HELP 6th grade work due TODAY!!

Answer:

Ardea herodias

Explanation:

Answer:

bemban poop chamnli kundi ko uyot ipolk

Explanation:

Answer:Scientists have discovered a wealth of evidence concerning human evolution, and this evidence comes in many forms. ... Advances in the dating of fossils and artifacts help determine the age of those remains, which contributes to the big picture of when different milestones in becoming human evolved.

Explanation:

DNA Helicase "unzips" DNA breaking bonds between the 2 template strands,

The newly created strands are "proof-read" for errors.

DNA Polymerase attaches to cach exposed template strand.

DNA Polymerase joins complementary nucleotides to the template strands:

Two new copies of DNA are created, each containing one strand from the original DNA molecule.

DNA replication is the process by which a cell produces two identical copies of its DNA. The correct order of steps in DNA replication is C, E, B, D, and A

The steps of DNA replication are as follows:

Thus the correct order is C, E, B, D, and A.

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Complete question:

Organize the steps of DNA replication.

A. Two new copies of DNA are created, each containing one strand from the original DNA molecule.

B. DNA Polymerase joins complementary nucleotides to the template strands:

C. DNA Helicase "unzips" DNA-breaking bonds between the 2 template strands,

D. The newly created strands are "proofread" for errors.

E. DNA Polymerase attaches to cach exposed template strand.

Answer:

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Explanation:

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Answer:

39 degree Celsius

Explanation:

Human body functions well at 36 degree Celsius. All the body functions and the enzymes secretion and processes works best on the temperature 36 degree Celsius.

The enzyme of humans will function good on temperature 39 as it is the very near to the body temperature of the human. The optimal temperature would be between temperature 35 to 40 degrees for most of the enzymes.

Testing hypothesis :

Add amylase which is an enzyme present in the saliva to a concentration sugar, which acts as the reactant in a small container having a lid. Use a thermometer to mark the changes in the temperature. We have to take two identical samples of our experiment. Place one sample at a room temperature of 25 degree Celsius and the other to be heated to 40 degree Celsius. Now we have to check the concentration of the product for each temperature. And while checking the sample which is heated, we see that at some point, the rate where the substrate is being converted in to product  decreases as the enzyme denaturation and the reaction will stop. The optimal temperature is the one where the product is produced at the maximum rate.

Natural wilderness provides many services that enhance the local and global environment.

Biological diversity, also known as biodiversity, refers to the variety of life on Earth. It includes not only species but also ecosystems and genetic differences within a single species. Species coexist and rely on one another all over the planet. Every living thing, including humans, is a part of these complex networks of interdependent relationships known as ecosystems. 

Healthy ecosystems clean our water, purify our air, keep our soil in good condition, regulate the climate, recycle nutrients, and provide us with food. They supply resources and raw materials for pharmaceuticals and other uses. They are the foundation of all civilisations and the lifeblood of our economies. We couldn't live without these "ecosystem services," it's that simple. They are what we refer to as our natural capital.

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Answer: 20 years

Explanation:

Covid-19 is a respiratory illness caused by the SARS-CoV-2 virus. The effectiveness of "herd immunity" in controlling the spread of Covid-19 is hotly debated within the scientific community due to various factors such as vaccine coverage, virus variants, and ethical considerations.

Covid-19 is a highly contagious viral disease that has caused a global pandemic. Herd immunity refers to a scenario where a significant portion of the population becomes immune to the virus, either through vaccination or prior infection, reducing its ability to spread. However, the effectiveness of achieving herd immunity for Covid-19 is debated due to several reasons. Factors like vaccine coverage and efficacy, the emergence of new virus variants, duration of immunity, and ethical concerns related to infection rates and potential harm need to be considered.

The debate surrounding the effectiveness of herd immunity for Covid-19 stems from complexities related to vaccine coverage, virus variants, immunity duration, and ethical considerations. It highlights the need for ongoing scientific research and discussions to better understand and address the challenges associated with achieving herd immunity in the context of this global pandemic.

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Answer:

Center for Disease Control: they monitor health statistics and give suggestions for national awareness

Explanation:

trust

Endomycorrhizal relationships are a type of symbiotic interaction between plants and fungi, specifically arbuscular mycorrhizal fungi. These relationships are commonly found in many plant families, including but not limited to, grasses, legumes, and many crop plants such as corn, wheat, and soybeans.

