Select the correct answer. What falls in the gray area between living and nonliving things? A bacteria B. mold C. virus D. yeast Reset​

Answer: It is a process by which greenhouse gases allow the sun’s light to penetrate the atmosphere but stop the heat from escaping.

Explanation:

Greenhouse effect is the natural heating of the Earth's surface due to the fact that the sunligth waves may penetrate the atmosphere and reach the solid surface, but when the sunlight waves return after reaching the solid surface, process that changes the wavelength of the sunlight, they cannot penetrate the greenhouse gases and so the heat is kept inside the atmosphere with the consequent increase of temperature.

Answer:

Cytosine & Guanine

Explanation:

Living organisms contain in their cell a biomolecule responsible for the storage and transmission of genetic information called NUCLEIC ACID. DNA is one of the two nucleic acids found in living cells. However, the DNA molecule is a polymer made up of monomeric units called NUCLEOTIDES.

Nucleotides of a DNA are made up of three components namely: 5-carbon sugar (deoxyribose), phosphate group, and a nitrogenous base (Adenine, Guanine, Cytosine and Thymine). Hence, based on the question, Cytosine & Guanine are the components (nitrogenous base) found in the DNA of all living organism.

Answer:

Nuclear energy is generated either by Fission of a nucleus into two or more fragments , or by Fusion of two nuclei into one. The nuclear energy is used to superheat steam and then drive a rotor axle inside a generator and then generate electricity.

Answer:Nuclear power comes from nuclear fission

Explanation:Nuclear power plants heat water to produce steam. The steam is used to spin large turbines that generate electricity. Nuclear power plants use heat produced during nuclear fission to heat water. In nuclear fission, atoms are split apart to form smaller atoms, releasing energy.

The role of an organism in the community will depend on its position on the food web (e.g., producer, primary consumer, secondary consumer, etc).

A trophic role can be defined by the particular position that an organism has in the food web.

For example, plants are producers that generate biomass, whereas herbivores are primary consumers.

In conclusion, the role of an organism in the community will depend on its position on the food web.

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Adherens Junctions are calcium dependent junction.

The correct option is (C) Adherens Junction

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The explanation for the rapid evolution of peppered moth coloration compared to the evolution of size and color in peacock tail feathers is that peppered moth coloration is a simpler trait than size and color changes in peacock tail feathers.

Natural selection is a fundamental mechanism for the evolution of populations over time. It takes generations for new traits to appear and become common in a population. The speed at which traits evolve in a species is influenced by several factors, including genetic variation, mutation rate, population size, generation time, and selective pressures on the population.

Mutations can occur randomly and provide the genetic variation on which natural selection operates. Different species and different traits have different genetic architectures that determine how quickly or slowly they can evolve. Smaller populations are more prone to genetic drift, which can cause the random loss of beneficial mutations. On the other hand, larger populations have more genetic variation to select from and may evolve faster than smaller populations.

In conclusion, the reason for the rapid evolution of peppered moth coloration compared to the evolution of size and color in peacock tail feathers is that the peppered moth's coloration is a simpler trait than size and color changes in peacock tail feathers. Additionally, the genetic architecture, mutation rate, population size, generation time, and selective pressures on the population also influence the speed at which traits evolve in a species.

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Hormone-sensitive lipase (HSL) breaks down stored fat into free fatty acids and glycerol in response to hormonal signals.

Chemical touchy lipase (HSL) is a protein that assumes a pivotal part in the preparation of unsaturated fats from fat tissue. HSL is initiated by chemicals like epinephrine, norepinephrine, glucagon, and adrenocorticotropic chemical (ACTH), which tie to explicit receptors on the adipocyte film and invigorate the cAMP-subordinate protein kinase A (PKA) pathway.

Once enacted, HSL hydrolyzes triacylglycerols (Labels) put away in lipid beads into free unsaturated fats (FFAs) and glycerol. The FFAs are then delivered into the circulation system and can be taken up by different tissues and utilized for energy creation.

