What is the best definition
of a pure substance?
A. changes that make new molecules
B. a substance that is mixed with another
C. a substance made of only one component

Answer:

The correct order of protein production is:

c) 1,2,4,3

Ribosome: Protein synthesis begins in the ribosomes, which are located either in the cytoplasm or attached to the endoplasmic reticulum.

Endoplasmic Reticulum: After the initial stages of protein synthesis in the ribosomes, the newly synthesized protein is transported into the endoplasmic reticulum (ER) for further processing and modification.

Golgi Apparatus: The proteins synthesized in the ER undergo further processing and modifications in the Golgi apparatus. This includes sorting, packaging, and modifying the proteins to their final functional forms.

Secretory Vesicles: Once the proteins are properly processed and modified in the Golgi apparatus, they are packaged into secretory vesicles. These vesicles transport the proteins to their destination, such as the plasma membrane for secretion outside the cell.

Therefore, the correct order is 1, 2, 4, 3.

Answer:

The correct order of protein production is ribosome, endoplasmic reticulum, Golgi apparatus, and secretory vesicles. So the correct answer would be c) 1,2,4,3.

Many proteins destined for the endoplasmic reticulum, the Golgi apparatus, lysosomes, the plasma membrane, and secretion from the cell are synthesized on ribosomes that are bound to the membrane of the endoplasmic reticulum. The Golgi apparatus then distributes these proteins and lipids that it receives from the ER.

Answer:

A.) Smog

Explanation:

Figure 1 is a graph that illustrates the relationship between two variables in a system, as indicated by the direction and shape of the plotted line.

The graph may be used to identify the correlation between variables, the rate of change, and the characteristics of a system.The horizontal axis, or x-axis, is the independent variable, while the vertical axis, or y-axis, is the dependent variable. As the independent variable changes, the dependent variable is affected and changes in a predictable manner. The slope of the line shows the direction and steepness of the relationship between the two variables.

A positive slope indicates that as the independent variable increases, the dependent variable also increases. A negative slope indicates that as the independent variable increases, the dependent variable decreases. A slope of zero indicates that there is no relationship between the two variables.

The shape of the line, whether linear or nonlinear, indicates the rate of change between the two variables. Nonlinear relationships may be curved, such as exponential, logarithmic, or polynomial functions, or they may be stepwise, as in a staircase function. Linear relationships, on the other hand, are typically straight lines with a constant slope.

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Answer:

C. Genes are transcribed into mRNA, the mRNA is then translated into proteins, which determines specific traits.

Explanation:

Genes are segments of the genetic material (DNA) that encodes certain products, which are heritable. In the central dogma of biology, genes are expressed via two processes viz: transcription and translation.

Transcription is the process whereby the information in genes are used to synthesize mRNA molecule, while Translation is the process whereby the mRNA molecule is used to synthesize proteins in the ribosome.

The proteins are responsible for the individual characteristics or traits possessed by living organisms. For example, MELANIN GENE is transcribed into MELANIN mRNA, which is then translated into MELANIN PROTEIN responsible for the skin colour (trait).

Experiment

In this experiment, as the question the investigators are trying to answer is what component is the limiting one, it is necessary to test every one of them, independently. Therefore, the best option is to change the concentration of one of them and leave the rest unchanged. To accomplish this, would be necessary three different tanks, one for phosphorus, one for iron, and one for nitrogen (option A).

To determine which nutrient is limiting algal growth, the company can add phosphorus to one tank, nitrogen to another, and iron to a third, and see which treatment increases algal growth. Therefore, option A is correct.

By adding each nutrient separately to different tanks and observing the effects on algal growth, the company can identify which nutrient is limiting. If the addition of phosphorus to one tank leads to increased algal growth, it suggests that phosphorus was the limiting nutrient.

Similarly, if the addition of nitrogen or iron to their respective tanks results in increased algal growth, it indicates that nitrogen or iron, respectively, was the limiting nutrient. Thus, option A is correct.

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Acid deposition is the deposition of acidic compounds from the atmosphere to the Earth's surface. It is caused by natural sources like volcanoes and human activities such as burning fossil fuels. Chemical equations include \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\) and NOx + \(O_2\) + \(H_2O\) → \(HNO_3\). Acid deposition can be wet or dry, harming ecosystems and causing damage to structures. The effects of acid deposition are far-reaching. It can lead to the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect the growth and survival of plants and animals. Acid deposition can also damage buildings, statues, and monuments made of limestone or marble, as these materials are particularly susceptible to erosion by acids.