In these associations, the fungi help plants absorb water and nutrients, while the plants provide the fungi with carbohydrates as an energy source.

Plants that have endomycorrhizal relationships include many agricultural crops such as wheat, rice, maize, soybeans, and potatoes, as well as trees such as oak, pine, and birch. These plants have evolved to form symbiotic relationships with fungi that live within their root systems, providing them with important nutrients such as phosphorus and nitrogen. The endomycorrhizal fungi, in turn, receive carbon from the plant, allowing both organisms to thrive.

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Answer:

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.

The global forestry industry is facing various challenges, including deforestation, climate change, and increased demand for wood products. However, efforts are being made to promote sustainable practices, such as forest management and reforestation initiatives.

Technological advancements and an increased focus on environmental conservation have led to improved efficiency in the industry, as well as more environmentally friendly practices.
Most of the world's lumber supply comes from two major regions: North America and Europe. North America, particularly the United States and Canada, has a large forestry industry with abundant forests and a strong infrastructure for timber production. Canada is one of the world's leading producers of softwood lumber, while the United States produces both softwood and hardwood lumber.
Europe also contributes significantly to the global lumber supply, with countries like Russia, Sweden, and Finland being major players in the industry. Russia has vast forests, and its timber industry is a crucial part of its economy. Sweden and Finland, with their advanced forest management systems, produce high-quality softwood and hardwood lumber.
In conclusion, the current state of the world's forestry industries is shaped by various challenges and opportunities, with a growing focus on sustainability and technological advancements. North America and Europe are the two major regions supplying the world with lumber, each contributing significantly to the global production of wood products.

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Answer:

Nervous System

Explanation:

"Muscle contraction begins when the nervous system generates a signal. The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron."

Mycorrhizal relationships are mutualistic relationships between fungi and plant roots. The fungus forms a network of hyphae that is much larger than the roots of a single plant. In this way, the fungus can help plants access nutrients that would otherwise be unavailable.

Most fungi get carbohydrates from plants in exchange for nutrients that they've gathered. A mycorrhizal relationship is a good example of this. The fungus gets carbohydrates from the plant, which it uses for energy. In return, the fungus helps the plant absorb water and nutrients from the soil.

Because of the mycorrhizal relationship, plants are able to access nutrients that would otherwise be unavailable to them. The fungus is also able to get carbohydrates that it wouldn't be able to get otherwise. This makes the mycorrhizal relationship a very beneficial one for both parties involved.

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Answer:

pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.

Answer:

I think this is true

Explanation:

???

Answer:

True

Explanation:

It's essential for most people so they are able to perform their best during the day and get work done to the best of their ability.

Transport proteins help the plasma membrane transfer both necessary and unwanted molecules.

Proteins called "transport proteins" are responsible for moving materials across cellular membranes. In the membrane itself, transport proteins create a channel or a carrying mechanism that enables their substrate to move from one side to the other. Three different classes of transport proteins are involved in assisted diffusion: channel proteins, gated channel proteins and carrier proteins. A channel protein, a subclass of transport protein, functions as a pore in the membrane by rapidly allowing water molecules or tiny ions to pass. In order to move the specific solute being transported across the membrane, carrier proteins—also known as carriers, permeases, or transporters—bind the target solute and go through a sequence of conformational changes.

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The statement that is most likely true of the tomato plant population after all their tomatoes died from the same disease is that it had too little biodiversity. The correct answer is option a.

If all the tomatoes in the nursery died from the same disease, it suggests that the plant population lacked genetic diversity. When a population has low biodiversity, it means that the individuals share similar genetic traits and are susceptible to the same diseases or environmental challenges.

In this case, since all the plants succumbed to the disease, it indicates that they did not possess the genetic variation necessary to resist or fight off the pathogen effectively.

Having a higher level of genetic diversity within a plant population increases the chances of some individuals possessing genetic traits that provide resistance or tolerance to diseases. This diversity allows for a greater likelihood of survival in the face of diseases or other adverse conditions.

Therefore, the most likely explanation is that the tomato plant population had too little biodiversity, making them more susceptible to the disease.

So, the correct answer is option a. It had too little biodiversity

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The resonance hybrid gets its maximum energy from the most stable structures. They are referred to as the principal resonance contributors.

The resonance form with the smallest formal charges will give the resonance hybrid the most input. An atom's formal charge is the charge it bears within a molecule. The resonance structure is more stable as formal charges get smaller.

