What is the difference between prokaryotic and eukaryotic cells?

What Is The Difference Between Prokaryotic And Eukaryotic Cells?

Answers

Answer 1
C) prokaryotic cells don't have a nucleus
Answer 2
The difference between prokaryotic cells and eukaryotic cells is C, prokaryotic cells do not have a nucleus, but eukaryotic cells do. The reason I remember this is because “pro” rhymes with “no” and a PROkaryotic has NO nucleus. If that makes sense.

Related Questions

Ferns and mosses reproduce by

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Ferns and mosses reproduce by releasing millions of spores to the air. The spores are fed eggs and are spread through the environment by wind.

Hope this helps!

What is the largest latitude one can reach

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The largest of the Latitude parallel circles is the equator. The largest Latitude, numerically, is 90 degrees North and South.

What are marcomalocukes

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It is a molecule that contains a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.

A macromolecule is a very large molecule, such as protein, commonly created by polymerization of smaller subunits (monomers). They are typically composed of thousands or more atoms. The most common macromolecules in biochemistry are biopolymers (nucleic acids, proteins, carbohydrates and polyphenols) and large non-polymeric molecules (such as lipids and macrocycles). hoped it helped.

A student empties the water out of a glass. The student observes that small droplets of water remain stuck to the glass. Which two properties of water explain the students observation?

Answers

This refers to both the properties of adhesion and cohesion of water. Adhesion is the sticking of water molecules with non water molecules and cohesion is the sticking of water molecules to other water molecules via hydrogen bonding. The combination of these two properties allow water to cling onto the glass surface and themselves to form droplets.
Final answer:

The phenomenon of small water droplets remaining stuck to the glass despite emptying can be accounted for by the properties of cohesion and adhesion in water. Cohesion makes water molecules stick together forming droplets, whereas adhesion makes these droplets stick to the glass walls.

Explanation:

The student's observation of small droplets of water remaining stuck to the glass can be explained by two properties of water: Cohesion and Adhesion. Cohesion is the property of water that makes its molecules attracted to each other, causing them to stick together and form droplets. Adhesion is the property that allows water molecules to be attracted to other substances, in this case, the glass, allowing it to stick to the glass walls.

For example, when the student empties the glass, the cohesion property makes water molecules stick together, thus forming small droplets. Meanwhile, the adhesion property causes these droplets to stick to the glass. Together, these two properties explain why droplets of water remain in the glass after it has been emptied.

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Help!!!!!!!!!!!!!!!!

Answers

A chemical change is when 2 substances combine to form a new substance. An example of this could be: sodium+chlorine=sodium chloride, or table salt.

A physical change is when the appearance or form of a substance is affected, but it’s chemical substances have not been changed. An example of this would be: chopping a log in half.

The Law of Conservation of Mass is the rule which states that mass cannot be created or destroyed. An example of this would be: it is impossible to make a glass of water appear into my hand out of thin air, the same with it disappearing into thin air.

(I loved 6th grade chemistry class. It was my favorite)

A chemical change is when one substance combines with another and creates a new one, or when one chemical becomes two. An example would be when two hydrogen come together with an oxygen, they can create h2o, or water, which is different from both prior elements.

Physical changes are when a general shape is distorted from an original form into another. For example, when you rip a piece of paper, the paper has had a change to its form and possibly its mass.

The law of conservation of mass is that in a completely isolated system, matter can't be made or destroyed, similar to energy (bit of foreshadowing for other lessons). An example is when you burn wood. it creates smoke, and ashes, but under a closed system. those two products together are the same mass as the fire, energy was simply applied to change its form.

Please help me!!! Haven’t slept in 3 days and end of quarter is this week!

Answers

There is an important difference because the solar energy is provided by the sun and matter doesn't decrease from Earth no matter what. The solar energy input provides plants with energy to grow and for animals to not die of the cold. Plants are food for omnivores and herbivores and thus supporting the earth's ecosystem.

Answer:sleep

Explanation:u need it

Which statements describe the focus of an earthquake

Answers

guys driving drills into the ground  to get oil

The focus of an earthquake, or hypocenter, is the place within the Earth where an earthquake originates, marked by the rupture of rocks. The epicenter is the surface point directly above the focus. The depth of the focus influences the intensity of shaking felt during an earthquake.

