What is it that makes diseases caused by viruses and bacteria hard to treat?

[tex]\huge\purple{Hi!}[/tex]

watermelon, strawberry, pumpkin and sweet potatoes plants have stems that grow along the ground.

The best way for LeeAnn to display her data for analysis so she can make predictions about the amount of light needed for maximum growth will be a line graph.

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Answer:

line graph.

Explanation:

Answer:

the Vajpayee is a term that ecompasses all the ecosystem from the Earth it there for increase both non living elements like sunlight and water and leaving organisms

Explanation:

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Answer:

Explanation:

: There's only one stable, long-lasting biosphere that we know of. It's the Earth. It shouldn't surprise you that human attempts to create sealed systems don't generally fare very well. The International Space Station, despite efforts to recycle everything possible (including converting urine to drinkable water--do you still want to be an astronaut?) to reduce costs, couldn't sustain life for long without a steady supply of provisions from, and garbage hauling back to, Earth. You know they try hard because, if all goes as planned, it costs about $10,000 to put a pound of payload (supplies) into Earth orbit. The BioSphere 2 project in Southern Arizona was an interesting and costly effort, but the original studies weren't very scientific and it proved quite difficult to keep just a handful of humans alive for a relatively short period of time. You can buy tiny sealed marine ecosystems enclosed in glass. They are beautiful curiosities, but the one I bought for my wife lasted less than a year before crashing. Among the crazier justifications for space exploration is that when (note the assumption of inevitability) we ruin the Earth, we will need new places to live (and, presumably, ruin). Unless or until we can do a lot better at building self-contained ecosystems, it would be a far better use of human effort to focus on preserving the only one we've got. Not only that but, if we make the Earth uninhabitable, I'm not sure we deserve to live somewhere else. But the challenge itself is interesting, and the scientific questions you can ask in the process of understanding, building, and trying to maintain such a system are valid. We're going to give it a try. Good luck! There's a Nobel Prize in it.

Answer:

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Dog with the good smell survive in the environment as compared to bad smell.

Another example of Darwinian theory is that if dogs that have a good sense of smell are better able to survive as compared to dogs without a good sense of smell. So those dogs that have this ability increase in number because those with a bad sense of smell die out.

So we can conclude that dog with the good smell survive in the environment as compared to bad smell.

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The components of the chloroplast are arranged and integrated to facilitate photosynthesis is called chlorophyll.

Chlorophyll a absorbs dark blue wavelengths and dark red wavelengths and Chlorophyll b absorbs a light blue wavelength and a red wavelength. Chlorophyll has two main functions the biosynthesis of sugars and the production of oxygen.

Chlorophyll is the pigment responsible for capturing light and ensuring that photosynthetic organisms can produce their food through the process of photosynthesis.

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The domain Archaea is comprised of unicellular, prokaryotic organisms.

Archaea is a group of microscopic organisms that are unicellular, prokaryotic, and live in extreme environmental conditions.

Archaea are found in environments such as hydrothermal vents, hot springs, etc. An example includes the blue-green algae.

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There are four types of tissues in the organism (epithelial, muscular, connective, and nervous). Tissues are composed of cells and extracellular matrix.

Tissues are cells organized and associated, accomplishing different functions in the organism.

There are four types of tissues: epithelial, muscular, connective, and nervous.

All of them are composed of the same components that might vary according to the tissue and its functions.

Cells are the main component of tissues. Their shape, size, organization, and closeness vary from tissue to tissue.

The extracellular matrix is the space between cells. It varies in size, state,  and composition depending on the tissue.

It contains proteins, water, salts, and other macromolecules. This composition also varies.

Among their many different functions, we can mention hydration, mechanical pressure resistance, reproduction and cell differentiation, motility, substances diffusion, communication between cells, and damaged tissue repairing, among others.

In addition to cells, the extracellular matrix compose tissues.

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The human evolutionary theory is supported by analysis of maternal inheritance through analyzing mitochondrial dna is; Recent African Origin Theory.

Human evolution theory is simply defined as the lengthy process of change by which people originated from apelike ancestors.

Now, the correct answer to the question will be "Recent African Origin Theory". This is because the "recent African origin" model proposes that all modern non-African populations are substantially descended from populations of Homo sapiens that left Africa after that time.

The description above corresponds with the idea that analysis of maternal inheritance is done through analyzing mitochondrial dna.