In outline, HSL is a significant chemical that directs the activation of unsaturated fats from fat tissue in light of hormonal signs. Its initiation by chemicals through the cAMP-PKA pathway prompts the breakdown of Labels into FFAs and glycerol, which can then be utilized for energy creation.

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As said, these feelings help us become aware of where our bodies are in space Proprioceptors.

How Do Muscles Work and What Are They?

They also assist the body in chewing and making it easier for food to go through the digestive system. Even while we are absolutely still, our muscles are continually working in every region of the body.

Myofibrils, the protein building blocks that make up a single muscle fiber, include the myoglobin protein and other components that provide muscles the oxygenated blood they need to contract. When a stimulus to contract is applied, the filaments in each myofibril fold together.

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Answer:

D. Nucleotide bases

Explanation:

Hope it helps.

Nucleotide bases of the DNA contain the instructions on how to control cells.

The sequences must first be "decoded," and the protein must then be translated. It is known as protein synthesis.

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Answer:

optical microscope uses visible light and a lense to generate magnify images of small object

scanning electron microscope produces image of a sample by scanning with a focused beam if electron while transmission electron microscope is in which beam of electrons is transmitted through a specimen to form of image

The toxic substance is often used to extract gold and results in harmful environmental effects is Cyanide.

The toxicity of cyanides and their environmental effect are well established. They are, nevertheless, still utilized in the mining, galvanic, and chemical industries. Cyanides are emitted in various ways to all elements of the environment as a result of industrial activity.

Cyanide can be found in nature as cyanogenic glycosides in plant seeds. Excessive intake might result in negative side effects. However, the most prevalent source of cyanide is environmental tobacco smoke (ETS).

Cyanide may be converted by living organisms into less harmful chemicals that are expelled with physiological fluids. The purpose of this study is to evaluate current understanding on the behavior of cyanide in the environment and its influence on human health and life.

Hydrogen cyanide and cyanides are employed in a variety of sectors, including silver and gold mining. They are also utilized in the plastic manufacture of various colors, as well as in chemical laboratories. Mines, metallurgical industries, and automobile exhaust gas are all causes of pollution in the environment.

Cyanide ions enter the environment mostly through wastewater. These chemicals can also enter the environment as a result of fires in factories and homes, as well as cigarette smoke.

So, the correct option is Cyanide.

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Answer:

Body temperature control in humans

Explanation:

Body temperature control in humans is one of the most familiar examples of homeostasis. Normal body temperature hovers around 37 °C (98.6 °F), but a number of factors can affect this value, including exposure to the elements, hormones, metabolic rate, and disease, leading to excessively high or low body temperatures.

The sodium-potassium exchange pump is an important mechanism that helps maintain the resting membrane potential of cells. This pump is a transmembrane protein that transports potassium and sodium ions across the cell membrane in a specific direction. The correct answer to this question is (B) Potassium out of the cell, sodium into the cell.

The pump moves three sodium ions out of the cell for every two potassium ions moved into the cell. This process requires energy in the form of ATP and is essential for many physiological processes, including nerve conduction and muscle contraction. The sodium-potassium exchange pump is found in most cells, but is especially important in excitable cells such as neurons and muscle cells. Without this pump, the concentrations of sodium and potassium ions would quickly equalize, leading to a loss of membrane potential and a decrease in the ability of cells to generate electrical signals. In conclusion, the sodium-potassium exchange pump transports potassium out of the cell and sodium into the cell. This process is vital for maintaining the normal functioning of cells and tissues in the body.

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Michael is red-green color-blind. his gene for color blindness is most likely a recessive gene on his X chromosome

Healthcare can simply be defined as an organized medical care given to a person, organization or even a community either by a doctor, nurse or any other licensed healthcare professional

However, healthcare-associated Infections, are those infections patients can get during their treatment for another condition due to bacteria, viruses, fungi, and other pathogens.

