The number of chromosomes that result from mitosis is _____.

the same as original cell
double the original cell
half of the original cell
none of the above

Answer:

The four elements common to all living organisms are oxygen (O), carbon (C), hydrogen (H), and nitrogen (N).

Explanation:

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Answer:

Krebs cycle is the answer

Answer:

Only supplies a set amount of energy depending on distance from sun

As a scientist observing rats in the wild, one explanation for why rats with white fur might be outnumbering rats with black fur could be due to natural selection. If the environment favors white fur for better camouflage, predators may have a harder time spotting these rats, resulting in a higher survival rate and greater reproductive success.

There are a few potential explanations for why rats with white fur might be outnumbering rats with black fur in this scenario. One possibility is that the white fur is more advantageous in the rats' environment, potentially providing better camouflage or protection from predators. Another explanation could be that there is a genetic advantage to having white fur that is leading to increased reproduction and survival rates among white-furred rats. It's also possible that this is simply a random fluctuation in the rat population that will eventually even out over time.

Over time, as these rats with the mutation reproduce, the proportion of white-furred rats would increase, leading to their higher numbers compared to black-furred rats.

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Answer:

Skin color, a polygenic trait, is also determined by environmental factors.

Explanation:

In humans, skin color or pigmentation is a polygenic trait and is also determined by environmental factors such as exposure to the sun.

Polygenic traits are the traits which are controlled by two or more genes located on different chromosomes. For example, height, skin color, and color of the eyes.

John and Pat carry identical DNA however they exhibit different interaction of the polygenes and working conditions (environmental factors). For example, John works in a movie theatre and thus does not have much exposure to sun whereas Par works on the beach which is an open area and thus experience a lot of exposure from the sun.  

Exposure to the sun leads to the darker skin and thus polygenic interactions and different environmental conditions lead to the variation in skin pigmentation in John and Pat.

Most of the basalt that forms island arcs comes from the melting of the subducting oceanic plate.

Island arcs are curved chains of volcanic islands that form parallel to subduction zones, where one tectonic plate is forced beneath another. basalt, a common type of volcanic rock, is often found in island arcs. The basalt in island arcs primarily comes from the melting of the subducting oceanic plate.

As the oceanic plate descends into the mantle, it experiences increasing temperatures and pressures. These conditions cause the release of water and other volatile substances from the subducting plate. The presence of these volatile substances lowers the melting point of the mantle rocks above the subducting plate.

This process, known as flux melting, generates magma that rises to the surface and erupts as basaltic lava. The basaltic lava then cools and solidifies, forming the volcanic islands in the island arc.

The composition of basalt in island arcs can vary depending on the specific geological conditions and the presence of other rock types in the subducting plate.

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Most of the basalt that forms island arcs comes from the melting of the oceanic crust.

Island arcs are curved chains of volcanic islands that form in subduction zones, where one tectonic plate is forced beneath another. The basaltic magma responsible for the formation of these volcanic islands is generated through the partial melting of the descending oceanic crust.

During subduction, the oceanic crust is subjected to increasing pressure and temperature as it descends into the Earth's mantle. This process causes the release of volatiles and triggers melting of the crust. The resulting basaltic magma rises to the surface through fissures and erupts, forming volcanic islands along the subduction zone.

The basaltic magma that forms island arcs primarily originates from the melting of the oceanic crust. This geological process contributes to the formation of these distinct volcanic island chains and plays a significant role in shaping the Earth's tectonic features.

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Answer:

Plant material will generally float in water. This is because leaves have air in the spaces between cells, which helps them collect CO 2 gas from their environment to use in photosynthesis. When you apply a gentle vacuum to the leaf disks in solution, this air is forced out and replaced with solution, causing the leaves to sink.

Answer:

Plant material will generally float in water. This is because leaves have air in the spaces between cells, which helps them collect CO 2 gas from their environment to use in photosynthesis. When you apply a gentle vacuum to the leaf disks in solution, this air is forced out and replaced with solution, causing the leaves to sink.