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1°C increase of temperature can effect the biodiversity of the habitat in terms of number of populations and number of individuals in the population, it can either increase or decrease the population growth.

1°C increase in temperature on biodiversity can increase or decrease the population growth.

Population growth  or change in number of individuals in the population of some organisms increases or decreases with the increase in temperature. The population of certain species such as Nassuar grouperand, Queen angelfish increases with the increase in temperature while some species such as sponges and algae decreased in population with the increases in temperature. This is because some species need high temperature to grow, so even a 1°C increase in temperature increases the population while some species need low temperature to grow, so high temperature kills them and population is decreased.

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Answer:

Menkes disease is caused by a defect in the ATP7A gene. The defect makes it hard for the body to properly distribute (transport) copper throughout the body. As a result, the brain and other parts of the body do not get enough copper, while it builds up in the small intestine and kidneys. Menkes syndrome causes impaired copper absorption. This results in changes in the arteries and deterioration of the brain. Menkes syndrome is rare. Most children born with Menkes syndrome have a life expectancy of < 4 years.

Explanation:

Large-scale agriculture will definitely lead to increased atmospheric carbon dioxide. This is due to the attribute that the amount of oxygen released by agricultural plants increases and filters the air that contains toxic gases like carbon monoxide and vamoosing it with CO2.

Atmospheric CO2 may be defined as the amount and quantity of carbon dioxide that is generally present in the atmosphere by the activity of burning fossil fuels, automobile emissions, etc.

It is true that large-scale agricultural activities purify the atmosphere by eliminating all poisonous gases like CO, SO2, etc. This activity is generally performed by the overproduction of carbon dioxide through agricultural plants.

Therefore, it is well described above.

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Worldwide, 19% of human water usage does industry account for. While the percentage of United States withdrawals total of 5% of water usage for industrial purposes.

A total of 49% of water is used in the United States for thermoelectric power.

Apart from this, Industrial and manufacturing businesses also utilize about 12 percent of the public water supply in the United States.

Therefore, it is well described above.

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When a person needs transfusion, the link on compatibility (option A) is most apt.

The genotype of an individual is the number of genes that the individual possess.

Using the Mendel crossing, we can see that if the parents are AB and AO one offspring will have type A blood.

If we look at the chart, we can see that the blood type A and B are both codominant and are dominant over O hence option K is correct.

When a person needs transfusion, the link on compatibility (option A) is most apt.

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Answer:

Explanation:

92

Answer:

D. theory.

Endosymbiosis is considered a theory.

Explanation:

Endosymbiosis explains the origin of chloroplast and mitochondria, and it also explains how the eukaryotic cells came to be.

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If not, I am sorry.

The same algae is subjected to conditions in which one is exposed to light and another is not exposed to light while the nutrients in the both systems are kept the same.

The growth of algae is the process by which the organism increases in size. Now we know that that the algae is photosynthetic hence light must be required for its growth.

In order to verify this, the same algae is subjected to conditions in which one is exposed to light and another is not exposed to light while the nutrients in the both systems are kept the same.

The results of this experiment must confirm that the algae exposed to light grows better than the algae that was not exposed to light.

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Explanation:

Both phospholipid molecules and embedded proteins are

able to diffuse rapidly and laterally in the membrane. The

fluidity of the plasma membrane is necessary for the

activities of certain enzymes and transport molecules

within the membrane .and also The plasma membrane, or the cell membrane, provides

protection for a cell. It also provides a fixed environment

inside the cell, and that membrane has several different

functions. One is to transport nutrients into the cell and

also to transport toxic substances out of the cell .

[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]

[tex]\qquad \tt \rightarrow \: b. Eukaryotic \:\: cells[/tex]

____________________________________

[tex] \large \tt Solution \: : [/tex]

Nucleus is only found in developed cells (eukaryotic cells), because they have well differentiated cell organelles and are mich developed.

where as, prokaryotic cells are primitive cells that have no distinguished organelles and many organelles aren't even present. they have genetic materials spread over in cytoplasm.

Hence, we can conclude that Nucleus can only be found in eukaryotic cells.

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Answer:

b. eukaryotic cells

(a) Magnetic induction occurs when a conductor placed in a magnetic field changes direction or moves across the line of flux of the magnetic field.

