Which of the following is the main role of photosynthesis on Earth?

a
Supply needed reactants for cellular respiration
b
Generate oxygen for the atmosphere
c
Provide food for organisms that do photosynthesis
d
All above responses are correct

In the context of the physiological effects of nicotine, nicotine mimics acetylcholine by acting at several nicotinic subtypes of cholinergic receptor site.

Nicotine is a chemical extracted from the tobacco plant and can be highly addictive. The drug is also used medicinally to reduce anxiety. Nicotine can competitively bind to the nicotinic receptors that are actually for acetylcholine and cause the brain and body to be desensitized. This happens due to depolarization of the nerve cells.

Acetylcholine is a neurotransmitter. The chemical controls bodily activities like: muscle control, autonomic body functions, learning, memory, etc. The neurotransmitter is released during the parasympathetic nervous activity.

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Answer:

It gives off only one wavelength of electromagnetic radiation.

Explanation:

A sensor is a synthetic representation of what is known as a sense in biology. It receives and interprets those senses in a synthetic manner.

Although the software and "virtual" sensors are also conceivable, electrical or mechanical sensors predominate. A machine can employ a sensor to sense its surroundings or to gather data that can be utilised to manage operations in business and computer science. A sensor takes a physical measurement.

Radiation, pressure, temperature, magnetism, level, movement, light intensity, and chemistry are among the fields in which the quantities are found. For subsequent processing, sensors transform the observed quantity into a standardised control signal.

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The term that is not associated with urie bronfenbrenner's ecological-systems approach is humanism.

Urie Bronfenbrenner is credited with developing the ecological systems theory. It provides a framework for examining how people relate to one another within their communities and the larger society, according to community psychologists.

The ecological/systems framework is another name for the theory. The ecological systems theory developed by Bronfenbrenner is one of the most widely recognized theories explaining how social settings affect human development. According to this belief, your upbringing has an impact on every aspect of your life.

The microsystem, mesosystem, exosystem, macrosystem, and chronosystem were the five systems that Bronfenbrenner used to categorize a person's environment.

The ecological systems theory of Bronfenbrenner focuses on the nature and context of the child's surroundings. According to him, these settings' interactions change as a child grows and develops. As a child's physical and cognitive systems develop and mature, this complexity may appear.

In conclusion, humanism isn't part is the system.

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Which term is not associated with urie bronfenbrenner's ecological-systems approach?

microsystem

mesosystem

humanism

exosystem

The antigen fragments could kill viruses and opsonize bacteria due to the intact antigen-binding site.

When your body comes into contact with an undesirable chemical, antibodies, proteins, protect you. Your immune system produces antibodies that bind to these foreign substances and expel them from your body. An alternative name for an antibody is immunoglobulin.

Immunoglobulins, usually referred to as antibodies, come in five main varieties in the body. The immunoglobulin isotypes IgA, IgD, IgG, IgE, and IgM differ from one another. Mucosal tissue contains immunoglobin A (IgA), which serves as the body's first line of defense against infection. Pathogens are marked by IgA for eradication by other antibodies.

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Because my DNA provides the instructions required for my cells to generate the proteins that build up my body, it has an impact on both how I look and how my body works. These proteins include my shape-determining structural proteins, color-determining pigments for my skin, hair, and eyes, food-digesting enzymes, and disease-fighting antibodies. Some of these proteins may change or cease to function if this code were altered. This could result in a condition like sickle cell anemia.

DNA- The molecule found inside cells that carries the genetic material necessary for an organism to grow and operate.

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Fever  is referred to as the systemic effects of inflammation in this type of scenario and is therefore denoted as option 2.

This is referred to the way the immune system responds to foreign bodies through the body's white blood cells protecting from infection or diseases which are caused by invaders.

When the immune system attacks the foreign bodies, there is usually a change in temperature because it helps in initiating the response which occurs so that the body can heal itself in this type of condition which is why fever was chosen as the most appropriate choice.

