Hi I need help with this question please and thank u

The cells that make up skeletal muscular tissue are somewhat unique for having cell walls instead of cell membranes and is denoted as option A.

This is mostly found in the outer region of the cell membrane and is a rigid, semi-permeable protective layer which consists of lipids, cellulose and polysaccharides needed for its functions.

The cell wall is mostly found in plants but at the same time they are present in some cells of the body such as that of the skeletal muscular tissue due to the rigorous activities being performed by them.

This helps to maintain the structural integrity of the cells and ensures that movement is easily done which is the reason why they are present instead of cell membranes hence option A is correct.

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Student B was able to identify the organism to the level of order.

Contemporary-day scientists base their classifications specially on molecular similarities. They group collectively organisms that have comparable proteins and DNA. Molecular similarities show that organisms are related. In other words, they're descendants of a common ancestor in the beyond.

Aristotle come to be the primary scientist who attempted to categorise organisms. He subdivided flowers into 3 agencies: shrubs, herbs and wooden. He subdivided animals into their habitat: air, water and land.

inside the 18th century, Carl Linnaeus posted a machine for classifying dwelling subjects, which has been superior into the modern-day category system.

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Make certain that your technique and measurement approach are high first-class and focused to measure exactly what you need to know.

Validity must be taken into consideration inside the very earliest levels of your research, while you decide how you'll gather your facts. Ensure that your method and dimension method are high great and targeted to degree exactly what you want to recognize. They ought to be thoroughly researched and based on present knowledge.

Legitimate information refers to statistics this is effectively formatted and stored. Dependable information, however, refers to statistics that may be a depended on foundation for evaluation and selection-making. legitimate facts is an important component of dependable information, but validity by myself does now not assure reliability.

The data ought to be the right type. As an example, users ought to enter quite a number in a total buy devices discipline. The information have to be constrained to viable values. as an instance, customers can most effective pick out a valid mortgage type by means of selecting the type from a list of options.

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The group 2 Elements The Alkaline Earth Metals and the group 14 carbon.

Once you have the atomic number of an element you can find its period number and group number. The periodic number refers to the number of shells an electron in an element occupies, while the periodic number refers to its valence electrons. Group 14 is the carbon family. The five members are carbon silicon germanium tin and lead.

All of these elements have four electrons at their limited energy levels. Of the group 14 elements, only carbon, and silicon form bonds as electron-sharing non-metals. The carbon family is also called carbon group 14 or group IV. This family was called petrel or tetragon because the elements belonged to group IV or as a reference to the four valence electrons of the atoms of these elements. This family is also called crystallins.

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Answer:

would this help The six largest Hawaiian Islands—the Big Island, Maui, Lanai, Molokai, Oahu, and Kauai—form a chain of islands running to the northwest? The islands appear in this pattern for a specific reason: They were formed one after the other as a tectonic plate, the Pacific Plate, slid over a plume of magma—molten rock—puncturing Earth’s crust. These magma plumes aren’t small—they can extend hundreds of kilometers below the Earth’s surface.

The cross of the father who is homozygous for colorblindness and the mother who is heterozygous for colorblindness (carrier) are the following offspring:

50% CC - homozygous for colorblindness and 50% heterozygous for colorblindness (carrier).

Answer - The chances of having a child with colorblindness is 1/2.

Answer: about 1,500 miles

Explanation: i had this on plato

Considering a food web flow chart, one element critical to building proteins as well as nucleic acids is nitrogen.

It gets into the mix of biomolecule elements by means of the nitrogen cycle.

Biomolecules are large organic molecules found in living organisms. These biomolecules are essential for the fi=unctioning of living organisms.

There are four major biomolecules that are essential for life, they are:

One element critical in the formation of both proteins and nucleic acids is nitrogen. Nitrogen is present in all amino acids as the amino groups as well as in the side chain of some amino acids.

Nitrogen is also an important element in the structure of the nitrogenous bases of nucleic acids.

By means of the nitrogen cycle, nitrogen is incorporated into biomolecules.