(b) A magnet can attract unmagnetized material when the field from the magnet aligns the magnetic dipoles of the unmagnetized material.

Magnetic induction or Electromagnetic induction is the production of an electromotive force across an electrical conductor in a changing magnetic field.

A magnet can attract unmagnetized material when the field from the magnet aligns the magnetic dipoles of the unmagnetized material so that they match those of the magnet itself.

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Answer:

Francesco Redi

Explanation:

Italian physicists disproved the theory of spontaneous generation by observing the relations between maggots and fly eggs on meat.

[tex]\huge\sf{ANSWER}[/tex]

Who is Louis Pasteur?

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Ribulose 1,5-biphosphate will be depleted while 3-phosphoglycerate will accumulate.

The first step of the carbon fixation during which Rubisco adds CO2 to Ribulose 1,5-biphosphate to produce 2 molecules of 3-phosphoglycerate requires energy molecules from the light reaction.

In the subsequent steps, Ribulose 1,5-biphosphate is regenerated in a step that requires energy molecules from the light reaction.

Thus, in the first few minutes of turning off the light, the available energy molecule from the light reaction will be used up to produce 3-phosphoglycerate. However, the regeneration of Ribulose 1,5-biphosphate will become impossible.

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Abiotic factors such as temperature, water quality, air quality, soil quality, and sunlight efficiency affect the rate of photosynthesis. Thus, the correct option is D, i.e. All of the above can affect photosynthesis.

Photosynthesis may be defined as a process through which green plants synthesized their own food (glucose) via carbon dioxide and water in the presence of sunlight.

The rate of photosynthesis primarily depends on the numerous abiotic factors which are present in a particular environment.

For example, Desert plants accomplish photosynthesis by the CAM pathway, which requires less water as compared to rainforest plants.

The maximum rate of photosynthesis occurs in the region of photosynthetically active radiation (PAR), which belongs to the wavelength of 400nm-700nm.

Therefore, it is well described above.

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Answer:

O2

Explanation:

diatomic molecules are chemically compounded

Ray-finned fishes possess the characteristics of chordates.

They are a group of fishes known as Actinopterygii in the Chordate phylum.

Thus, they possess the basic characteristics of chordates, such as:

This is in addition to basic features of fishes such as lateral lines, swim bladder, etc.

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Fossils can form when organisms travel over gravels and leave imprints.

Fossils are formed when a living organism i.e. plant or animal dies and quickly buried by sediment. When burred into the soil they leave their imprint on the surrounding environment.

So we can conclude that fossils can form when organisms travel over gravels and leave imprints.

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Answer:

I think the answer is choice D

The term that would best define the fish added to the pond is introduced species.

Adaptation to the conditions of the place in which it was inserted, the absence of predators and degradation are the main factors that lead an exotic species to become invasive, competing with native species for resources and causing a great impact on the community.

In this case, the introduced species are exotic species which has arrived there by human activity, may even be harmful to the entire ecosystem because they can break the delicate equilibrium of the ecosystem.

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Answer:

A family released their pet fish family into a local pond. The fish had no known local population. The impact of the fish on the ecosystem is not yet known.

Explanation:

introduced species

An empirical scientific question is one that focuses on things, creatures, or occurrences in our immediate environment. By examining quantifiable data and supporting evidence, it can be resolved by experimentation, observation, or other data collection methods.

These questions are appropriate scientific questions and can be tested using the scientific method:

a) The color of Handragea flowers can be studied by growing it in different soils with different pH values and the result can be noted.

b) The properties of soil affecting color of flowers can be studied by growing the flowers in different types of soils like clay, sand, nutrient rich, nutrient deficient, silt, etc.

e) If the grass requires fertilizer one set of grass can be grown without fertilizer while one set can be grown with fertilizer to check the query.

There are limitations to the scientific process. Only quantitative data from observable, quantifiable, and repeatable experiments can it provide objective answers to questions. It is unable to respond to introspective queries based on qualitative judgments or beliefs hence, other options will be incorrect.

Hence, The following questions are considered appropriate scientific questions that can be tested using the scientific method.

a. Does the pH of the soil affect the color of hydrangea flowers?

b. What properties of the soil influence the color of hydrangea flowers?

e. Does grass require fertilizer in order to grow?

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Answer:

The answer is how many seeds are in an apple

Explanation: