Scientists have suggested that organelles such as mitochondria and chloroplasts are similar to one another as a result of the endosymbiotic theory. Why is this

Answers

Answer 1

Answer:They eventually lost their cell wall and much of their DNA because they were not of benefit within the host cell. Mitochondria and chloroplasts cannot grow outside their host cell.

Explanation:


Related Questions

Water moves through several parts of the root hair cell, as it goes from the soil into the sap vacuole. list these parts in order

Answers

Answer:

They grow between soil particles and absorb water and minerals from the soil. Water enters the root hair cells by osmosis.

Why is the thermosphere so hot?

Answers

Answer:

Because Solar Radiation

Explanation:

I remember learning this in class. Thermosphere temperature increase because it absorbs solar radiation from the sun.

Example of ecosystem?​

Answers

Answer:

water ecosystem

land ecosystem

Do you think that the conversion of rice from a C3 to a C4 plant will help alleviate world hunger? What other suggestions might you make? Many of the cereal crops (wheat, oats, barley, and rye) that the U.S. and other northern nations depend upon are also C3 plants. What might happen to these as the global temperatures increase (will their productivity remain the same, increase or decrease and why)? Should we try to convert these to C4 plants also?
Will upvote if correct, sorry there are multiple parts to this question. Please answer fully.

Answers

The conversion of rice from a C3 to a C4 plant might help alleviate world hunger. Additionally, there are several other suggestions that can help alleviate world hunger.C3 plants are those that use the C3 cycle or the Calvin cycle to fix carbon dioxide (CO2) into sugar.



Another suggestion is to increase the yield of crops. Scientists have been working to increase crop yields for decades. Increasing crop yields can help to alleviate world hunger by providing more food per acre.


As global temperatures increase, the productivity of C3 plants is likely to decrease. This is because the process of photosynthesis in C3 plants becomes less efficient as temperatures rise.

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I need help ASAP
Match the following definitions with the correct terms:
1. BB or Bb
2. purple-flower or white flower
3. Bb
4. Used to predict the possible genotypes and phenotypes from a genetic cross

Options to choose from:
- Genotype
- Heterozygous
- Phenotype
- Punnett square

Answers

okay i believe 1. BB or Bb is: genotype
2. purple or white flower is: phenotype
3. Bb is: Heterozygous
4. Used to predict possible genotypes and phenotypes from a genetic cross is: punnett square

Describe the contributions of Schlieden and Schwann to the cell theory.

Answers

Schwann - In 1839, he cells are the basic unit of animal structure

Schlieden - In 1838, he discovered cells are the basic unit of plant structure

Hope this helps

how did water come to earth? ​

Answers

Your Question: How did water come to earth?

Your answer: As a standard comet nears the heat of the Sun, the ice particles from its nucleus sublimate or go directly from solid ice to a gas, which can then condense later into liquid water if it were, say, to arrive on a planet's surface.

Hope this helped! :)

˜”*°•..•°*”˜

HELP PLZ IM FAILING AND I NEED THE EXTRA CREDIT ❗️❗️

HELP PLZ IM FAILING AND I NEED THE EXTRA CREDIT

Answers

Amino acids Is the answer

Explanation:

proteins are made up of 21 different L-amino acids. these amino acids are joined together with peptide bonds. peptide bond is a bond between a caboxylic group of one amino acid with amino group of other amino acid.

following is a figure to describe the structure of a single amino acid, where R -group is variable and can contribute for the amino acid to be neutral, acidic or basic. next figure gives an idea of how many various amino acids are there.

Cilia and flagella move...

A) In opposite directions of the cell membrane

B) When the bending of microtubules is powered by ATP

C) In the same direction of the cell membrane

D) When the contractions of the basal body triplets are powered by ATP

E)When the central pair of microtubules produce ATP

Answers

Answer:

A in opposite direction of the membrane

pacinian corpuscles are sensory receptors that respond to

Answers

Pacinian corpuscles are rapidly-adapting, deep receptors that respond to deep pressure and high-frequency vibration.

What is the function of corpuscles?

Meissner corpuscles consist of a cutaneous nerve ending responsible for transmitting the sensations of fine, discriminative touch and vibration. Meissner corpuscles are most sensitive to low-frequency vibrations between 10 to 50 Hertz and can respond to skin indentations of less than 10 micrometers.

What color are corpuscles?

It is to the aggregation of the red corpuscles that the blood owes its red hue, although when examined by transmitted light their color appears to be only a faint reddish yellow. The corpuscles vary slightly in size even in the same drop of blood, but the average diameter is about 7.5μ,  and the thickness about 2μ.

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you are working at a hominin fossil site in east africa when you come across a skull. you note that the brain size is small compared to modern humans, but the canines are nonhoning. additionally, the face seems very flat. to which species does this skull most likely belong?

Answers

The skull is most likely to belong to the species of Australopithecus africanus and Australopithecus robustus.

The first was a predecessor of the homo sapiens, the second shared its time on earth with early humans. Among the inscribed locations is the Taung Skull site, where in 1924 the first example of the Australopithecus africanus was discovered.

   The oldest fossils date to 3.5 million years ago. The oldest stone tools have been discovered here too, and the oldest evidence of controlled use of fire. Hundreds of specimens of hominids and early humans have been found, these high numbers contribute to the value of these sites.

   According to the given conditions, it was noticed that the brain size is small compared to other humans. Also, according to the information hominids were the first ancestors to human and as the evolution took place it increased.

