calculate what is the surface area to -valume ratio of a cube whose sides are 3cm long?

Answer: Nerve

Explanation:

How Does Food Complexity Affect the Biodiversity of an Ecosystem? -More consistency among populations, but still changing through time. As food web complexity increases, there is less stability in the population of the different species, causing as a result, biodiversity fluctuations in a more rapid and frequent way.

The complexity of a food web is directly proportional to the biodiversity of an ecosystem. More complex food webs with multiple levels of consumers and producers can support a higher number of species. In contrast, simpler food webs might not enable such high biodiversity.

The complexity of a food web greatly affects the biodiversity within an ecosystem. A complex food web with multiple levels of consumers and producers can support a higher number of species as there are more niches, or roles, available. This can result in greater diversity and stability. For example, in a complex aquatic ecosystem, there might be multiple types of algae (the producers), various small invertebrates that eat the algae, fish that eat the invertebrates, and birds that eat the fish. Each level of the food web supports the others and allows for a diverse array of species to coexist. In contrast, a simple food web with few producers and consumers might not be able to support such a high level of biodiversity.

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Among the given options, the 'duration of protein' does not contribute to a protein's structural organization. Factors like temperature, pH, and amino acid sequence do play a significant role. They directly impact how a protein's structure forms and changes, which in turn influences a protein's function.

The level of organization within a protein is influenced by several factors, including temperature, pH, and amino acid sequence. However, the 'duration of protein' does not contribute to a protein's structural organization. Proteins are organized in four levels: primary (unique sequence of amino acids), secondary (local folding into structures like a-helix and B-pleated sheet), tertiary (overall three-dimensional structure), and sometimes quaternary (when multiple polypeptides combine).

Changes in temperature or pH can cause changes in the protein's shape or denaturation, leading to loss in function. In contrast, the amino acid sequence is crucial in determining the protein's basic structure.

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Temperature, pH, and amino acid sequence significantly influence the structure and function of a protein. However, the 'duration of protein' doesn't affect the level of organization within a protein. Proteins do not possess an inherent lifespan that impacts their function or structure. Therefore, the correct answer is option 4-Duration of protein.

The level of organization within a protein is largely influenced by factors such as temperature, pH, and amino acid sequence. These influence the protein's primary structure (the unique sequence of amino acids), secondary structure (local folding of the polypeptide), tertiary structure (the overall three-dimensional structure), and optional quaternary structure (when two or more polypeptides combine to form the complete protein structure).

However, the duration of the protein would not contribute to the level of organization within a protein. Proteins do not have an intrinsic 'lifetime' or duration that influences their structure or function. If the structure of a protein is altered, this may lead to a loss in function, a process known as denaturation.

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Yes, all birds have feathers. About 9,700 kinds of birds live on earth. All birds have feathers and wings but not all birds can fly. Birds have as many as 25,000 feathers and they shed their feathers at least once a year.

Carbon dioxide is the answer. happy to help.

Answer:

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Explanation:

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Answer:

D

Explanation:

Answer:

Reproductive isolation

Explanation:

The definition of speciation is "the formation of new and distinct species in the course of evolution." Because a new a distinct species is formed, even if not physically isolated, they can not interbreed because two species can not reproduce with each other. Therefore, the answer is Reproductive isolation, because speciation will still occur even without physical isolation.

In order for speciation to occur organisms can no longer interbreed This is known as Reproductive isolation.

The inability of a species to breed successfully with related species due to geographical, behavioral, physiological, or genetic barriers or differences.

An example of reproductive isolation is in changes of bird song from different species of finch of the Galapagos island.

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Answer:

In order to be useful in treating human infections, antibiotics must selectively target bacteria for eradication and not the cells of its human host. Indeed, modern antibiotics act either on processes that are unique to bacteria--such as the synthesis of cell walls or folic acid--or on bacterium-specific targets within processes that are common to both bacterium and human cells, including protein or DNA replication. Following are some examples.

Most bacteria produce a cell wall that is composed partly of a macromolecule called peptidoglycan, itself made up of amino sugars and short peptides. Human cells do not make or need peptidoglycan. Penicillin, one of the first antibiotics to be used widely, prevents the final cross-linking step, or transpeptidation, in assembly of this macromolecule. The result is a very fragile cell wall that bursts, killing the bacterium. No harm comes to the human host because penicillin does not inhibit any biochemical process that goes on within us.