And for a good reason, the fundamental purpose of healthcare is to enhance healthy living and quality of life by giving quality healthcare services.

So therefore, Michael is red-green color-blind. his gene for color blindness is most likely a recessive gene on his X chromosome

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The ear bones of mammals used to serve as jaw bones in our reptile ancestors.

In reptiles, the bones that make up the lower jaw are called the quadrate and articular bones. These bones are used for chewing and are connected to the skull. However, in mammals, these bones have evolved to become the malleus and incus, two of the three small bones in the middle ear that help transmit sound vibrations from the eardrum to the inner ear.

This evolutionary change is thought to have occurred because it allowed for more efficient transmission of sound and therefore better hearing in mammals. Additionally, the evolution of these bones also allowed for the development of a more specialized jaw structure in mammals, which allowed for more efficient chewing and processing of food.

In summary, the ear bones of mammals, the malleus and incus, used to serve as jaw bones, the quadrate and articular bones, in our reptile ancestors. This evolutionary change allowed for better hearing and more efficient processing of food in mammals.

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Thylakoids and cristae are respectively structures of chloroplasts and mitochondria.

Thylakoids are flattened, membrane-bound sac-like structures found in the chloroplasts of plant cells and some algae. They play a crucial role in the process of photosynthesis, where they contain pigments, such as chlorophyll, to absorb light energy and convert it into chemical energy.

Cristae, on the other hand, are the folded inner membranes of mitochondria, which are the energy-producing organelles found in both plant and animal cells. The cristae increase the surface area of the inner mitochondrial membrane, allowing for more efficient production of ATP (adenosine triphosphate), the main energy currency of the cell, through cellular respiration.

In summary, thylakoids and cristae are important structures found in chloroplasts and mitochondria respectively, with each playing a significant role in energy production and conversion processes within the cell.

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Answer:

The correct answer is A.

Explanation:

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The term that best describes all atoms in ionic bonds is stable. The correct option is a.

Ionic bonds are defined as those that are created when all of an atom's electrons completely transfer to another atom. Ionic compounds are those that contain ionic bonding.

The atom losing electrons in this bond formation is referred to as an electromotive atom, while the atom acquiring electrons is referred to as an electronegative atom.

In these compounds, ions with opposing charges are drawn to one another and combine to form a compound.

An example of an ionic bond is Na + Cl = NaCl. In this, sodium is positively charged and chloride is negatively charged. This makes it stable. The plus and minus make it neutral and stable.

Therefore, the correct option is a. stable.

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Answer:

A .50 tagged fish

B.5 percent

50 tagged fish did the fisherman catch.

5 percent of the fish in his sample were tagged.

One of the methods for studying the biology, movements, and migrations of animals.

Scientists use tags to gather information about fishes movements, behavior, and distribution patterns, which can help NOAA Fisheries better conserve their populations.

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The two months in 2012 that we would hypothesize that phytoplankton blooms would occur in would be April and May.

Phytoplankton blooms occur when the population of a certain type of phytoplankton increases rapidly in an aquatic environment. This usually occurs when the environment is nutrient-rich, meaning there are plenty of nutrients available for the phytoplankton to consume and reproduce.

The reason this is considered a bloom is because such rapid growth can lead to large patches of green or brown algae floating on the surface of lakes and oceans. These blooms are beneficial and provide food for many animals, as well as help remove carbon dioxide from our atmosphere.

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The gluteus maximus muscle provides the greatest amount of force production during powerful hip extension movements such as sprinting and running up stairs.

This muscle is the largest muscle in the human body and is located in the buttocks. It is responsible for a variety of movements, including hip extension, external rotation, and abduction.

During powerful hip extension movements, such as sprinting or running up stairs, the gluteus maximus contracts forcefully to generate the necessary propulsion and lift.