Acid deposition refers to the deposition of acidic compounds from the atmosphere onto the Earth's surface.

Sources of acid deposition include natural sources like volcanic emissions and the oxidation of sulfur and nitrogen compounds, as well as human activities like burning fossil fuels.

The chemical equations involved in acid deposition formation are:

  a. Formation of sulfuric acid: \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\)

  b. Formation of nitric acid: NOx + \(O_2\) + \(H_2O\) → \(HNO_3\)

Acid deposition can be classified into two types: wet deposition and dry deposition.

  a. Wet deposition occurs when acidic pollutants dissolve in precipitation and are deposited onto the Earth's surface.

  b. Dry deposition happens when acidic particles and gases settle directly onto the ground or other surfaces without being dissolved in precipitation.

The effects of acid deposition include the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect plant and animal life. It can also cause damage to buildings, statues, and monuments made of limestone or marble.

A visual representation of the sources, formation, and precipitation of acid deposition can be illustrated through a diagram or drawing. This can show the emission sources, chemical reactions, and the deposition of acidic compounds onto the Earth's surface.

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Answer:

D.

as roots help plants to be stable in ground

Answer:

1). B: Does the organism perform photosynthesis?

2). If nucleus is there or not

Explanation:

1). Only plants perform photosynthesis, while fungi decompose matter.

2). Prokaryotes have genetic material in the open cytoplasm, whereas eukaryotes have a nucleus that contain the genetic material.

Answer:

So, assuming the dice are 'fair' (that each of the six numbers has a probability of 1/6 of showing up on each of the dice), there is a probability of 1/36 that all three dice will show the same number.

Explanation:

Answer:

landslide

Explanation:

Answer:

I think it's landslide

hope this helps

have a good day :)

Explanation:

Our ecosystems' health is significantly influenced by turkey vultures. They act as nature's cleanup crews by getting rid of decaying, corpses. Thus, option C is correct.

Vultures perform a crucial role in maintaining the balance of our ecosystems. Without them, carcasses would build up and rotting flesh would cause diseases to spread.

Which prevents the spread of certain diseases and makes the air smell much nicer overall.

Since their incredibly potent stomach acids destroy many of the poisonous substances found in dead animals, they ingest carrion quickly before it decomposes.

Given that they primarily eat dead animal corpses, vultures are excellent at cleaning out illnesses and toxins from the environment.

Therefore, Turkey vultures are carnivores which feed upon decaying animal matter.

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Full Question ;

Turkey vultures eat carrion, which is decaying animal matter, like roadkill. How are they classified?(1 point)

autotroph

herbivore

carnivore

omnivore

Geothermal energy is one of the least harmful to the environment

What is geothermal energy?

The thermal energy produced and kept in the Earth's crust is known as geothermal energy. The ongoing nuclear fusion process keeps the Earth's core at a temperature that is roughly consistent with that of the Sun. Some rocks melt under the intense heat and pressure, which causes the mantle to rise (as they become lighter with the heat). These molten rocks that were created in the crust of the Earth are propelled upward where they become trapped in certain areas known as "hot spots." Steam is produced when the hot point makes contact with subterranean water. This hot water-formed area occasionally has surface outlets. Hot springs are where this hot water bursts from these sources.

According to the question:

Geothermal energy is a clean form of energy, making it one of the least damaging to the environment. It can be utilized in an emergency and won't run out of water because it consumes water continuously.

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Answer:

1) bay - 0%

  cream - 0%

  buckskin - 100%

2) cream - 25%

    bay - 25%

   buckskin - 50%

3) co-dominance

Explanation:

Ok so a run down on Punnett Squares,  all you have to do is put the parent's genes on the top and right hand side and combine those two genes in the middle as I did in the picture.  Now, co-dominance, this basically means that there is no dominant allele.  For example, imagine a white flower (W) and a red flower (R).  If these two plants were to breed, you would get a pink flower (WR).  This means the red allele and the white allele are both co-dominant.  It is basically a combination of both genes that result in a mixed phenotype of the two genes, aka red and white makes pink.  This is also how you get an AB blood type.

I hope this helps!

In my experience the answer would be:

"In an ethical argument, some people argue that human embryonic cells should be protected."

