of electrons that drives the synthesis of ATP. This process is known as oxidative phosphorylation.

Therefore, the correct sequence of events in cellular respiration is glycolysis, citric acid cycle, and electron transport chain, as stated in option a.

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Question

Which of the following is the correct sequence of events in cellular respiration?

a. glycolysis, citric acid cycle, electron transport chain

b. glycolysis, preparatory reaction, citric acid cycle, electron transport chain

c. glycolysis, electron transport chain, preparatory reaction

d. citric acid cycle, glycolysis, electron transport chain, preparatory reaction

e. citric acid cycle, electron transport, glycolysis, preparatory reaction

The following locations is least likely to harbor commensal microbes is  blood (option- b).

Physical barriers that stop germs from entering possible infection sites include the skin, mucous membranes, and endothelia. These tissues have tight cell connections that block the passage of microorganisms.

T-cell receptors are the innate immune receptors on host cells that can identify bacterial proteins. Several Toll-like receptors can recognize diverse bacterial proteins to help the immune response.

Redness, swelling, heat, discomfort, and loss of tissue function are signs of inflammation at the tissue level and are brought on by local immunological, vascular, and inflammatory cell reactions to infection or damage.

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In order to survive in the salty ocean,the sea otters have an extra large kidney and the sea turtles use their eyes to secrete salt.

We know that the ocean is marine water. As such, the water is salty. A salty ocean has several implications for the animals that live in it; such as the ability to deal with excess salt.

As a result of this, the sea otters have an extra large kidney and the sea turtles use their eyes to secrete salt.

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The elephant cell will have 20 chromosomes.

Cells undergo interphase before getting to the mitotic phase. At the S phase of the interphase, the amount of DNA in the cell is double by replication. However, the number of chromosomes remains intact.

Thus, the cell gets to the mitotic phase with the same number of chromosomes that is usually present in normal vegetative cells of the animal.

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Answer:

The answer would be 0%

Explanation:

When you do the Punnett square of the couple (AB x OO), The blood would only be type A or B. The blood types dominate over blood type O since O is a recessive trait. So, blood type O would only possibly show if both parents have the trait.

The percentage of children that will likely express the blood type O is 0%. Details about genetic crosses can be found below.

Co-dominance is condition in which both alleles of a gene pair in a heterozygote are fully expressed, with neither one being dominant or recessive to the other.

According to this question, blood types A and B are codiminant and completely dominant to blood type O.

This means that if a person with with blood type AB has a child with a person with blood type O, the offsprings of this cross will have the following genotype:

Therefore, the percentage of children that will likely express the blood type O is 0%.

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7. The abnormal gene associated with Burkitt lymphoma is C-MYC. The answer is (B).

8. The abnormal gene associated with follicular lymphoma is BCL-2.

9. A Pautrier microabscess occurs in one of the following diseases - mycosis fungoides.

10. Mycosis fungoides is lymphoma-mycosis fungoides.

11. Which is not the pathologic feature of nodular sclerosis classical Hodgkin lymphoma in the following options - young women are more common.

12. Which is not characteristic of Hodgkin lymphoma in the following options - randomness and uncertainty of the site of the disease.

13. Follicular lymphoma is derived from germinal center B cells.

14. Burkitt lymphoma comes from germinal center B cells.

15. Which does not belong to the pathologic features of lymphocyte-rich classical HL in the following options - a large number of typical R-S cells. The answer to each question with the correct options according to the given terms is provided above.

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Here are four criteria that can be used to evaluate the credibility of the data presented in the study conducted for the Trybow chicken company in 2000:

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Answer:

The musk deer is best known for producing musk, which is highly demanded throughout the world. This substance has a characteristic odor and is among the most expensive animal products around the globe.

Explanation:

The Siberian musk deer is classified as Vulnerable by the IUCN. It is hunted for its musk gland, which fetches prices as high as $45,000 per kilogram. Only a few tens of grams can be extracted from an adult male. It is possible to remove the gland without killing the deer, but this is seldom done. In 2016, the Korean company Sooam Biotech was reported to be attempting to clone the Siberian musk deer to help conserve the species.[7