This is because the gluteus maximus is capable of producing a large amount of force due to its large size and position relative to the hip joint.

In addition to its role in generating force, the gluteus maximus is also important for stabilizing the pelvis during movement and preventing injury to the lower back and hips.

Overall, the gluteus maximus plays a critical role in many aspects of human movement, from walking and running to jumping and lifting.

Strengthening this muscle through exercises such as squats, lunges, and deadlifts can improve athletic performance and reduce the risk of injury in a variety of activities.

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Based on the graph above, it appears that the human population first exceeded Earth's biocapacity during the period of B) 1970-1975.

The concept of Earth's biocapacity relates to the planet's ability to sustainably support and provide resources for its human and non-human inhabitants.

Biocapacity is often measured in terms of the Earth's regenerative capacity to produce renewable resources and absorb waste, known as the ecological footprint.

The human population has been increasing over time due to various factors such as improvements in healthcare, technology, and agricultural practices.

As the population grows, the demand for resources and the ecological footprint also increases. If the population exceeds the Earth's biocapacity, it means that the rate of resource consumption and waste production surpasses what the planet can sustainably regenerate and absorb.

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Answer: The first horizon is the “A“ horizon. It is more commonly called the topsoil. The topsoil is usually the darkest layer of the soil. It is the layer with the most organic material.

Explanation:

The Bisecting technique can be used in situations such as a small mouth, shallow palate, or the presence of tori.

The Bisecting technique, also known as the Short-cone technique, is used in situations where intraoral films are to be taken for patients who have shallow palates, small mouths, or tori.

The Bisecting technique is recommended when there is no alternative or for certain selected teeth with difficult-to-access root canals.

The bisecting angle technique is used when it is difficult to position the film parallel to the long axis of the tooth and is considered the standard method of periapical radiography. It has also been known as the original technique, being used by Roentgen when he first discovered x-rays and has undergone significant modifications over the years, and is still commonly used today.

The bisecting angle technique is used to minimize the distortion of the object (tooth) and reduce the size of the shadow.

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Answer: Hi

Explanation: I need answers too

An example of a part of the hydrosphere that is far away from me is the Arctic Ocean. The Arctic Ocean is located in the polar region and is covered by a layer of ice for most of the year.

Water in the Arctic Ocean can travel through the water cycle by a process called evaporation. As the sun shines on the Arctic Ocean, it can cause some of the water on the surface to evaporate, turning it into water vapor. This water vapor can then travel through the atmosphere and condense into clouds as it cools down. As the clouds move over different regions, they can release precipitation, which can fall as rain or snow depending on the temperature.

If the water that originated from the Arctic Ocean falls as snow, it could accumulate and eventually form glaciers or ice caps in higher elevations. As the temperature warms, the snow and ice can melt, turning into liquid water. This water can then flow downhill and eventually reach rivers, lakes, and oceans, where it can evaporate again and continue the water cycle.

If the water that originated from the Arctic Ocean falls as rain, it could end up in a puddle where I live if it lands on the ground and doesn't flow into a body of water. As the temperature warms, the puddle can evaporate and turn into water vapor, which can then become part of the atmosphere and continue the water cycle.

Overall, water in the hydrosphere can travel through different states (solid, liquid, gas) as it moves through the water cycle and can end up in different regions, including where I live, through precipitation and other natural processes.

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Ishi should not wear animal skins at a photo shoot because animals are important.

Ishi should not wear the animal skin because animal are very important to ecosystem. The number of animal in nature is decreases day by day. The tiger, lion and elephant are most precious animal and decreases day by day.

If ishi will wear the photo shoot, people will get encourage to wear more and more clothes of animals. Therefore, people will kill more and more animals. Nature would be affected for this. So advertisement, photos and social media are the some of the ways which encourage the people.

If people kill more animals for skin and bags and other things, it will harm nature and ecosystem as well.

Therefore, Ishi should not wear animal skins at a photo shoot because animals are important.

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