The focus of an earthquake, also known as the hypocenter, is the precise underground point where the rupture of rocks begins, leading to an earthquake. It marks the exact location within the Earth's crust where the strain energy that has been accumulating in the rocks due to tectonic forces is suddenly released. This release of energy occurs when the stress on the rocks surpasses their internal strength, triggering a fracture and resulting in a displacement along a fault line. The energy then propagates in the form of seismic waves, which cause the shaking that we feel on the Earth's surface.

The epicenter is the point on the Earth's surface directly above the focus and is often the referenced location when reporting on earthquakes because it is the center of the affected area. The depth of focus plays a crucial role in determining the amount of shaking experienced at the surface; deeper earthquakes generally cause less damage because the seismic waves lose much of their energy before reaching the surface.

What best defines an extensive property of a substance?

A) a property that is observable
B) a property that is measurable
C) a physical property that depends on the sample size
D) a physical property that is not dependent on sample size

Answers

A physical property that depends on the sample size

A extensive property is a physical property that is not dependent on sample size. The correct option is C.

What best defines an extensive property of a substance?

An extensive property of a substance is a physical property that depends on the amount or size of the substance being measured. Extensive properties change when you change the amount or size of the substance. Examples of extensive properties include mass, volume, and total energy. These properties are directly related to the quantity of the substance and are not independent of sample size.

In contrast, intensive properties are physical properties that are independent of the amount or size of the substance and remain constant regardless of the quantity. Examples of intensive properties include temperature, density, and specific heat capacity. These properties do not change when the sample size or amount of the substance is altered.

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At a transform fault boundary, _____

Answers

plates rub against each other, huge stresses are set up that can cause portions of the rock to break, resulting in earthquakes. Places where these breaks occur are called faults. A well-known example of a transform plate boundary is the San Andreas Fault in California.

if your answer choices are the same s mine i believe it is  

lithosphere is neither destroyed nor produced

Are these the right answers? Please help!

Answers

You're correct! Nice job
yes those are the right ones

For many years, New York City has disposed of its garbage in Fresh Kills on Staten Island—soon to be the highest point on the East Coast.

Fresh Kills is one of the nation’s largest _____.

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sanitary facilities

incinerators

landfills

mountains

Answers

Fresh Kills is one of the nations largest landfills

The correct answer is Landfill.

This landfill is located at the New York(NY) covering 2200 acres of land being the largest landfill of nation.

This landfill is called by this name because it is located at t the Fresh Kills estuary' bank, located at the western Staten Island.

In the year 1948 the Fresh kills landfill was used as the temporary or short term landfill but it changed into the largest landfill by 1955 and remained the same until 2001, when it was closed.

How can we rewire our brains, according to the Neuroplasticity video?
Eating healthy foods
Going to the doctor
Intentional practice of the new skill or information

Answers

The correct answer is: Intentional practice of the new skill or information.

Neuroplasticity can be defined as rewiring the brain by forming the new connections and weakening the old ones. It is the ability of the brain to change through time and it might include a change of the proportion of grey matter or strengths of synapses over time.


Intentional practice of the new skill or information

According to the neuroplasticity video, we can rewire our brains by the intentional practice of the new skill or information.

Firstly, we should understand the plasticity of our brain and keep in mind fire and wire together. Allow MIT scientists to rewire our sensitive memory cooperation. Stay away from every kind of stress. We should regularly make brain challenges.  

Why salt affects blood pressure

Answers

Salt makes your body hold on to water. If you eat too much salt, the extra water stored in your body raises your blood pressure. So, the more salt you eat, the higher your blood pressure.

Answer

Salt affects kidney delicate balance of fluid and increases blood pressure.

Explanation

Kidneys exclude the unwanted fluid from the body by filtering the blood. The sodium and potassium ions play their role to get extra water from the blood to urine collecting channels which then lead this water or fluid to the urinary bladder. So, eating the more salt increase these ions which wreck the delicate balance of filtration.

The more salts in the body also result in a higher blood pressure because of holding more water in the blood than the kidney filtrate channels.


A cell biologist wants to observe the surface of a nucleus in order to obtain a detailed view the nuclear pores through which mRNA leave the nucleus. Which type of microscope would be the BEST choice?

