according to the endosymbiotic theory, how did memrbane-bound organeles, such as the nucleus and endoplasmic reticulum form?

Answers

Answer 1

According to the endosymbiotic theory, membrane-bound organelles, such as the nucleus and endoplasmic reticulum, are thought to have formed through the process of endosymbiosis.

This theory suggests that eukaryotic cells evolved from prokaryotic cells that engulfed smaller, free-living prokaryotic cells, such as mitochondria and chloroplasts.

These smaller cells then became symbiotic within the larger host cell, eventually evolving into the membrane-bound organelles found in eukaryotic cells today. The theory is supported by the fact that mitochondria and chloroplasts have their own DNA and ribosomes, similar to prokaryotic cells, and replicate independently of the host cell.

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Answer 2

According to the endosymbiotic theory, membrane-bound organelles such as the nucleus and endoplasmic reticulum formed through a process of endosymbiosis.

This theory suggests that eukaryotic cells evolved from prokaryotic cells through the engulfing and subsequent integration of smaller bacterial cells. Over time, these smaller cells evolved into specialized organelles such as mitochondria and chloroplasts.

The development of membrane-bound organelles like the nucleus and endoplasmic reticulum is believed to have occurred through similar processes of endosymbiosis, as these organelles were also likely formed through the integration of smaller, specialized bacterial cells.


The engulfed cells established a symbiotic relationship with the host cell, eventually becoming integrated as organelles like the nucleus and endoplasmic reticulum. This symbiosis allowed for increased efficiency and specialization within the cell, leading to the evolution of eukaryotic cells.

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Related Questions

energy flow through an ecosystem is blank​

Answers

Answer:

i don't really know what you're asking. But, if you're asking what the main energy source is then it would be the sun.

Explanation:

A _is something in the environment that causes an organism to
respond . *

Stimulus

Response

Effect

Answers

stimulus i think i’m not sure, ignore this i need to type up to 20 characters

What do aerobic respiration and anaerobic respiration have in common?
• Both begin with glycolysis.
• Both occur in mitochondria.
• Both require oxygen to proceed.
• Both end with the electron transport chain.

Answers

Answer:

Both occur in mitochondria

Explanation:

Respiration occurs in the power house called mitochondria

I would say both begin with glycolysis.
No matter whether aerobic or anaerobic respiration, they both generate 4ATP and consumed 2 ATP during glycolysis + NADH.

The difference is that under aerobic respiration, pyruvate can enter the mitochondrial matrix following the aerobic respiration pathway whereas, without the supply of O2, anaerobic respiration takes place and forms different products in accordance to which type of organisms they are (I.e. In plants we will have CO2 and ethanol where in human we have lactic acid)

This cell organelle helps organisms maintain homeostasis by controlling what substances may enter and leave the cells

Answers

im sorry but i got screwed over

Write an essay consisting of three (3) paragraphs, describing the various types of species
interactions in an ecosystem. Each paragraph must consist to 5 to 7 complete sentences.

Answers

The types of species interactions in an ecosystem involve ;

Commensalism.Parasitism.Mutualism.

What are these species interactions?

Mutualism can be described as the symbiotic relationship  which makes species involved to benefit from their interactions.

Parasitism can be described as a type whereby one of the speicies will be benefitting from the host, however in this case the host will be harmed which can bring about death or sickness and this does not usuall end well with the host.

Commensalismcan be described as the association between two organisms whereby one of the organism will have benefits  from the other one but it will not harm it just the benefits.

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A mouse eats seeds and insects which best describes the role of the mouse

Answers

The mouse is a vegetarian

Which of the following is an important part of scientific methods? Select all correct answers.
formulating conclusions
making hypotheses
traveling to distant places
performing experiments​

Answers

Answer:

Making a hypotheses and performing experiments

I Hope this helps you uwu

Explanation:

Making hypotheses and performing experiments to prove them are important parts of the scientific method.

What is a hypothesis?

A hypothesis is a given explanation to understand some observation from the real world by using the scientific method.

This explanation (hypothesis) must be tested (either confirmed or rejected) by experimental methods.

In conclusion, making hypotheses and performing experiments to prove them are important parts of the scientific method.

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When an ecosystem contains many different species, there are usually a high number of links in its food web. How does this affect the sustainability of the ecosystem?.

Answers

When an ecosystem contains many different species, there are usually a high number of links in its food web. The sustainability will not be affected if one link is removed hence typically if one link in the food web is removed, the ecosystem will remain stable.

In the field of science, we describe an ecosystem as the combination of all the biotic and abiotic factors of an area.

