Help! What is the supply chain?

The actual size of the onion cells under microscope is 0.02 mm

Magnification = Image / Actual

Image= 20 mm

Actual= x mm

1000x = 20 mm/ x mm

Actual = 0.02mm

Magnification is the number of times a picture is magnified in comparison to the actual size of the thing. The overall magnification of a microscope is determined by the eyepieces and the objective lens. A biological microscope with 10x eyepieces and a 50x objective, for example, has a magnification of 500x. Hence, the actual size of the onion cells is 0.02 mm, when placed under a microscope with a 1000x magnification it image size now becomes 20 mm.

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Using the dialysis bags to study the osmosis in this lab to know whether or osmosis occurred is determined by measuring the pressure

A dialysis bag is a semipermeable membrane that is holds the  fluids typically which are removed by the kidneys. Your kidneys are the  responsible for removing the excess fluids, minerals, and the waste from the body. Dialysis tubing, is also known as the Visking tubing, is an artificial semi-permeable membrane tubing used in the separation techniques, that was facilitates by the flow of the tiny molecules in the solution based on the differential diffusion. the Dialysis tubing is the semi-permeable membrane, and usually made of the cellulose acetate.

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As the earth moves in its orbit from position D to position B, here we see that the Southern Hemisphere receive much more light than the Northern Hemisphere which in effect means that the Southern Hemisphere has more hours of sunlight per day.

Insolation is the amount of solar radiation that is received by a planet.

From the diagram we have, it show the earth and sun in different positions during the different times of the day and the position of the earth each year.

The diagram has each position representing one season. The northern hemisphere will receive the most sunlight when the earth is tiled more towards the north such as the diagram on the left-hand side will get maximum insolation due it the vertical rays of the sun.

Because of the fact that we have 12 hours of the day and 12 hours of night time. Hence the earth rotating on it axis will have sunlight for most hours per day.

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If actively dividing eukaryotic cells were treated with a chemical that blocks the activity of the enzyme telomerase, then these cells would lose DNA at the ends of the chromosomes over many generations.

Telomerase are enzymes that play a major role in maintaining the proper chromosomal length of chromosomes. They help in the formation of telomers which are repetitive sequences found at the end of each chromosome. This unique repetitive sequence helps in keeping the chromosomes intact.

If the activity of telomerase will be blocked, telomers will not be able to form. Due to this, sections of DNA will be continuously lost from the chromosomes as there will be no telomers at the end. As more and more DNA will be lost, the integrity of the chromosomes will not be maintained.

Without telomerase, the ends of the DNA will also not be able to replicate. Hence, causing DNA to be lost over many generations.

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Answer:

cells are the basic building block of all living things

Explanation:they provide structure, protection, support for the body by taking nutrients from food, convert those nutrients into energy.

it facilitates growth by mitosis

Cells carry out three basic functions to grow and pass on life. Cells divide by the process of meiosis and to carry out these functions they require minerals and energy in the form of ATP.

The basic functions of cells is to provide the structure for the body, taking in of the nutrients from the food we eat, conversion of the nutrients into energy, and carrying out the specialized functions.

Cells carry out many different basic functions which are needed to sustain life. Cells grow and divide, to produce many more cells which performs the exact functions. This requires the uptake of nutrients which are used up by the cells to provide energy for the work that cells perform and to make the materials which a cell or an organism needs to function properly.

Cells divide by the process of mitosis and meiosis. Mitosis is the equational division which occurs in all types of cells whereas meiosis occurs in the germ cells only.

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Answer: 2 , 2, 6,2,+2,-2

Explanation: type it exactly the way you see its in order

Answer:

The first cells were most likely primitive prokaryotic-like cells, even more simplistic than these E. coli bacteria. The first cells were probably no more than organic compounds, such as a simplistic RNA, surrounded by a membrane That’s what I think

Explanation:

Answer:

The initial cells were almost certainly rudimentary prokaryotic-like cells, even simpler than E. coli bacterium. The initial cells were most likely little more than organic substances wrapped by a membrane, such as a simple RNA. That's what I believe.hope this help

Explanation:

The process that is being used by the cell to move the molecules is facilitated diffusion.