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Explanation:

Answer:

It compromises bacterial cell walls by inhibiting formation of peptidoglycan, a chemical not found in eukaryotic cells

Explanation:

All antibacterial agents are unable to harm the eukaryotic cells because of various reasons.  Some antibacterial agents are unable to stop protein synthesis while some interacts with the enzymes required for development of cell wall in bacteria etc.

Fluoroquinolone are artificial broad spectrum antibiotic drugs that act as natural antimicrobials  and prevent prokaryotic cell like bacteria from dividing by prohibiting DNA unwinding and duplicating and also inhibits the formation of cell wall by formation of peptidoglycan

Answer:

C. Poorly functioning immune system

Explanation:

Being underweight would basically mean that you aren't receiving enough nutrition for your body, causing your immune system to weaken from it.

Answer:

dehydration synthesis

Explanation:

Answer: hydrolysis

Explanation: Monomers are assembled into polymers through a process called dehydration synthesis. Polymers are broken down into monomers through a process called hydrolysis (hydro = water, lyse = to break). ... Polymers are large molecules made up of smaller molecules, referred to as monomers.

Answer:

This statement would be true. All of these are made of and include many cells.

Answer:

True

Explanation:

Cells are the basic building blocks of life. They make up all life forms.

I am joyous to assist you anytime.

Obsidian is formed when rapidly cooling ions are randomly distributed creating a a. glassy texture.

Obsidian is a type of mineraloid, which is formed when liquid content of the volcanic material cools so quickly that particle lacks ability to transform into a crystalline structure. The outcome is a volcanic glass with a smooth uniform surface that breaks with a conchoidal crack.  

As a “glass”, obsidian is artificially shaky. With the progression of time, some obsidian starts to solidify. This procedure doesn't occur at a uniform rate all through the stone. Rather it starts at different areas inside the stone. In these areas, the crystallization procedure structures spiral groups of white or dim cristobalite gems inside the obsidian. Whenever cut and cleaned, these examples are alluded to as “snowflake obsidian”.

D. The height increases

Beach is the place in which we can enjoy the waves. It is a surprising phenomenon which all loves to watch. As the waves arises in the sea, the wavelength of the waves keep on decreasing from the mid of the sea till the shore. Due to this, the crest of the wave which emerged from the center of the sea has high distance when compared to the wave which has neared the shore.  

As the waves moves towards the shore from the mid of the sea, the height of the wave increase and it hits the shore and moves back.  

the height increases

just had the question

Hello!

your answer is A.  How much energy is used to make one paper bag?

the word "should" is a giveaway of B, C, and D being questions for personal opinions. everyone has different views on what SHOULD be, so if you asked 100 people, chances are you'd get many different answers.

A can only have one possible answer.

(I don't know the answer to how much energy is used to make one paper bag so let's just leave it at that, shall we?)

I hope this helps, and have a nice day!

Answer:

gumlike material from cone bearing trees

Amber is the fossilized sap of coniferous trees that sometimes contains inclusions like insects and is used for aesthetic and purported therapeutic purposes. It is a gumlike material, not related to the tree's bark or needles, and has gained cultural recognition through media like Jurassic Park.

Amber is the fossilized sap of coniferous trees, specifically from the group known as gymnosperms. Over millions of years, this sap hardens and is preserved in the geological record as amber, often containing inclusions such as air bubbles or insects that became trapped when the sap was still sticky. This biological process is distinct from the materials that make up the needles, bark, or cones of the tree, which do not typically fossilize into amber. Hence, amber is a gumlike material from cone-bearing trees. It is valued both for its scientific significance and its aesthetic appeal when polished for jewelry. Additionally, some believe amber has therapeutic properties, such as providing pain relief, though this is not scientifically substantiated. While amber is prominently known due to its fictional portrayal in the Jurassic Park film series, the reality of extracting dinosaur DNA from amber-encased insects remains purely science fiction.

Answer:

GRAPH d

Explanation:

The main impact of raw sewage will be an increase in nutrient concentrations. This will spur growth of algae and also increase the populations of the two primary algae grazers

Dumping raw sewage into a nearshore coral reef will cause immediate and severe damage to the ecosystem, resulting in a decline in biodiversity, health of the coral polyps, species diversity, and an overall reduction in reef size. This can also negatively impact local fisheries and tourism, and threaten the local economy.

The dumping of raw sewage into a nearshore coral reef is expected to have a dramatic and immediate negative impact. Similar to the outcome of dredging certain beaches, this action can cause significant disruption to the biodiversity of the reef, damaging or killing off marine life and especially affecting the sensitive corals themselves. Coral reefs, known to be home to approximately 25% of all marine species, are incredibly sensitive to changes in their environment, such as an increase in pollution levels from sewage or a rise in ocean acidification as a result of increased carbon dioxide concentrations.

Therefore, a graph showing the expected immediate impact of this change would likely depict a sharp decline in the health and biodiversity of the reef ecosystem. This could include metrics like a decrease in the number of healthy coral polyps, a decline in species diversity, or a reduction in overall reef size.

Damage to such ecosystems also has indirect impacts, such as a decrease in local fisheries, a decline in the health of marine life species that rely on the reef for their habitat, and a negative effect on tourism. These changes can, in turn, threaten parts of the local economy that depends on these resources.

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Answer:

Explanation:

you could do Water's Attraction to Other Polar Molecules.

Cohesion, otherwise known as water's attraction to other water molecules, is one of the big properties of water. Water's polarity lends it to be attracted to other water molecules. The hydrogen bonds in water hold other water molecules together. Due to water's cohesiveness:

Liquid water has surface tension. This allows for insects, such as Water Striders, to walk on water.

Water is a liquid at moderate temperatures, and not a gas.

Using an eye dropper and a coin, you can slowly keep adding water to the coin and you will see cohesion.

The water molecules will stick together and form a dome over the coin. Keep adding drops until the drop breaks and spills off of the coin. This is caused by gravity overcoming the force of cohesion.

Objective: Investigate how the property of cohesion in water affects the movement of water in plants.

Hypothesis: If the property of cohesion in water is strong, then water movement in plants will be efficient.

Variables:

Independent Variable: Presence of cohesive water.

Dependent Variable: Water movement in plants.

Controlled Variables: Plant type, light, temperature, soil type, water amount.

Materials:

Celery stalks with leaves

Food coloring

Water

Clear containers

Procedure:

Fill containers with water and add different food coloring to each.

Place celery stalks in containers, ensuring the cut end is submerged.

Observe and record changes in water level and color in the celery over 24 hours.

Data and Observations: Present data on water levels, color changes, and plant appearance in a table and graph.

Conclusion:

Hypothesis confirmed: Cohesion in water allows efficient movement in plants. Water visibly traveled up celery stems due to cohesion and adhesion forces.

Reflection:

Hypothesis confirmed due to observable water movement. Changes: Use various plant types, liquids, or temperature ranges for broader insights.

Real-world Applications:

Cohesion aids water transport in trees, enabling nutrients to move from roots to leaves, supporting photosynthesis, growth, and overall plant health.

Safety Notes:

Handle food coloring carefully to avoid staining. Use caution when cutting celery stalks to prevent injuries.

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Answer:

Flagella and cilia

Explanation:

Two of the organelles that are involved in the movement of a cell in its environment are the flagella and the cilia. Flagella can be described as a long structure shaping whip like which helps in the movement of single celled organisms. Like its structure, the cause the movement of the organism to be whip like. An "S" type motion is observed through the flagella present in the eukaryotes. Cilia is an organelle that can either be motile or non motile. Motile cilia take advantage of their cytoskeleton for movement.

Final answer:

Cilia and flagella are the organelles involved in cell movement, possessing a 9+2 microtubule structure and motor proteins dynein and kinesin for motion.

Explanation:

The two organelles involved in the movement of a cell in its environment are cilia and flagella. Both these structures are critical for cell motility and are found in eukaryotic cells. They have a structural basis called the axoneme, consisting of 9 microtubule doublets arranged in a circle around a pair of single microtubules (2X9+2 structure), and utilize motor proteins, dynein and kinesin, for their movement.

Cilia are relatively short and often cover the cell surface where they work synchronously to move the cell or to move fluid and particles across the cell surface. Flagella are usually much longer and propel the cell with a whiplike motion. In both cases, the sliding of microtubules against each other, driven by the motor proteins, results in either rowing or undulating movements that allow the cell to navigate its environment.