If there are many biotic factors i.e many species present in an area, then this means that there are more number of organisms acting as predators and prey. Even if the population of a single species decline, there will be a substitute species present on which a predator can feed.

A greater number of species means a greater number of links in a food web. Hence, for such an ecosystem, sustainability will not be affected if a single link is removed from the food web.

Although a part of your question is missing, you might be referring to this question:

When an ecosystem contains many different species, there are usually a high number of links in its food web. How does this affect the sustainability of the ecosystem?

A. Typically, if one link in the food web is added, the ecosystem will change its location.

B. Typically, if one link in the food web is removed, the ecosystem will no longer exist.

C. Typically, if one link in the food web is removed, the ecosystem will remain stable.

D. Typically, if one link in the food web is added, the ecosystem will destabilize.

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Which factor can confound neuroprognostication during the post-cardiac arrest phase?

Answers

Targeted temperature management factor can confound neuroprognostication during the post-cardiac arrest phase.

What is post cardiac arrest?After a patient has been revived from a cardiac arrest, they may experience post-cardiac arrest syndrome, an inflammatory condition of pathophysiology. The body goes through a special kind of global ischemia during cardiac arrest.Global brain damage, myocardial failure, macrocirculatory dysfunction, increased susceptibility to infection, and persisting precipitating pathology are all symptoms of the clinical condition known as post-cardiac arrest syndrome.These effects, which include movement issues, memory loss or impairment, speech difficulties, weakness or immobility, and cognitive impairments including problems with attention, focus, and visual-motor skills, may be permanent or they may get better with time.Care after a cardiac arrest requires a variety of management techniques. To diagnose and treat coronary artery obstructive disease, early invasive coronary angiography should be taken into consideration. The primary shock treatment involves vasopressors like norepinephrine and dobutamine.

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a phenotypically normal woman marries a man who is heterozygous for cmt disease, an autosomal dominant disorder. they have a son who has cmt disease. what were the chances he would inherit the disease? (if necessary, draw a punnett square to determine the answer.)

Answers

In the case of a phenotypically normal woman marrying a man who is heterozygous for CMT disease, an autosomal dominant disorder, the chances that their son would inherit the disease are 50%.

The woman in this case is phenotypically normal, which implies she does not have CMT illness. The man has CMT disease and is heterozygous for it, which means he has one normal copy and one mutant copy of the gene.

The boy acquired one copy of the mutant gene from his father, giving him a 50% chance of acquiring the condition.

Thus, their son has a 50% risk of inheriting the condition.

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Which statement best describes the purpose of Earth's spheres?

Answers

Answer:

false

Explanation:

because it can't be on the purpose of the earth spheres

Answer:

True

Explanation:

i think that it is right

Hope this helps

:D :D :D

saccharomyces cerevisiae is a diploid yeast species

Answers

Saccharomyces cerevisiae, also known as brewer's or baker's yeast, has long been used in baking, winemaking, and brewing.

It gets its name from the Latinized Greek word for "sugar fungus" because it ferments sugars and starches into alcohol and carbon dioxide.

The budding yeast's normal sexual life cycle Saccharomyces cerevisiae contains both haploid (n = 1, 16 chromosomes) and diploid (n = 2, 32 chromosomes) cells.

Furthermore, tetraploid cells (n = 4, 64 chromosomes) are uncommon in nature but can be produced in the lab by mating two diploid cells.

The yeast is Saccharomyces cerevisiae is a simple single-celled eukaryote that can exist in both a diploid and haploid state.

Yeast mating occurs only between haploids, which can have either the an or (alpha) mating type and thus have simple sexual differentiation.

The Saccharomyces cerevisiae genome is about 12 Mb in size and is divided into 16 chromosomes.

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What is described in biochemistry? 2. what are the features of living organisms (hints: six features; think about the difference between tigers and desks in classroom)?

Answers

In biochemistry, the study of the chemical processes and substances that occur within living organisms is described. It focuses on understanding the chemical reactions and molecules that are involved in various biological processes.

Living organisms possess several features that distinguish them from non-living objects such as desks in a classroom. Here are six key features of living organisms:

1. Organization: Living organisms are highly organized, with structures and systems that work together to carry out specific functions. For example, cells organize into tissues, organs, and organ systems in multicellular organisms.
2. Metabolism: Living organisms have the ability to convert energy from their environment and utilize it to perform various biological processes. This energy is obtained through processes like respiration or photosynthesis.
3. Homeostasis: Living organisms can maintain a stable internal environment despite changes in the external environment. This balance allows them to function optimally. For instance, humans regulate body temperature to ensure a stable internal environment.
4. Growth and development: Living organisms have the capacity to grow and develop over time. They can increase in size and complexity, and undergo changes throughout their lifespan. A seed growing into a mature plant is an example of growth and development.