Because as with abortion, the general idea is that stem cells or embryos have life and must be protected. Therefore, there are many people against stem cell therapies. However, in the scientific community, stem cells are not considered conscious organisms.

Answer:

QUESTION:

Tell me more about the parts of the water cycle and how they work.

ANSWER:

The water cycle consists of three major processes: evaporation, condensation, and precipitation. ... In the water cycle, liquid water (in the ocean, lakes, or rivers) evaporates and becomes water vapor. Water vapor surrounds us, as an important part of the air we breathe. Water vapor is also an important greenhouse gas.

Explanation:

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Answer:

fruit

Explanation:

This mixture causes protein structures to uncoil, or denature, allowing enzymes to attach easily to the protein structure.

Denaturation is a process in which a protein loses its structure and biological activity due to changes in temperature, pH, or exposure to certain chemicals. In this context, denaturation is advantageous for enzymes, as it exposes their active sites, making them more accessible for substrate binding and catalysis. This is particularly important in industrial and biotechnological applications, where these are used to catalyze reactions and produce various products. By denaturing proteins, scientists can optimize the performance of enzymes and improve their efficiency.

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Answer:

Texas saw 382,050 births in 2017 the total fertility rate was 1,884 for whites, 2107. for black 2263

hawala............ higher education rank #21

The relationship between these fMRI-identified regions and 719 neuronal category selectivity refers to the correspondence between the brain regions identified by fMRI and the specific categories of neurons that exhibit selectivity for certain stimuli or tasks.

Functional magnetic resonance imaging (fMRI) is a non-invasive neuroimaging technique that measures changes in blood flow and oxygenation levels in the brain, providing information about brain activity. By analyzing fMRI data, researchers can identify specific regions of the brain that are selectively activated during different cognitive tasks or in response to specific stimuli.

On the other hand, neuronal category selectivity refers to the phenomenon where certain neurons in the brain exhibit selectivity for specific categories of stimuli or tasks. For example, neurons in the visual cortex may respond selectively to faces, objects, or specific features of visual stimuli.

The relationship between fMRI-identified regions and neuronal category selectivity involves understanding whether the brain regions identified by fMRI correspond to the specific categories of neurons that exhibit selectivity for certain stimuli or tasks. This requires integrating data from both fMRI studies and studies that directly record neuronal activity, such as single-unit recordings or multi-electrode array recordings.

By comparing the activation patterns observed in fMRI studies with the response properties of individual neurons, researchers can investigate the correspondence between the brain regions identified by fMRI and the specific categories of neurons that exhibit selectivity. This line of research helps to establish a link between macroscopic brain activity measured by fMRI and the underlying neural mechanisms at the cellular level, providing insights into how different brain regions contribute to specific cognitive functions or perceptual processes.

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Answer:

Deoxyribonucleic Acid [DNA]

Explanation:

DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism.

viruses are a chain between living and nonliving beings . they are obligatory paracites and have either RNA or DNA .

Answer:

living things in an environment

B. A recognition molecule on the surface of the cells.

An antigen is a substance that is capable of triggering an immune response in the body. It is typically a foreign substance, such as a pathogen (e.g. a virus or bacterium), a toxin, or a non-infectious particle (e.g. pollen or dust), that is recognized by the immune system as being foreign and potentially harmful.

When an antigen enters the body, it is recognized by immune cells called B cells and T cells, which produce proteins called antibodies to help neutralize and remove the antigen. The antigen-antibody interaction is a key part of the body's immune response and helps to protect us against infectious diseases.

Antigens can also be present on the surface of our own cells, such as cancer cells or transplanted organs, and can trigger an immune response if they are recognized as foreign by the immune system.

Overall, antigens are important components of the body's immune system and play a critical role in protecting us against infectious diseases and other threats.

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The genetic material  needed for sexual reproduction must come from both parents. The gametes, or sex cells, of the parent plants are both male and female.

To create babies, the genetic material from the male and female gametes is combined. This procedure is known as fertilization. Seeds are the result of sexual reproduction.

Genetic material from both parents is present in seeds that are created by fertilization. As a result, neither of the parent plants' offspring and the offspring are genetically similar. They may be able to survive if the environment changes thanks to their genetic variety.

Pollination, the act of sexual reproduction in flowering plants, is how it happens. Stamens, the male sex organ, and pistils, the female sex organ, are found in flowers.