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It is expected that the algal bloom in the Loch Raven Reservoir would change by decreasing the amount of available biomass.

The direct consequence of an algal bloom is an increase in the amount of available oxygen in the aquatic system and a drastic reduction in the light that enters into this ecosystem, which reduces the amount of biomass because plants are unable to produce photosynthesis.

Therefore, we can conclude that the consequence of an algal bloom is a decrease in the biomass that supports the trophic chain in this aquatic ecosystem.

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The answer is [tex]10^{12}[/tex].

Given,

10^4x 10^8

Solution:

10^4x 10^8 = [tex]10^{4+8}[/tex]

                  = [tex]10^{12}[/tex]

(Since the base value is the same, the powers are added).

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Many white blood cells can't divide and they have the ability to reproduce on their own.

White blood cells are not similar to other types of cells that are present in our body. They act like single-cell organisms which can move on their own and can feed on other cells and bacteria. Many types of white blood cells can't reproduce on their own so they are produced in the bone marrow. In a person that has normal bone marrow, the number of white blood cells can double within hours. It is a type of blood cell that is produced in the bone marrow and found in the blood lymph tissue. White blood cells are part of the immune system of our body. White Blood Cell protects Red Blood Cell, as it tries to protect the red blood cells from pathogens.

So we can conclude that the cells which can move freely and feed on pathogens and bacteria that can harm our body are known as white blood cells.

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Writing a hypothesis that must be true can describe a step in designing experimental procedures.

A hypothesis outlines your expectations for the results of your investigation. It is a speculative, untested response to your research question. You might need to develop a number of hypotheses for some research projects that speak to various facets of your research issue.

Simple hypothesis, complicated theory, direction-based theory are types of a hypothesis.

As previously said, a hypothesis serves as a response to the research question and directs the gathering and analysis of data. Researchers can use hypotheses to both identify relationships between variables and forecast relationships based on theoretical principles and/or empirical data.

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Answer:i would say that it is c It will differ due to an imbalance in the number of producers and consumers.

Answer:

a glycerol molecule between two fatty acid chains

Explanation:

hope it helped

Answer:

C- A chemical reaction releases thermal energy.

The process of creating new creatures through the union of the genetic material from two individuals of different sexes is known as sexual reproduction.

The majority of creatures have chromosomes, which contain the genetic material, in the nuclei of their reproductive cells, known as gametes, which mate to produce a diploid zygote. The fusion of a haploid female gamete (egg cell) with a haploid male gamete is the process of sexual reproduction.

These gametes combine during fertilization, creating a diploid zygote as a consequence. A unique organism that is genetically separate from its parent species emerges from the zygote. Contrast this with asexual reproduction, in which an organism reproduces without the use of gametes and the progeny are identical clones of the parent.

However, sexual reproduction outperforms asexual reproduction in terms of boosting genetic diversity and enlarging the gene pool. Additionally, it guarantees that a species' chromosomal count will not change over successive generations. The two main methods of sexual reproduction are conjugation and syngamy.

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Earth's ecosystem can be divided into 4 spheres, which are the atmosphere, the biosphere, the hydrosphere, and the geosphere. These spheres interact with each other and a change in one of them may cause a change in the other three spheres.

Within the ecosystem, the substances, such as water, carbon, oxygen, and nitrogen, undergo biochemical cycles. Through this cycle, the substances revolve through all spheres and are distributed throughout the whole ecosystem.

The statement is therefore TRUE.

Approximately one-half of the cancer cases could be prevented with a nutritious diet and regular physical activity and is therefore denoted as option D.

This is referred to as a medical condition in which the cells of the body divide in an uncontrolled manner and then spreads to other parts of the body and is treated using chemotherapy and other techniques.

Cancer according to WHO can be prevented when adopting a nutritious diet and regular physical activity is practiced by individuals as it helps us to keep fit and healthy.

The  American Cancer Society reports that approximately 50 percent which is equal to one-half of cancer cases could be prevented by living such healthy lifestyle which therefore makes option D the most appropriate  choice.