Rule 1: The resonance contributor with the most impact has the most full octets. Rule 2: The atom with the fewest formal charges contributes the most to resonance.

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Answer: is C

Explanation:

Answer:  The correct answer is A. The environment changes over time.

Explanation:  Adaptations allow species to be able to survive in changing locations, like Darwin observing changes in bird beaks based on their available food sources.

Answer:

Photosynthesis: Chloroplasts: Plants

Cellular Respiration: Mitochondrion: Animals

Answer: Magnesium is the correct answer

The answer to the question is that fewer hydrogen ions will be pumped into the thylakoid.

When a hydrogen atom acquires or loses an electron, a hydrogen ion is produced. The only time a positively charged hydrogen ion (or proton) is observed alone is when it is in a gaseous condition in a place that is almost particle-free. The bare hydrogen ion cannot live freely in solution due to its extremely high charge density, which is around 2*1010 times that of a sodium ion. Instead, it rapidly hydrates, or binds, with other molecules.

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Explanation:

It's a piece of cake. Here we are provided with the information that a human cell with a chromosome number of 46, undergoes meiosis, what number of chromosomes will be in each daughter cell.

To solve this question first you must be aware about the word meiosis. Meiosis is a type of cell division. It's end product results in the formation of four daughter cells each having half the number of chromosomes as that of the parent cell.

Did you notice? That formed daughter cell will have half the number of chromosomes as that of the parent cell. Hence, 23 chromosomes will be in each daughter cell.

Answer:

The light is shifted to the red end of the spectrum, as the wavelengths get longer.

In red shift, the wavelengths of light become stretched which is a key concept of astronomers.

The term "red shift" is important to astronomers. The term can be taken literally: the wavelength of the light is stretched, causing the light to appear 'shifted' towards the red part of the spectrum.

When a source of sound moves relative to an observer, something similar happens to sound waves.

A redshift in physics is an increase in the wavelength of electromagnetic radiation, with a corresponding decrease in frequency and photon energy.

A negative redshift, or blueshift, is when the wavelength decreases while the frequency and energy increase simultaneously.

Redshift is a factor, and it has no units as a pure number. Redshift is the ratio of the galaxy's velocity to the velocity of light for slowly moving galaxies.

Thus, the wavelength of light is stretched in redshift.

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A membranous channel extending inward from the muscle fiber membrane is known as a T-tubule. T-tubules play a crucial role in muscle contraction by allowing electrical signals to penetrate deep into the muscle fiber. These channels are invaginations of the cell membrane that run perpendicular to the muscle fibers.

They are lined with proteins that help transmit the electrical signals and allow for the exchange of ions.
When an action potential is generated at the neuromuscular junction, it travels along the muscle fiber membrane. The T-tubules ensure that the action potential reaches the deep regions of the muscle fiber quickly and uniformly. This is important because it triggers the release of calcium ions from the sarcoplasmic reticulum, which is necessary for muscle contraction.
The T-tubule system effectively allows for the coordinated contraction of muscle fibers. By transmitting the electrical signals deep into the muscle fiber, it ensures that all parts of the muscle contract simultaneously and with sufficient force. Without T-tubules, muscle contraction would be less efficient and could result in weaker or uncoordinated movements.
In summary, a membranous channel extending inward from the muscle fiber membrane is called a T-tubule. These channels are crucial for transmitting electrical signals deep into the muscle fiber, triggering muscle contraction. The T-tubule system ensures coordinated and efficient muscle contraction.

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The membranous channel extending inward from a muscle fiber membrane is called the T-tubule. Integral proteins, such as mechanosensitive ion channels and voltage-gated sodium channels, respond to mechanical deformation or depolarization to allow ions to move in and out of the cell, leading to muscle contraction.

The membranous channel extending inward from the muscle fiber membrane can be identified as the T-tubule (transverse tubule), a deep invagination of the sarcolemma, which is the plasma membrane of muscle cells. These T-tubules allow depolarization of the membrane to quickly penetrate to the interior of the cell. Ion channels, such as mechanosensitive ion channels and voltage-gated sodium channels, play a crucial role in this process. These are types of integral proteins, which when activated by mechanical deformation or depolarization, allow ions to enter or exit the cell. This results in an action potential that spreads rapidly along the entire membrane to initiate excitation-contraction coupling, ultimately leading to muscle contraction.

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