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Answer:

polarity

Explanation:

Because of its polarity and ability to form hydrogen bonds, water makes an excellent solvent, meaning that it can dissolve many different kinds of molecules.

Answer: Forgive me if I’m wrong, but I think it’s B.

Explanation: The other listed methods draw on existing research, and history. Current theories are unlikely to change simply by reviewing already discovered information. Option B provides new insight and a deeper look, which is more likely to uncover new information.

However, discussion promotes questioning and looking “between the lines” of research/data, and maybe rarely, something new, but also pretty marginal, might appear.

Answer:

Enzymes

Explanation:

Enzymes are biological catalysators.They can do this by lowering the activation energy

According to the research, the correct option is R groups. All 20 amino acids have a similar chemical structure except for the R groups.

They are substances that are responsible for optimizing in the best possible way the storage of fundamental elements for the organism whose molecules are formed by a carboxyl group and an amino group.

In this sense, the carboxyl group joins the amino group through the same carbon (the alpha carbon) attaching a side chain whose structure varies (R groups) and a hydrogen, generating the different amino acids.

Therefore, we can conclude that according to the research, the correct option is R groups. All 20 amino acids have a similar chemical structure except for the R groups.

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Answer:

the answer is the second option.

carbohydrates, lipids, proteins and nucleic acids are biological molecules essential to sustain life in living organisms.

Answer:

i think it's the second one

Explanation:

i think, not really sure

The zone richest in life is the Intertidal zone. The correct option is D.

The intertidal zone is a zone that is present in between the ocean and the land. This is the part where the ocean water meets the land. This area contains animals that live in the water and the animals that live in the ocean.

The photic zone is the zone of the ocean that contains sunlight and where the sunlight passes through. The aphotic zone is the zone in which sunlight does not go. This is preset in the bottom of the water bodies,

Thus, the correct option is D. Intertidal.

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Because it lacks certain essential insect features, a spider is not classified as an insect (three body regions, six legs, antennae, compound eyes, etc).

Beetles are insects that belong to the superorder Endopterygota's Coleoptera order. They can be distinguished from most other insects by the fact that their front pair of wings have solidified into wing-cases, or elytra.

Both share all five features that define arthropods: segmented bodies with different body sections, jointed appendages, exoskeletons, growth through molting, and open circulatory systems.

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Due to the compound blocking the Ca2+ functions, their will be a delay in cortical granule fusion with the egg plasma membrane. This will test  the hypothesis that a rise in Ca²⁺ level triggers cortical granule fusion.

Therefore, a delay will be observed in the cortical plasma membrane fusion.

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The type of dating that establishes a sequence for the artifacts and fossils found at a site, but that does not establish a specific age for these items, is called Relative Dating.

Without necessarily determining their absolute ages, relative dating is the science of figuring out the relative sequence of historical events (i.e., the age of an object in comparison to another) (i.e., estimated age).

In geology, one stratigraphic column can be correlated with another using rock or surface deposits, fossils, and lithologies. Prior to the early 20th century discovery of radiometric dating, which offered an absolute dating method, archaeologists and geologists utilized relative dating to ascertain the ages of materials.

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The signal being transmitted is the knowledge that a signaling molecule is bound to a cell-surface receptor. Sequential protein-protein interactions change protein shapes, causing them to function in a way that allows the signal (the information) to pass through.

The binding of extracellular signaling molecules and ligands to receptors on the cell surface or within the cell that trigger events inside the cell to elicit a response is referred to as the signal transduction pathway. The response can then change the metabolism, form, and gene expression of the cell.

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This is  because Digestive enzymes catalyze the decomposition reactions of the complex food molecules into the absorbable fragments; without its the enzyme, a substrate cannot be degraded.

Digestive enzymes play the key role in the breaking down the food you eat. These proteins are speed up the chemical reactions that turn into nutrients into the substances that your digestive tract can absorb. Your saliva has the digestive enzymes in it. Some of your organs, which including your pancreas, the gallbladder, and liver, also release them. Naturally occurring digestive enzymes are the proteins that your body was makes to break down the food and to aid digestion. Digestion is the process of using the nutrients that is found in food to give your body energy, and help it grow and to perform the vital functions.