Therefore, The genetic material  needed for sexual reproduction must come from both parents. The gametes, or sex cells, of the parent plants are both male and female.

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A taxon is a group of organisms that are classified together based on shared characteristics or evolutionary history.

Taxa are hierarchical, meaning that they are organized into increasingly inclusive categories. The basic taxa, in order from most inclusive to least inclusive, are: domain, kingdom, phylum, class, order, family, genus, and species. For example, the taxon "Chordata" is a phylum that includes all animals with a notochord, while the taxon "Felidae" is a family that includes all cats. The naming and classification of taxa is referred to as taxonomy.

From the given diagram:

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The process which connects glycolysis and the citric acid cycle is acetyl CoA formation.

Glycolysis is the reaction pathway busy which a glucose molecule is converted to two pyruvate molecules with the production of two net ATP molecules.

This is a cyclic reaction pathway in which a mole of acetyl CoA is oxidized to two molecules of carbon (iv) oxide with the production of the reducing equivalents NADH and FADH2 as well as two ATP molecules.

The pyruvate from glycolysis is oxidized to an acetyl CoA molecule by the pyruvate dehydrogenase complex. The acetyl CoA produced then enters the citric acid cycle.

Therefore, the process which connects glycolysis and the citric acid cycle is acetyl CoA formation.

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Answer:

It's B

Explanation:

I took one for the team.

Beta blockers, which prevent the effects of a neurotransmitter, are considered to be antagonist medications.

Beta blockers are medications that are used to manage high blood pressure (hypertension) and are part of a class of medications called antihypertensives. Beta blockers work by blocking the effects of the hormone adrenaline, which causes the heart to beat faster and with greater force.

When the effects of adrenaline are blocked, the heart rate slows down, and the heart doesn't have to work as hard to pump blood around the body. Neurotransmitters are chemicals that are released by nerve cells. They are responsible for sending messages between nerve cells, allowing them to communicate with each other. There are many different types of neurotransmitters, including serotonin, dopamine, and adrenaline. Beta blockers block the effects of adrenaline by preventing it from binding to its receptors in the heart.

This causes the heart rate to slow down and the heart to beat less forcefully. Beta blockers also block the effects of other neurotransmitters such as norepinephrine, which is another hormone that is released by the adrenal glands in response to stress. As a result, beta blockers are often used to treat anxiety disorders and other conditions where the body produces too much adrenaline or other stress hormones.

Therefore, beta blockers which prevent the effects of a neurotransmitter are considered to be antagonist medications.

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Beta blockers, which prevent the effects of a neurotransmitter, are considered antagonists.

The statement given in the question, "beta blockers, which prevent the effects of a neurotransmitter, are considered..." ends with a blank space. The given statement shows that the answer is related to the function of beta blockers and its effects on the neurotransmitter. Beta blockers: Beta-blockers are drugs that are used to treat a variety of conditions including high blood pressure, heart disease, and migraines. Beta-blockers block the effects of epinephrine (adrenaline) and norepinephrine (noradrenaline) on the sympathetic nervous system. This reduces the heart rate, blood pressure, and stress response, thereby helping to alleviate symptoms of these conditions. Neurotransmitters: Neurotransmitters are chemical messengers that are produced by nerve cells to communicate with other nerve cells. They are released into the synapse, the small gap between the nerve cells, where they bind to receptors on the surface of the next cell and transmit the signal. There are several different neurotransmitters in the brain and nervous system, each with its own specific function. Antagonists: An antagonist is a substance that blocks or counteracts the effects of another substance. In pharmacology, an antagonist is a drug that binds to a receptor and prevents the natural ligand (such as a neurotransmitter) from binding to the receptor and activating it. This effectively blocks the signal that would normally be transmitted by the receptor, thereby reducing its activity.

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Answer:

Please mark as Brainliest.

Explanation:

Polar easterlies are the cold and dry wind that blows from the polar regions (North pole and South pole) to the region of 60 degrees latitude. This type of wind is formed due to the sinking of the cold air resulting in the formation of a high pressure zone at both the poles. This wind when blows from the poles to the 60 degrees latitude, it slightly gets deviated towards the western side because of the effect of the Coriolis force. This Coriolis force comes into the picture due to the earth's continuous rotation.

Thus, the polar easterlies determines how far south the cold air travels from the North Pole.