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Answer: The timeline required is as follows:

c. Imperialism

b. Major events in the Industrial Revolution

d. Major events of the Civil War

e. Transcontinental Railroad.

a. Automobile and Henry Ford (development from the bicycle)

Explanation: In the timeline given above here are short explanations of the events.

c. Imperialism

When one nation takes over another political and economic gains.

b. Major events in the Industrial Revolution

The founding of cotton mills and the coming up of industrial towns.

d. Major events of the Civil War

These were the battles between the north and south.

e. Transcontinental Railroad.

It was completed right after the end of the civil war. It connected the nation with the railway track.

a. Automobile and Henry Ford (development from the bicycle)

The automobile was a 20th-century invention that brought modernity. It was the beginning of modern assembly line production in the US.

The competition drive natural selection this causes the individuals best suited for competition to survive while the other die off. Thus, option C is correct.

Genetic variation allows for differences between individuals due to differences in the inherited DNA. Genetic variation has been defined as difference in the DNA within individuals or populations.

Genetic variation has the presence of the variation in the gene sequences between the individual organisms of a species. Skin color, hair color, bloody type, dimples all are the examples of genetic variations that seems in a human population.

Therefore, The competition drive natural selection this causes the individuals best suited for competition to survive while the other die off. Thus, option C is correct.

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All kinds of research shows that angler harvest, flood events, and drought can cause smallmouth to decline, with the drought thus causing the most harm.

With their hunting, fishing, and introduction of predators to new areas, humans play significant roles in trophic cascades. Increased grazing pressure brought on by human activity affects the plant community and modifies biogeochemical cycle.

The majority of consumers are people. Energy production, agriculture, pollution, habitat degradation, overfishing, and hunting all have an impact on food webs.

In a predator-prey cycle, an ecosystem’s predator and prey populations fluctuate over time. Shortly after the number of preys rises, the number of predators follows suit.

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Agarose from seaweed is the main component of the gel.

The correct option is B.

The use of seaweed as a component in food is becoming more widespread. The best nutritional source of iron, which supports the thyroid gland, is in this food. It also contains antioxidants that shield your cells from oxidative stress, along with additional minerals and vitamins like vitamin K, B vitamins, zinc, and iron.

Iodine, which supports healthy thyroid function, can be found in red seaweeds. Additionally, they contain heme copper (a form of iron that can actually prevent iron-deficiency anemia). If you live a vegans, vegetarian, or other plant-based lifestyle, these incredible nutritional advantages will be extremely beneficial to you.

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In regards to Investigating Energy Systems, the Possible subclaim is  Option C: The Solar Cell System does have energy.

The Evidence: The PV cells on a solar panel capture the energy from the sun's rays as it shines on the panel. This matters because produces electrical charges that are propelled by a moving internal electrical field in the cell, which results in the flow of electricity.

Therefore,  Solar Cell System is one that possess some amount of energy.

Any device that directly converts the energy of light into electrical energy through the photovoltaic effect is referred to as a solar cell, sometimes known as a photovoltaic cell.

Photovoltaics (PV), commonly referred to as solar electricity panels, absorb solar energy and turn it into usable electricity for your home.

Therefore, Since Nuclear fusion occurs in the sun and produces solar energy. A PP (proton-proton) chain reaction is what causes this process to produce such a large amount of energy.

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Answer:

3

Explanation:

lower air lesser the temp

Answer:

The most extreme spinal twine injury influences the structures that alter bowel or bladder control, breathing, coronary heart fee and blood pressure. Most human beings with spinal twine injury journey continual pain.

The following statements best explains why the lower mantle of Earth is much more rigid and dense than the upper mantle is because the lower mantle is older than the upper mantle and is denoted as option A.

This is the region which is found in the interior of the earth and it is bounded below by a core and above by a crust. It consists of bulk of solid substances and the density varies.

The lower mantle has a higher density as a result of it being older and more substances accumulating to make it more rigid therefor masking option A the correct choice.

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