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Medela would cause the kidneys to absorb less water, increasing the amount of water lost in the urine.

The epithelium is a type of body tissue that forms the covering on all of your body's internal and external surfaces, lines body cavities and hollow organs, and is the main tissue in glands.

Epithelial tissues are found all over the body. They cover all body surfaces, line body cavities and hollow organs, and make up the majority of gland tissue. They serve a number of purposes, including defense, secretion, absorption, excretion, filtration, diffusion, and sensory reception.

Medela would cause the kidneys to absorb less water, increasing the amount of water lost in the urine.

Because drugs reduce the permeability of the collecting duct epithelium to water, the kidney's medulla absorbs less water, increasing the amount of water lost in the urine. As a result, the individual must have a strong desire to urinate constantly.

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Severe is the weathering probability for all dwelling sites located in the state of south dakota.

The term "dwelling" refers to any building, structure, or portion of a building that is occupied or planned or intended for occupation as, a residence by one or more families, as well as any vacant land that is offered for sale or lease in exchange for the construction or placement of any such building, structure, or portion.

A home is a permanent structure or structure. a structurally divided portion of it, such as a detached By the way, a house or apartment complex unit. It has been constructed or changed and is meant for human occupancy. a single household.

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The heart is an important organ in the body for pumping blood. The heart is four-chambered. SA node is located in the left chamber of the heart.

The heart is four chambered organ. It is an important pumping organ in the body. There are SA node and AV node located in the heart. SA node is located in the left atrium.

SA node is the pacemaker of the heart. It generates action potential in heart. From SA node it transfer information to AV node, From Av from it transfer information to AV bundle. From AV bundle it transfer information to purkinje fibers.

Heart is a conduction system of nodes, cells and signals that controls heartbeat. Conducting signals conduct electrical signals and muscle cell help in heart contraction.

The atrium are the two upper chamber of the heart and ventricles are the two lower chamber of the heart.

Therefore, The heart is an important organ in the body for pumping blood. The heart is four-chambered. SA node is located in the left chamber of the heart.

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The characteristic of the lysogenic cycle is Viral DNA takes over the host cell, making new viruses that burst out of the cell. The correct option is a.

Although viruses are inanimate objects, they become alive and start to divide and develop when they infect a living host.

Viruses are pathogens that spread throughout their host and infect it. Others emerge from the host cell once they have infected one host and spread to the other hosts.

Thus, the correct option is a. Viral DNA takes over the host cell, making new viruses that burst out of the cell.

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Answer

Ecological problem is one of the most important issues nowadays. Human activities have a negative impact on the environment. Humanity currently faces problems with air, water, and lands pollution, unreasonable agricultural systems, deforestation, and others. As a result, the number of available natural resources is decreasing. Another negative consequence of human activities is the process of global warming and global climate changes. These changes affect the whole Earth and might result in adverse consequences for people and wild nature

Another important action we perform to improve the situation with water is avoiding water pollution. Our family refused to use cleaning detergents with phosphates as it is known that these substances are harmful to human health. Moreover, it is difficult to eliminate these compounds from water. Therefore, phosphates in the water get to nature and poison living organisms. Thus, it is better to use detergents without phosphates. It helps to keep the healthy and to reduce water pollution

Except for water pollution, there are a lot of other problems that need to be solved. One of them is waste deposits. These deposits occupy a large area. Different wastes need different (however, always significant) times to decompose. Besides, while decomposing, a lot of harmful compounds appear. These compounds poison the land and can get to the water. In the last decades, a lot of programs of waste separation appeared. People are asked to separate the waste: to combine plastic with plastic, organic with organic, and paper with paper. Different wastes are treated in different ways, which allows cutting pollution. For example, plastic can be remolded and used again, while it requires hundreds of years for its degradation in nature. Moreover, during this process, a lot of harmful products release (Law and Thompson 144). Thus, it is better to separate plastic material and recycle it. It would be even better not to use plastic at all, and when it is possible, try to use biopolymers instead.