These features collectively distinguish living organisms from non-living objects and contribute to their ability to survive and adapt in their environments.

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If temperature increases, then the dew point will increase/decrease.

Answers

Dew Point. Just as increasing the temperature decreases relative humidity, decreasing the temperature increases the relative humidity.

1. identify 10 biotic components of an chosen ecosystem.

Answers

Answer:

Explanation:

Biotic factors are living or once-living organisms in the ecosystem. These are

obtained from the biosphere and are capable of reproduction. Examples of

Biotic factors are animals, birds, plants, fungi, and other similar organisms.

Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals.

Examples: All living things — autotrophs and heterotrophs — plants, animals, fungi, bacteria.

Living things that directly or indirectly affect organisms in

environment; organisms, interactions, waste; parasitism, and disease.

Hope it helps : )

Please mark as brainliest!

. Explain how the polarity of water is a major factor that
controls the rate of infiltration in soils. 300 words

Answers

The polarity of water is a major factor that controls the rate of infiltration in soils. This phenomenon is primarily attributed to the unique properties of water molecules and their interactions with soil particles.

Water is a polar molecule, meaning it has a slight positive charge at one end (hydrogen) and a slight negative charge at the other end (oxygen). This polarity arises due to the unequal sharing of electrons between hydrogen and oxygen atoms within the molecule. As a result, water molecules exhibit an electric dipole, with the oxygen side being more electronegative and the hydrogen side being more electropositive.

When water comes into contact with soil particles, which may be composed of minerals or organic matter, the polarity of water plays a crucial role in infiltration. The surface of most soil particles carries a net negative charge (known as a negative surface charge). These charged particles attract the positively charged hydrogen ends of water molecules through electrostatic forces.

This attraction between water molecules and soil particles helps to overcome the force of gravity acting against infiltration. Water molecules bind to the soil particles and create a thin film of water around them. This process is known as adsorption. The adsorbed water molecules create a bridge between soil particles, reducing the friction between them and facilitating further infiltration.

Moreover, the polarity of water also contributes to its cohesive and adhesive properties. Cohesion refers to the tendency of water molecules to stick together, while adhesion refers to the ability of water molecules to adhere to other surfaces. These properties allow water to form continuous columns or chains, enhancing its movement through soil pores and facilitating infiltration.

Additionally, the polarity of water enables it to dissolve various substances. Soil particles often contain ions, organic compounds, and nutrients that are essential for plant growth. Water's ability to dissolve and transport these solutes further aids in nutrient uptake by plants during infiltration.

In summary, the polarity of water is a critical factor influencing the rate of infiltration in soils. Its ability to form hydrogen bonds with soil particles, reduce friction, and facilitate the movement of water through soil pores is essential for efficient water infiltration and nutrient transport in terrestrial ecosystems.

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* the volume of a certain bacterial cell is 2.56 um^3 (a) what is its volume in cubic millimeters (mm^3)? (b) what is the volume of 10^5 cells in liters

Answers

(a) To convert 2.56 μm^3 to mm^3, we need to multiply by the conversion factor (1 mm / 1000 μm)^3, which gives:

2.56 μm^3 × (1 mm / 1000 μm)^3 = 2.56 × 10^−12 mm^3

Therefore, the volume of the bacterial cell is 2.56 × 10^−12 mm^3.

(b) To find the volume of 10^5 cells in liters, we need to first find the total volume of the cells and then convert to liters. Since the volume of one bacterial cell is 2.56 × 10^−12 mm^3, the volume of 10^5 cells is:

10^5 cells × 2.56 × 10^−12 mm^3/cell = 2.56 × 10^−7 mm^3

To convert mm^3 to liters, we need to multiply by the conversion factor (1 L / 10^6 mm^3), which gives:

2.56 × 10^−7 mm^3 × (1 L / 10^6 mm^3) = 2.56 × 10^−13 L

Therefore, the volume of 10^5 bacterial cells is 2.56 × 10^−13 L.

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What type of fish is flounder from the little mermaid?.

Answers

i’m pretty sure a Blue Angelfish

What change caused the rate of population growth to increase around point C?

What change caused the rate of population growth to increase around point C?

Answers

Answer:

point c

Explanation:

A student want to view live organisms less than 1 millimeters in size, which are found in a water sample collected from a stream. Which microscope would be best for the student to use while observing these living organisms?

Answers

Answer:

A

Explanation:

Answer:I think it’s A

Explanation:

I’m taking the test

What can you conclude is one limitation of the arrangement of glucose molecules that gives chitin and cellulose their strength?