Explanation:

All living things breathe, eat, grow, move, reproduce, and have senses. The ability to feed, grow, breathe, move, or reproduce is a requirement for all living organisms. All their senses are absent.

The foundation of all living things are cells, which are microscopic, small structures. They create and exhibit movement. They have both anabolic and catabolic metabolic processes.

Living things have the ability to create new life that is distinct from themselves through the act of reproduction. Everything that is alive has a limited time frame and is not eternal. There is no life in inanimate objects. They have no life at all. They do not develop into new cells, grow, or move in any way. They don't procreate. Examples include stones, pencils, books, bikes, bottles, and other non-living objects.

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When recording a customer payment in the receive payment window one should choose a checking account. the correct option is D, checking account.

What is a checking account?

A checking account is a type of bank account that allows individuals or businesses to deposit, withdraw, and manage their funds easily.

Key features of a checking account:

The checking account represents the bank account where the payments will be deposited once they are grouped together. Selecting the Checking account in the Deposit To field, ensure that the received payments are properly tracked and recorded. This allows you to later group multiple payments for deposit to the bank.

Therefore, the correct option is D.

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Answer:

To me i would say B is the answer

Answer:

O) Removing infectious agents and making white blood cells are some of the immune functions of the lymphatic system.

Answer:

variations in a person's genes

Explanation:

Description of the fossil shown on the slide provide some background information on the specific fossil that is shown in the photo, such as what type of organism it belonged to, where it was found, and how old it is.

Explanation of how fossils help us understand the past: Describe how fossils provide evidence for the evolution of life, reconstruct past environments, or help to date the age of rocks.

Additional examples of fossils: Show more photos of different types of fossils and describe how each one contributes to our understanding of the past.

Comparison with modern organisms: Showing a photo of a modern organism that is related to the fossil, or a comparison of the fossil with a modern organism could help to illustrate how fossils can provide information on the evolution of life.

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Answer:

Description of the fossil shown on the slide provide some background information on the specific fossil that is shown in the photo, such as what type of organism it belonged to, where it was found, and how old it is.

Explanation:

Answer: c. Point B has an elevation less than 2750 feet.

Explanation:

The lines drawn on the map are known as contour lines and they are used to measure elevation. Point B is on a river and rivers are only able to flow at a lower elevation than the area around them.

Point B is therefore lower than the area around it and as the closest contour line to it puts the area at an elevation of 2,750 feet, that must mean that Point B is lower than 2,750 feet.

D. The waves encounter entirely different mediums.

At farther distances, the amplitude of the seismic waves decreases as the energy released by the earthquake spreads throughout a larger volume and different mediums of Earth.

So we can conclude that option D is the right answer.

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The amplitude of a seismic wave generally decreases as the wave moves away from the epicenter because the waves encounter entirely different media.

Seismic waves are waves of a mechanical nature, they propagate on Earth as a result of an earthquake or explosion. They are vibrations that are transmitted due to a release of energy from a specific point that is called a seismic focus. and the resistance found in the medium in which it propagates decreases the energy, dicipating it.

With this information, we can conclude that Seismic waves are movements of rock particles that are transmitted along concentric surfaces due to the sudden release of energy at the seismic focus.

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Macroplankton is a type of zooplankton that ranges in size from 20-200 millimeters.

Planktons are organisms found in an aquatic habitat which serve as a source of food to larger animals and humans.

There are two major types of Plankton which include:

Zooplankton are those planktons that has animal-like features.

Examples inculde: jelly fish,chordates and amphipods.

According to sizes the zooplanktons are also divided into two namely:

The macroplankton are those zooplanktons that can be viewed with the naked eyes because of their large size.

Their size is from 1 millimeters and above (within a range of 20 - 200mm) unlike microplankton that is less than 1mm in size.