Answer: intertidal zone

Explanation:

Intertidal zone is the transitional zone between the land and water body. This zone is susceptible to the low and high tides due to the effect of gravity, wind currents, temperature changes and due to water level. The intertidal zone is a shallow zone. The animals are adapted to survive in such unstable conditions.  

Answer:

intertidal zone

Explanation:

Just took test on edg.

Answer:

c. codominant with the allele for the white flower color

Explanation:

i meant this one sorry

Based on typical patterns in plant genetics, the allele for purple flower color in the plant shown would likely be dominant over the allele for the white flower color. This is supported by Mendel's law of dominance and demonstrated through the Punnett square approach.

In relation to your question about the plant shown and the color of its flowers, the allele for purple flower color is likely dominant to the allele for the white flower color. To clarify, this is supported by Mendel's law of dominance, which indicates that in a heterozygote (a plant with one dominant and one recessive allele, like Vv), the dominant trait will be the one expressed.

Hence, as per the information from numerous studies, purple is often the dominant trait over white in flower color for many plant species, including peas.

Apart from that, from the Punnett square approach, when a homozygous dominant plant (VV) is crossed with a homozygous recessive (vv), all offspring in the first generation (F1) will be heterozygous (Vv) and will show the dominant trait, which in this case is the purple color.

In conclusion, based on this established genetic principle, if the plant you are referring to exhibits this common genetic pattern, then the allele for purple flower color would be dominant to the white flower color.

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During respiration in plants and animals, carbon dioxide is returned to the environment.

Carbon dioxide is a dull gas with a thickness of about 60% which is higher than that of dry air. Carbon dioxide comprises of a carbon particle covalently twofold attached to two oxygen molecules. It is seen in atmosphere in traces.

When organism such as plant, animals, algae and other microorganism respires, it leads to return of carbon dioxide to the environment as it is the major compound formed due to the metabolic activity in them. Apart from this burning of fossil fuels and deforestation also act as cause of returning of carbon dioxide to the environment.

Answer:

Nervous

Explanation:

It is the study of the nervous system's function.

Answer:nervous

Explanation:

The ammonia has a higher molecular weight

Answer:

Ammonia as it has lower Molecular mass.

Answer:wuit

Explanation:

The graph shows the relationship between enzyme-catalyzed reaction rate and substrate concentration. Initially, as substrate concentration increases, reaction rate also increases. Eventually, the reaction rate plateaus as all enzymes become saturated with substrate.

The graph represents the relationship between the rate of an enzyme-catalyzed reaction and the substrate concentration. Initially, as the substrate concentration increases, the rate of reaction also increases. However, at a certain point, the rate of reaction plateaus and becomes constant.

This graph is related to enzymes because enzymes are catalysts that increase the rate of chemical reactions. The graph shows how the rate of an enzyme-catalyzed reaction is affected by the concentration of the substrate. Initially, more substrate means more enzyme-substrate complexes and a faster reaction rate. But beyond a certain substrate concentration, all the enzymes are saturated with substrate, so adding more substrate doesn't further increase the rate.

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Answer:

. Science is a body of knowledge, which is built up through experimental testing of idea.

Science is the body of knowledge that explains the universe and its various phenomena. It gathers information using the scientific method, which comprises of making observations, forming hypotheses, executing experiments, and drawing conclusions. This results in laws and theories that can be used to predict future events.

Science is a vast body of knowledge that aims to explain the universe and everything in it. Science can be divided into various branches such as physics, chemistry, biology, etc. Each of these branches pertains to a particular type of phenomena or entities in the world, covering everything from the smallest atoms to the largest galaxies.

In science, information is gathered through a process termed as the scientific method. It includes making observations, forming hypotheses, executing experiments, and drawing conclusions. The results of these processes can be used to predict future events of a similar nature, thereby demonstrating the explanatory nature of science.

For instance, the law of gravity was discovered through numerous observations and testing and now it explains why objects always fall towards the ground.

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Answer:

A compound is a substance formed when two or more elements are chemically joined. Water, salt, and sugar are examples of compounds. When the elements are joined, the atoms lose their individual properties and have different properties from the elements they are composed of.

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Answer:

The combination in cell A (the two ovals) is an element. Two atoms of the same kind combine through a chemical bond.

Explanation:

PLATO answer