A.Light Compound Microscope

B.Transmitting Electron Microscope

C.Dissecting Microscope


D.Scanning Electron Microscope

Answers

The correct answer is option B that is, transmitting electron microscope.  

The core organelles comprise the mitochondria, nucleus, endoplasmic reticulum, and various others. The microscopes play an essential function in understanding organelles.  

Although the majority of the organelles are not clearly observed with the help of light microscopy, and those that can be seen like nucleus are not studied in detail, as their size comes nears to the resolution limit of the light microscope. The complete composition of organelles had only become clear after the discovery of a transmission electron microscope.  


Final answer:

To obtain a detailed view of the nuclear pores, a Scanning Electron Microscope would be the best choice as it provides high-resolution, three-dimensional images of specimen's surface.

Explanation:

The cell biologist should choose the Scanning Electron Microscope (SEM) to observe the surface of a nucleus in detail. This type of microscope allows for high-resolution, three-dimensional images of a specimen's surface topology, which will efficiently allow for a detailed view of nuclear pores. In comparison, a Light Compound Microscope or a Dissecting Microscope cannot provide the resolution at the molecular level needed to observe nuclear pores. A Transmitting Electron Microscope (TEM), on the other hand, would not be optimum for viewing the surface of a specimen but instead provides detailed images of the interior of a specimen.

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Why is water so important to all living things?

Answers

Water helps in survive without water we will die..

Answer:

Water is important for us because every living thing depends on water to survive. Every cell in our body is between 75% and 90% water, our bodies themselves are around 70% water. If we didn't have water there would be absolutely no way there could be life on Earth. Everything needs water including us, plants, animals, and any living thing.

Hopefully this helps! :)

If you describe methane as a gas that easily catches fire, you are describing a ________.

(a) state of matter
(b) physical property
(c) cheical property
(d) chemical formula

Answers

The answer is a state of matter.

In physics, a state of matter is one of the distinct forms that matter takes on. Four states of matter are observable in everyday life: solid, liquid, gas, and plasma.

Answer:

C

Explanation:

You're desribing it's flammibility which is a chemical property about it's build up tha'ts letting it catch fire.

How is the theory of evolution an example of a scientific theory?

Answers

Because Scientific method is an empirical method of knowledge acquisition, involving careful

Scientific method is an empirical method of knowledge acquisition, involving careful observation, formulating hypotheses based on such observations, testing deductions drawn from the hypotheses, and refinement or rejection of hypotheses based on the results of the tests.ext we have to know what “theory of evolution” we’re talking about. Let’s begin with the theory proposed by Charles Darwin in the Origin of Species.

I don’t know what “No assumptions here” in the question details is supposed to mean. Making hypotheses is part of the scientific method. Maybe it means that a hypothesis is assumed subject to verification, while an assumption is an axiom not subject to test. The scientific method makes testable hypotheses but never makes firm assumptions.

Darwin made a lot of observations. Then he made two hypotheses:

The observed variation among individuals can accumulate to produce all the differences we observe among species.

The effect of these variations on the ability of a living entity to survive and reproduce preserves some variations and eliminates others.

The heritability of variations was essential to the theory, but it was an observed fact, not an assumption or a hypothesis.


Do you think the shape of orchids is pure Mendelian inheritance, or is it more complex?

Answers

The genetic base of the shape of orchid is very complex.

Mendelian traits are described as simple traits determined by one gene. The different alleles of the gene contribute to the difference in the trait. This is true for some traits in plants, animals including humans and other organisms, but not for the shape of orchids.

The shape of orchid flowers is determined by the ABCDE group of genes that are responsible for the body plan in plants. These genes are the equivalent of HOX genes of animals.

The protein products of different genes of the ABCDE group interact with each other in complex ways creating different shapes of orchids.

The plato answer is:

It is not purely Mendelian, because it doesn’t appear to be one gene that affects the shape of the orchids. There seem to be many genes involved, with variations in the outcome.

I hope this helps :))))

Oceans and other bodies of water warm up more slowly than air or land. Describe how the hydrogen bonds between water molecules cause this effect.

Answers

Water is heated up when their molecules absorb energy and attain a higher speed. Most of the energy absorbed by water is initially used in disrupting the hydrogen bonds that water molecules make with themselves, thus limiting the amount of energy left to transfer into the kinetic motion of the water molecules themselves. This in turn causes water to heat up much slower.