Facilitated diffusion is a type of passive transport in which a molecule passes through the biological membrane by means of proteins that are in the cell membrane. This transport will be in favor of the concentration gradient, so there will be no need to spend energy to make it go against the gradient.

It is said that it is a facilitated diffusion since there will be a channel that allows this passage, since it will not be able to pass through the membrane, either because of the electric charge of the molecule or because of its size.

Therefore, we can confirm that the process that is being used by the cell to move the molecules is facilitated diffusion.

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Answer:

Nature selects for the best fit individual for a given environment. Individuals that do not fit will slowly die off and become extinct.

Explanation:

If a given environment has better fitness for white rabbits than black rabbits, then the population of black rabbits will slowly dwindle to almost nothing. Why? B/c in this given scenario white rabbits are better bit so they survive more and their offspring survive more. Black rabbits are not fit so they will die and if they have a chance to give birth to offspring, the offspring are not fit for their environment so they will die. Eventually, there might not be any black rabbits to further the population. Here the natural selected for the white trait.

This is how natural selection can cause extinction. Those that are able to adapt or are better fit in an environment will survive and give birth to the next generation. Those that can't adapt or are not fit, will die off.

Cells deal with mutations by minimising the incidence of mutation through the DNA-repair enzymes.

Mutation is defined as the changes or the alterations that occur during replication of DNA (deoxyribonucleic acid) leading to production of a faulty DNA sequence in cells of living organisms.

Examples of mutation include the following:

When mutation occurs in the cells of a living organism, another process is being enhanced to limit the on going mutation in the cells.

One of the process is the production of DNA-repair enzymes which acts by minimising the number of mutations that occurs.

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There is little sunlight at high latitudes during the winter, so few crops can grow even if temperatures are regulated. To address this problem, special lamps can be used in greenhouses. These lamps allow plants to grow during the winter months. The scientific knowledge of the topic 'the colors of light that plants require for photosynthesis' was necessary to solve this problem.

The plants only use a specific wavelength or color of light from the sunlight, whereas the rest of the light is reflected back and is not used. The specific wavelengths that are required by green plants for photosynthesis are present in violet and red light.

However, red light does not have energy hence it is the violet light that is most actively involved in the process of photosynthesis.

In the scenario above, although moderate temperatures were provided to plants at high altitudes, they couldn't get enough wavelengths from sunlight that were required for photosynthesis. The usage of specific lamps allowed them to filter colors and use the ones that were needed for photosynthesis.

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Storing DNA in the form of linear chromosomes creates problems for replication of dna at the ends of the chromosomes because DNA polymerase can only synthesize DNA in the 5' to 3' direction and it's difficult to reach the ends of the linear strands.

The replication mechanism for DNA has a physical size. As a result, towards the ending of a linear chromosome's DNA chain, there simply isn't enough physical room for the replication complex to remain connected to the remaining DNA and finish the replication of the last few base pairs.

It is challenging to replicate linear DNA molecules because it is difficult for the enzymes involved in replication to reach the very end of the linear strands. As a result, a small number of nucleotides are lost from the ends of each chromosome with each replication, leading to a gradual shortening of the chromosomes over time. Eukaryotic cells overcome this difficulty with an enzyme called telomerase, which establishes repeating DNA sequences called telomeres at the ends of chromosomes.

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Answer:

Correct answer is heredity

The characteristic of life that the behavior of the Canadian goose that flies south for the winter to avoid the extreme cold illustrates is response.

The characteristics of life are those characteristics or attributes that living things possess.

The characteristics of living things include the following:

Response is the ability of an organism to respond to changes in its internal or external environment.

Therefore, the movement of the Canadian goose to the south for the winter to avoid extreme cold is an example of response.

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Answer: cells are non-living units that make up organism

It is FALSE that the world is on track to reach sustainable goal 6 on clear water.

The Sustainable Development Goals, also known as the Global Goals, are a set of 17 interconnected global goals intended to serve as a "common blueprint for peace and prosperity for people and the planet, now and in the future." The United Nations General Assembly established the SDGs in 2015, with the goal of achieving them by 2030.

