A large tray is filled with flour and a fan is turned on so that it blows wind across the top.

Which natural process is this modeling?

Prokaryotic cells: cell wall, cell membrane, nucleus, central vacuole, made of cells, can obtain energy, grow and reproduce, DNA, and RNA.

Eukaryotic cells: cell wall, cell membrane, nucleus, mitochondria, membrane-bound organelles, central vacuole, made of cells, can obtain energy, grow and reproduce, DNA, and RNA.

Viruses: capsid, requires host cell, may cause disease, antibiotics may be used to treat infection, vaccines are used to prevent infection, living thing, DNA, and RNA.

Viruses are small infectious particles that propagate solely inside living cells of other organisms. Their structure comprises genetic material bound by a protein coat called a capsid, with some viruses displaying an additional lipid envelope surrounding the capsid.

Since viruses cannot self-reproduce, host cells are crucial to their replication and production.

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Answer:

HCl

Explanation:

Some easy ways to identify if a compound is an acid is to locate an H+ proton, while basic compounds will have an OH- ion.

Examine all the choices:

A) NaOH

Already, we see that OH is here, so it's a base, not an acid. Eliminate.

B) NaCl

This doesn't have an H+ or an OH-, so it's not an acid. It's actually a salt. Eliminate.

C) HCl

This does have an H+, so it's an acid.

D) \(CH_4\)

Although this does have an H, it's a hydrocarbon - an organic compound. So, it's not an acid.

The answer is thus C.

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In the figure, B, C and D together are called interphase.

The interphase is a part of the cell cycle in which DNA replication occurs in the cell in order to enter mitosis, it is like the moment of preparation before cell division. It is commonly called also resting phase.

It will not be part of mitosis but it is before it starts. It will be composed of the G1 phase in which there is protein synthesis so that the cell will increase in volume, the S phase in which DNA synthesis is generated and the G2 phase in which the cell prepares for cell growth. division.

Therefore, we can confirm that in the figure, B, C and D together are called interphase.

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Answer:

Because the body supply of oxygen is less than the body requirement of oxygen for aerobic respiration.

During a strenous activity,the supply of oxygen do not reach body requirement for aerobic respiration to occur, that is why ,therefore fermentation anaerobic respiration occurs and the end product is lactic acid which then accumulates in the muscles.

Answer:

This is because,during vigorous excercise,oxygen supply is smaller than body requirement of oxygen and therefore anaerobic respiration occur .

Since anaerobic respiration occurs in the absence of oxygen.

Answer:

The following seems to be a summarization of the topics.

Explanation:

Answer:

they're valuable because it takes a long time for the soil to be rich with nutrients, so there's a liter amount of it.

Answer:

The NBTs focus on academic readiness for university study. Each test requires you to apply prior learning - what you know and are able to do - to materials that reflect expectations for first year students in university programme

you are right what is the question

Answer:

a

Explanation:

Answer:

a

Explanation:

.Agriculture comes from different crops according to archeological theory, there are eight plants that made the origins of agriculture on our planet, like rice. People started farming in different parts of the world and it started independently.

The statement is false

Answer:

nerve cell

Explanation:

it helps in the nervous parts

it comprises of neuron,dendrides and axons..

The given cell is the nerve cell, as the structure has a single cell body and dendrites that are coming out of the cell body, and it is important for the body as the function is to send information.

In animals, nerve cells are the primary cells that carry information throughout the body and are responsible for transmitting information in the form of electrical and chemical signals, and each neuron has three main parts: the cell body, dendrites, and axons, here the cell body contains the cell's nucleus and other organelles; dendrites are branching extensions of the cell body that receive signals from other neurons or sensory cells; and axons are long structure that transmit signals to other neurons.

Hence, the given cell is the nerve cell, as the structure has a single cell body and dendrites that are coming out of the cell body, and it is important for the body as the function is to send information.

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Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.

The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.

The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.

When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.

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If there is an increase in the number of pollinating bees, then  D. The population will increase.

The natural process phenomenon of pollination refers to the fecundation mechanism in plants that involves the transport of pollen by means of insects from one plant to another, thereby it is associated with an increase in the number of plants.

Therefore, with this data, we can see that the natural process phenomenon of pollination is based on the movement of bees that carry out pollen.

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Answer:

the answer is increase  

Explanation:

i had this one be for

When we require certification in some field of knowledge, we need to take an exam that checks our knowledge on the subject.

A certification is an official document by which it is verified that a person has specialized knowledge or experience in a subject.

Generally, when we apply for a job we must present certificates about our knowledge, previous studies and experience in other jobs.

Additionally, in some institutes, once we finish the entire academic program, they give us a final exam to verify that we have effectively acquired all the necessary knowledge to carry out this work.

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Answer:

a

Explanation:

This is a very interesting question, even somewhat mind boggling.

You’ve heard of mitochondria, right? Organelles in embedded in the cells of macro-organisms, such as ourselves, and that carry their own trimmed down genetic code in DNA? Well their is another organelle in cells that has DNA separate from that of the macro-organism. That is the chloroplast, which is what constitutes the green coloration in plant tissue and is where photosynthesis is done in the plant. Chloroplasts have DNA also.