The jelly is a typical example of a macroplankton.

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Answer:

1.Genes

2.DNA

3.Nucleus

4.Chromosomes

Explanation:

Answer:

nucleic acid

Explanation:

DNA and RNA are long linear polymers, called nucleic acids, that carry information in a form that can be passed from one generation to the next. ... Genetic information is stored in the sequence of bases along a nucleic acid chain.

May be an evolutionary relic from when atmospheric O2 levels were low. picture respiratory is considered an evolutionary relic as it takes place when the enzyme rubisco captures oxygen as opposed to carbon dioxide.

Photorespiration takes place in C3 plant life while CO2 awareness drops to about 50 ppm. the important thing enzyme that accomplishes the fixing of carbon is rubisco, and at low concentrations of CO2, it begins to restore oxygen as a substitute.

An evolutionary relict is any organism that became a feature of the plant life or fauna of 1 age and that persisted right into a later age, with the later age being characterized by means of newly evolved flowers or fauna drastically distinctive from people who got here before.

The response of RUBISCO with oxygen and metabolic processing of the ensuing 2-PG is called "photorespiration". it is called this because it most effectively occurs in the mild (mitochondrial respiration keeps in darkness) and because it consumes oxygen and produces carbon dioxide, much like mitochondrial breathing.

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The most important limitation in generalizing findings from model organisms to human biology is based on the scientific fact that organisms are not equal and thereby outcomes in signaling pathways will be different in distinct species.

We can't generalize findings from model organisms to human biology because humans contain specific genes that are expressed in their cells and therefore singular signaling pathways that may affect the outcomes when extrapolating info from model species such as Drosophila melanogaster and or yeast  (saccharomyces cerevisiae).

Therefore, with this data, we can see that we can't generalize findings from model organisms to human biology based on the presence of different signaling pathways in these organisms which lead to different outcomes in view of the activation of distinct but often homologous gene sequences.

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Answer :

A. True ✓

Explanation :

The solar energy drives the cycle by evaporating water from the oceans, lakes, rivers, and even the soil.

Answer:

a. they would repel  b. they would repel  c. they would attract

Explanation:

opposites attract and the same repels

Answer:

D. Chemical - mechanical - thermal​

Explanation:

Food contains chemical energy; when our bodies break down and digest food, the bonds that are broken apart release chemical energy. Our bodies convert this to mechanical energy to power movement, from movements as small as blinking or our hearts beating, to bigger movements like running or swimming. When we exercise or move, we also release heat which is thermal energy.

The energy transformations that occur when humans use energy from food to exercise is: D. Chemical - mechanical - thermal​.

Energy can be defined as the ability to do work. Thus, energy must be possessed or transferred to a physical object (body) before it can be used in doing a work or heating a system.

In Science, there are different forms of energy and these are;

In conclusion, the energy transformations that occur when humans use energy from food to exercise is chemical energy to mechanical energy and lastly to thermal​ energy.

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Answer:

a vector

An arrow has both a magnitude (how long it is) and a direction (the direction in which it points). The starting point of a vector is known as the tail and the end point is known as the head.

Answer:

4.

Explanation:

Everyone's DNA is unique unless they are identical twins or if you have some kind of transplant.

Of the following best explains why DNA fingerprints can be used to identify an individual, such as from a crime scene sample it is the situation that Each individual has a unique DNA sequence, with the exception of identical twins. The correct answer is option 4.

These are the babies that are formed from  multiple fusion of gametes and resulting into double fertilization.

DNA is inherited from both maternal and paternal parents. Yes, it is so but the pattern is not same as it will be possible to get the idea of the pattern and analyse along with the prediction of the genome as only few % is predicted.

DNA is used to make proteins during protein synthesis and this situation is clearly correct too but the fact is that this is not helping in the case of DNA fingerprinting where it is not easy to firstly see the DNA pattern then the RNA and then the amino acids and then the proteins.

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