Except for water pollution, there are a lot of other problems that need to be solved. One of them is waste deposits. These deposits occupy a large area. Different wastes need different (however, always significant) times to decompose. Besides, while decomposing, a lot of harmful compounds appear. These compounds poison the land and can get to the water. In the last decades, a lot of programs of waste separation appeared. People are asked to separate the waste: to combine plastic with plastic, organic with organic, and paper with paper. Different wastes are treated in different ways, which allows cutting pollution. For example, plastic can be remolded and used again, while it requires hundreds of years for its degradation in nature. Moreover, during this process, a lot of harmful products release (Law and Thompson 144). Thus, it is better to separate plastic material and recycle it. It would be even better not to use plastic at all, and when it is possible, try to use biopolymers instead.It is important to understand that small steps are better than nothing. If we want to improve the ecological situation, we should start with ourselves, analyze our daily activities, and make improvements where it is possible. Carrying about our environment is our responsibility as citizens. Finally, the small effects of such actions might summarize positive global changes.

Answer:

Water dissolves a lot of other substances Its charged molecules and can dissolve them. EX: Water and salt

Explanation:

Water Molecules have a slight positive charge on the Hydrogen side and a slight negative charge on the oxygen side. The top layer of water molecules are extra cohesive and likely to create a skin-life surface.

Neurotransmitters are released from secretory vesicles in neurons by a process called exocytosis.

Exocytosis is a form of active transport that occurs in cells in which a material is transported to the outside of this cell, being an active process the cell requires energy to carry it out.

Through this transport molecules are released outside the cell, it happens in cells that secrete substances such as glands or neurons to release their intravesicular content.

In exocytosis, the vesicles generated inside the cell will be transported to the membrane and will fuse with porosomes to secrete their content into the extracellular space.

Therefore, we can confirm that neurotransmitters are released from secretory vesicles in neurons by a process called exocytosis.

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To control for the possibility that the filtrate contained material derived from moss.

The microcosm-macrocosm analogy (or, equivalently, the macrocosm-microcosm analogy) refers to a historical view that postulated a structural similarity between the human being (the microcosm, that is, the small order or the small universe) and the cosmos as a whole (the macrocosm.

With this information, we can conclude that Mosses make up the majority of bryophytic plants. They are small plants with a simple structure, they do not have conducting vases, flowers and seeds. Mosses can be found in almost all parts of the world, even in frozen regions.

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Answer:

control

Explanation:

i think it's control since they set it up to be different heights... i forgot about this tho loll

Answer:

I would say this is a independent variable

Explanation:

sorry if wrong  

The sample of the livers from the affected patients to the culture and to compare the organisms....grow the suspected organisms in the culture....inoculate the cultured and organisms into the laboratory animal and monitor for the similar symptoms....the culture and analyze the organism was from the lab animal and to determine the relatedness.

The Liver disease can be progress to cirrhosis and the liver failure. Associated with complications may include they increased risk of the bleeding and the infection, the malnutrition and weight loss, and to decreased cognitive function. Some of the liver diseases are associated with an increased risk of the developing liver cancer If up to 50 to 60 percent of the liver and cells may be killed within three to four days in the extreme case like a Tylenol overdose, the liver that will repair completely after the 30 days if no complications arise.

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Somatic sensations are processed by the main somatosensory cortex. These sensations are produced by receptors located all over the body.

The sensory system's component that deals with conscious awareness of touch, pressure, pain, temperature, position, movement, and vibration.

All of which originate from the muscles, joints, skin, and fascia—is known as the somatosensory system.

With their eyes closed, a person may hold a spoon and recognize it as a spoon based on its texture, temperature, and form. This is an example of the somatosensory cortex in action.

Therefore, somatosensory cortex at the front of the parietal lobes and registers and processes body touch and movement sensations.

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