Now, how is that you may well ask. Why would mitochondria and chloroplasts have their own DNA separate from that of the organism that otherwise completely surrounds and sustains them?

Scientists are pretty convinced by now that it is because both mitochondria and chloroplasts used to be free living organisms on their own. At some point in the early history of life, they became symbiotic and then dependent on unicellular host organisms. The dependence, however, was reciprocated, as neither humans nor plants (with significant exceptions) can live without chloroplasts.

So the main adaptation of plants to do photosynthesis has been to incorporate chloroplasts into their own cells and then further adapt their inputs of water and nutrients to take advantage of that.

Answer:

The correct answer is - ethical, safety, bioterrorism and environmental concerns.

Explanation:

Biotechnology is like any other field or technology comes with its benefits and challenges. It helps in various ways but also leads to many controversies and raises concerns among people and ecologists. The main concerns of biotechnology are ethical concerns, bioweapon or bioterrorism, environmental issues, and safety.

Ethical concern deals with the use of privileged information and exploiting it, Causes ecological harm, interfering with laws of nature, making bioweapons that can kill thousands and thousand of people and organisms.

The matching of cell component to its origin is as follows:

A cell membrane may be characterized as a type of biological membrane that significantly separates and protects the interior atmosphere of all cells from the outside environment. It is typically semipermeable in nature.

The cell membrane regulates the transport of materials entering and exiting the cell. Chloroplast is unique to plant cells that mediated the process of photosynthesis.

Lysosomes are membrane-enclosed organelles that contain an array of enzymes capable of breaking down all types of biological polymers—proteins, nucleic acids, carbohydrates, and lipids.

Therefore, the matching of cell components to their origin is well described above.

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Answer:

Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes. M not sure

DNA replication is semi-conservative because the original molecule separates into two different strands, and each of them works as a model for a new strand to grow. A) The daughter DNA molecule consists of 1 parent strand and 1 new strand.

DNI replication is semi-conservative because, after replication, each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The replication products are double-stranded DNA molecules, each carrying an original strand and a new one.

The correct option is A) The daughter DNA molecule consists of 1 parent strand and 1 new strand.

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In a semi-conservative model of DNA replication, the daughter DNA molecule consists of 1 parent strand and 1 new strand. Option 1.

The process of DNA is naturally semi-conservative.

This is because each strand of the original DNA forms a template for the synthesis of a complementary strand. Thereafter, each of the newly synthesized strands forms a double helix structure with their respective parent strands.

Thus, e newly replicated DNA molecule usually consists of 1 old strand and 1 new strand. Consequently, the process is described as being semi-conservative.

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The anole lizard is a tree-dwelling reptile that has adapted to live almost anywhere. Because the rain forest is rich with species of anole, many lizards are competing for the same food and the same living space. Oftentimes, anoles will avoid competition by occupying different portions of the rain forest. For example, one species of anole may live in the canopy, while another species live near the forest floor. This behaviour is an example of- niche partitioning.

What is niche partitioning?

The process by which competing species use the environment differently to enable them coexist is known as niche partitioning in ecology. According to the competitive exclusion principle, two species with identical niches (ecological roles) will always drive the other one to extinction if they compete.

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Answer:

I need answer choices so if you give me the options then I can answer

Explanation:

The number of hours it would take for a blood alcohol concentration (BAC) of 0.03% to reduce to 0.0% depends on a variety of factors, including the person's age, weight, gender, and overall health. In general, however, it is estimated that it takes about one hour for the body to metabolize one standard drink, which is equivalent to about 0.5 ounces of pure alcohol.

Assuming that a person has a BAC of 0.03% and that they have not consumed any additional alcohol during that time, it would take approximately 9 hours for their BAC to reduce to 0.0%. This is because 0.03% is equivalent to 0.5 ounces of alcohol, and it takes one hour to metabolize each 0.5 ounces of alcohol.

It is important to note, however, that this is only an approximate estimate, and the actual time it takes for a person's BAC to reduce to 0.0% can vary depending on the factors mentioned above. In some cases, it may take longer or shorter than 9 hours for a person's BAC to reduce to 0.0%. It is also important to remember that drinking alcohol can have serious health and safety risks, and that it is always best to drink responsibly and in moderation

Answer:

reeeeeeeeeeeeeeeeeeeee

Explanation:

Answer:

Great way in which to lose weight!

Inclusion of vegetable portions into your dinner plate such that it is two times the size of meat portion is a great strategy to:

C. lose weight

Note the following facts about Vegetables:

Therefore, inclusion of vegetable portions into your dinner plate such that it is two times the size of meat portion is a great strategy to:

C. lose weight

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The two-way appreciation and respect for nature shown by the people in the movie Jurassic park​ are stated below.

The characters show respect for nature by refusing to use aggressive technology to control the animals and instead choosing to use more passive methods.

Also, the characters also show appreciation for nature by protecting the endangered species on the island and taking steps to ensure they are not affected by humans.

Furthermore, they take care to make sure that the dinosaurs are treated humanely, even when they are in captivity. Finally, they are conscious of their own impact on the environment and take steps to limit it, such as by limiting their own movements and activities on the island.

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Answer:

oxygen

Explanation:

have a great night