"Clean water and sanitation for everyone" is the sixth Sustainable Development Goal. It is one of the 17 Sustainable Development Goals created by the United Nations General Assembly in 2015; the official phrase is "Ensure the accessibility and sustainable management of water and sanitation for everyone."

According to a recent UN analysis, the world is not on track to meet Sustainable Development Goal 6 (SDG 6) on Water and Sanitation by the 2030 deadline.

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The information in dna leads to the production are type of RNA that contains the information for making a protein is called messenger RNA because it carries the information, or message, from the DNA out of the nucleus into the cytoplasm.

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Answer:D

Explanation:

Answer:

This is very true

Explanation:

Answer:

This is very true

Explanation:

A lipid does not polymerize because it consists of fatty acids and glycerol.

Lipids are the type of compound that are formed from the combination of glycerol (propane- 1,2,3- triol) and three fatty acids. This implies that the term lipid is a sort of an ester. The base is the glycerol which is a trihydric alkanol and is capable of combining with three molecules of fatty acids.

We can see that what we have in lipids is in fact not a polymer but just a chemical reaction that coupled the three hydroxyl groups of glycerol to the same or different fatty acids.

As such, the lipid molecule does not polymerize as you can see from the image that is attached to this answer.

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Answer:

A reactant is a substance that is present at the start of a chemical reaction .

i will go for A

Answer:

C

Explanation:

Public-Private Partnerships (PPP) is used to describe public/private partnerships, such as the Liverpool direct call center, that brings together private sector systems and technology expertise with public sector services and values.

The public-private partnership can be described as a partnership that a government makes with a specific private organization in order to benefit the public.

A public-private partnership helps the government in finding a specialized private company that will work best for a certain public issue such as technology, transportation betterment, or social service. The government then collaborates with the private organization so that better outcomes for the public are provided.

The Liverpool direct call center is an example of a public-private partnership in which expert technological services are provided by the private sector so that services of the public sector can be enhanced.

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Answer:

phospholipid bilayer

Explanation:

phospholipid bilayer

ATP-PC metabolic system is most responsible for providing energy for explosive power moves that are short, such as a single tuck jump or single burpee.

The muscle molecule creatine phosphate (CP), which is stored there, is used by the ATP-PC system to resynthesize ATP. This molecule's disintegration releases the energy required for the ADP & free phosphate to recombine and create ATP.

Examples - The Alactacid Energy System (ATP/PC) is the dominating system in activities like a 100-meter sprint, discus, javelin, high jump, and other sports with extremely brief durations because of the speed at which ATP is produced and the short duration of the fuel supply.

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Answer: the correct answer is D the rocks an extrusive igneous rock that cooled quickly

Explanation:

The high blood pressure of lungs, PPH, or primary pulmonary hypertension, is a condition that can be fatal. Nonparenteral prostanoids, such as oral beraprost sodium or aerosolized iloprost, exhibit positive therapeutic results but are insufficiently active in all patients suffering from this fatal condition.

The goal of this trial was to examine the safety and efficacy of endothelin-receptor antagonist bosentan in individuals with PPH who were previously receiving nonparenteral prostanoids.

Finally, the current investigation has produced three original results. First, the findings of the 6-minute walk test significantly improved     when the endothelin- receptor antagonist bosentan was added to the treatment of a subset of patients with primary pulmonary hypertension who were already receiving beraprost or inhaled iloprost. The addition of bosentan resulted in appreciable improvements in peak systolic blood pressure, anaerobic threshold, oxygen pulse, ventilatory efficacy, and maximal oxygen consumption during exercise, according to cardiopulmonary exercise tests. Thirdly, the use of nonparenteral prostanoids in combination with bosentan was safe, at least during the relatively brief observation period.

These results present a unique therapeutic approach for individuals with primary pulmonary hypertension for whom nonparenteral prostanoids alone are insufficiently efficabious, and they should stimulate rigorous research to evaluate if combination therapy with prostanoids and bosentan is effective

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The false media report and scientist conspiracy make the people believe that global warming is not real.

For this reasons the people do not believe that global warming is real.

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