The growth rate of a population that has a limited food supply will MOST LIKELY be A) exponential. Eliminate B) logistic. C) natural. D) random.

Answers

I think would be C im pretty sure

is B because he growth rate of a population that has a limited food supply will most likely be logistic. A limited food supply is not natural. Exponential growth rate would require unlimited resources. A random growth rate would occur with changing food supplies.

Living things are divided into

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All living organisms are classified into groups based characteristics The classification of living things includes 7 groups: kingdom, phylum, classes, order, families, genus, and species.The most basic classification of living things is kingdoms.

Raccoons and red pandas have more similar DNA sequences than red pandas and giant pandas do what does this tell scientists

Answers

That maybe raccoons and red pandas are more related.

It is known that red pandas and giant pandas are an example of convergent evolution. This means that even though they don’t have common ancestor, they have similar adaptations. It is because both pandas live in similar ecological niches, do and eat similar things (e.g. bamboo diet), they’re faced with the same challenges and thus, evolve similar adaptations.


Answer:

It tell the. They aren’t related

Explanation:

In which type of environment are plants most likely to use C-4 pathway of carbon fixation

Answers

Hot and dry.

Hope this helps!

What is the potential energy of a 3 kg-ball that is on the ground?

Answers

The potential energy is 0 because there is no distance form the floor to the ball

which process of respiration happens first

Answers

glycolysis that is the first step in cellular respiration

The process of respiration that happens first in the cells of the body is called glycolysis.

What is glycolysis ?

Glycolysis is the first step in cellular respiration, which is the process by which cells produce energy. Glycolysis occurs in the cytoplasm of the cell, and it does not require oxygen.

In glycolysis, glucose is broken down into two molecules of pyruvate. This process releases a small amount of energy, which is used to synthesize ATP, a molecule that stores energy. Glycolysis also produces two molecules of NADH, which are used in later steps of cellular respiration to produce more ATP.

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Where are you most likely to find primary succession

Answers

Primary succession occurs when new land is formed or bare rock is exposed, providing a habitat that can be colonized for the first time.

Which periods are older than the Triassic period? Select 3 options.
Cambrian
Cretaceous
Jurassic
Permian
Silurian

Answers

Your answers are the Cambrian, Permian, Silurian time periods.

The correct answer is A, D, E.

A. Cambrian.

D. Permian.

E. Silurian.

Triassic period was termed as the period for the mesozoic era. This time period followed  extinction of great mass which founded at the end of period of permian.

It is during the period of triassic when first mammal and dinosaur appeared.

During late permian, plants like horsetails and mosses were extinct.

Those plants which evolved in on the of triassic were cydophytes and confers.

What is the main purpose of scientific models

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The purpose of scientific modeling varies. Some models, such as the three-dimensional double-helix model of DNA, are used primarily to visualize an object or system, often being created from experimental data. Other models are intended to describe an abstract or hypothetical behaviour or phenomenon.

Which of the following is s term that means “building block”?

Polymer

Biomolecule

Monomer

Carbohydrate

Answers

A polymer is a branches chain molecule which is made of n number of subunits. These subunits are considered as the basic unit or building block of the polymeric molecules. These subunits are called as the monomeric units. Hence the term building block is referred as the monomers.

arrange the sequence of steps in the development of heart failure?

Answers

This is the correct sequence of steps in the development of heart failure.

1. Fat deposits build up along artery walls

2.Blockage in artery obstruct blood flow and can cause heart attacks

3.Blood pressure increases and cardiac muscles thicken

4.Heart pumps blood less efficiently

5.Oxygen delivery is reduced and heart failure occurs


Answer:

The correct order is shown in the attachment below.

Heart attack or myocardial infarction is a medical situation which occurs when there is a decrease in the flow of blood towards the heart.

It usually starts with the deposition of substances like fats, cholesterol, et cetera which leads to the formation of plaque in the artery (especially those which feed coronary arteries).

The plaque or blockage reduces the flow of blood towards the heart.

As a result, the heart starting contracting more vigorously which increases the blood pressure and thickens the cardiac muscles.

With time, the efficiency of the heart decreases due to which less oxygen is reached to the heart and ultimately, a person experiences a heart attack.

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