What can you conclude is one limitation of the arrangement of glucose molecules that gives chitin and

Answers

Answer:

It cannot be digested and, therefore, provides little nutritional value

Which process in the Sun's core is responsible for releasing energy in the form of radiation?

Answers

Answer:

The proton-proton fusion process (nuclear fusion process)

Explanation:

Le proton proton- I just said what the other person said. Here’s my puppy dog

What citeria see ursortant when corpoinis took to ruest in a courtry? Select of that apphy Low colt of staring a ficen busirent Egaal ocperhurities for wored in touiress Munias docameriatish foe tase

Answers

Corporations consider the ease of obtaining municipal documentation for taxes when they consider investing in a particular country.

When corporations intend to invest in a country, they consider several criteria. These include the low cost of starting a business, equal opportunities for employment, and favorable government policies. Let us see the various criteria that corporations consider when investing in a country:

Low cost of starting a business: When businesses seek to expand their reach, they want to do so at a low cost. Therefore, they seek out countries that offer a low-cost environment. This includes countries with low taxes, affordable energy, and other factors that reduce the cost of starting a business. Equal opportunities for employment: Businesses want to recruit and retain the best talent.

Therefore, they tend to invest in countries that provide equal opportunities for employment. Countries that have favorable hiring policies and do not discriminate against any segment of the population are more likely to attract foreign investment. Favorable government policies: Governments that promote foreign investment tend to attract more businesses.

Countries that offer tax incentives, subsidies, and other benefits to businesses that invest in the country tend to attract more foreign investment. Additionally, governments that have a favorable political climate tend to attract more foreign investment. Municipal documentation for taxes: Businesses must comply with local regulations and pay their fair share of taxes.

Therefore, corporations consider the ease of obtaining municipal documentation for taxes when they consider investing in a particular country.

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From what material did the moon form?

Answers

Answer: Rocky debris, primarily from the impactor and some of Earth's outer layer, was hurled out into orbit around Earth.

Hopefully this helps

Answer:

rock and metal

that is what it is made of.

do Lungs take up dissolved oxygen in water and exchange it for carbon dioxide.

Answers

Answer:

yes they do

Explanation:

My dad is a marine bialogist

Answer

no.

Explanation:

we can only breathe normal oxygen. if we could breathe any other type of oxygen, we could breathe underwater.

but some animal lungs can do this though. but humans can't.

hope this helped. have a good day. :)

How does geotheHow does geothermal energy differ from solar energy?

Geothermal energy is cooler and denser than solar energy.
Geothermal energy comes from the internal heat of Earth.
Geothermal energy is transmitted through the atmosphere.
Geothermal energy results from radiation of electromagnetic waves.rmal energy differ from solar energy?

Answers

Answer: B || Geothermal energy comes from the internal heat of Earth.

Explanation:

hope it helped xx :))

If species is the most specific taxon shown in the diagram what is the scientific name of the stag beetle?
(a) Eukarya
(b) Lucanus
(c) Eukarya Animalia
(d) Lucaunus Cervus

Answers

Answer:

d) Lucaunus Cervus

Explanation:

Scientific name = {genus} {species}

If species is the most specific taxon shown in the diagram what is the scientific name of the stag beetle?(a)

reviewing Meiosis:
Diagram the phases of meiosis using colored pencils to show the homozygous pairs.
a. the starting cell is 2n. how many chromosomes does it have?
b. hom many chromosomes will it have after Meiosis 1?
c. how many chromosomes will it have after Meiosis 2?​

reviewing Meiosis:Diagram the phases of meiosis using colored pencils to show the homozygous pairs.a.

Answers

a. the starting cell is 2n. how many chromosomes does it have?

30 chromosomes

b. hom many chromosomes will it have after Meiosis 1?

23 chromosomes

c. how many chromosomes will it have after Meiosis 2?

15 chromosomes.

Which of the following biomes contains the least amount of diversity?
A. Chaparral
B. Savanna
C. Desert
D. Rainforest

Answers

Answer:

The answer is C

Explanation:

This is due to the high temperatures, low rainfall, and a lack of available water.

Scientists learn about the universe by studying the light that comes to Earth from stars and other objects in space. If you were a scientist hoping to understand the universe, what three questions would you ask?
50 POINTS MAKE IT FAST

Answers

Answer: Here's 4 so you can choose

How many stars are in space?

How far away from Earth are certain stars?

Are there other planets like Earth?

Could a large meteor ever strike Earth

Explanation:

is the earth round or flat
Other Questions
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