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plis help asapppppppp

plis help asapppppppp

Answers

Answer:

i would say Maine

Explanation:

the red areas demonstrate the hotter areas as it goes to blue ou can see it's getting colder

Is climate science historical science, operational science, or
is it both? How does one’s worldview affect how they view climate
change? Pick a stance and defend your answer.

Answers

Climate science is a combination of both historical science and operational science. Climate science involves understanding the Earth's past climate and current climate and predicting future changes.

Operational science is focused on studying current natural phenomena, while historical science examines past events that are not currently happening or can't be observed anymore. Climate science combines the two as it studies past climate changes and current climate changes, and uses that information to make predictions about the future. Hence, climate science is both historical science and operational science.

A person's worldview can affect how they view climate change. For example, those who believe that human beings are the primary cause of climate change may advocate for increased environmental protection measures. Others may be more skeptical about the role of human activity in climate change, believing that it is part of a natural cycle that has happened before. Still, others may deny the existence of climate change entirely, believing that it is a hoax or exaggeration by the media or scientists.  I believe that climate change is real and largely caused by human activity, but I understand that others may have different views based on their worldview and experiences. It is essential to consider different perspectives and gather as much information as possible to make informed decisions about how to address climate change.

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disease caused by eating undercooked pork painting parasites roundworm larvae​

Answers

Answer:

I believe the disease is called trichinosis.

Explanation:

What is the goal of sexual reproduction

Answers

Explanation:

the goal of sexual reproduction is to produce babies for the continuation of the species

Which of the following will cause the phase sequence of a synchronous generator to reverse from abc to acb? a. Increasing the number of poles. b. Reversing the direction of the rotation. c. Reversing

Answers

Reversing the direction of rotation will cause the phase sequence of a synchronous generator to reverse from abc to acb. Therefore, the correct option is (b) Reversing the direction of rotation.

A synchronous generator, also known as an alternator, is a device that converts mechanical energy into electrical energy. It works on the principle of Faraday's law of electromagnetic induction to generate electricity. When the rotor of a synchronous generator rotates, it induces a voltage in the stator winding, which is the electrical output of the generator. Phase sequence of a synchronous generator The phase sequence of a synchronous generator refers to the order in which the voltage phases are arranged in the stator winding.

It is commonly denoted as abc, where a, b, and c are the three-phase windings of the stator that are 120 degrees apart from each other. Reversing the direction of rotation Reversing the direction of rotation of a synchronous generator changes the order of the voltage phases in the stator winding from abc to acb. This happens because the voltage induced in the stator winding depends on the direction of rotation of the rotor. When the direction of rotation is reversed, the phase sequence of the voltage is also reversed.

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what is the commonest form of pollution? how is it caused?​

Answers

Answer:

Air pollution occurs when things that aren't normally there are added to the air. A common type of air pollution happens when people release particles into the air from burning fuels. This pollution looks like soot, containing millions of tiny particles, floating in the ai

pls answer this i need help fast!!

pls answer this i need help fast!!

Answers

Answer:

Ok here

Explanation:

Answer:

Body System Primary Function

Reproductive Reproduction

Nervous/Sensory Communication between and coordination of all the body systems

Integumentary Protects against damage

Muscular/Skeletal Provides form, support, stability, and movement to the body

Explanation:

pls answer this i need help fast!!

What if the SHH you are making needs to be accumulated in the cell so that it can be released all at once into the extracellular space at a specific time? How would you store the produced SHH? What would need to occur to release all of the SHH from storage into the extracellular space?

Answers

If SHH is to be accumulated and then released into cellular space at a specific time, it would be necessary to establish storage mechanisms and release mechanisms.

To store the produced SHH would require specialized cellular compartments.

To release all of the stored SHH, a signal or stimulus would need to trigger the release of SHH from storage into the extracellular space.

What steps would the SHH storage and release process take place?SHH production.Storage.Storage regulation.Production of the SHH release signal.SHH release.

SHH is a protein that is stored within the cell and is released into the extracellular space in times of need. These processes need to work in a very regulated way in order to achieve their objectives. For this reason, well-regulated and optimized storage and release mechanisms are needed.

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22. Highlight the correct answer of each underlined pair. UV radiation has shorter longer
wavelengths and
lower/higher energy than visible light and infrared radiation.

Answers

Answer:

shorter and higher

Explanation:

UV  is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.

Research two endangered species. And it needs the location and 3 interesting facts . Oh and species name


Please helppp

Research two endangered species. And it needs the location and 3 interesting facts . Oh and species namePlease

Answers

Answer:

Bald Eagle and Giant Panda

Explanation:

Bald Eagle-

    Location- North America (United States and Northern Mexico)

    Facts-

1. Some bald eagle's nests can weigh as much as 2000 pounds!

2. They live around 20 to 30 years old in the wild.

3. The largest bald eagles tend to live in Alaska where they sometimes weigh as much as 17 pounds

Giant Panda-

      Location- South Central China

      Facts-

1. Pandas eat consistently for 12-14 hours a day

2. Like other bears, pandas can swim

3. “Giant panda” is actually just a nickname for a panda; they are no specifically larger than others.

what anatomic area should be examined when assessing montgomery glands (montgomery tubercles)?

Answers

When assessing Montgomery glands (Montgomery tubercles), the anatomic area that should be examined is the areola of the breast.

Montgomery glands, also known as Montgomery tubercles, are small sebaceous glands located in the areola of the breast. The areola is the circular, pigmented area surrounding the nipple.

These glands secrete an oily substance that helps lubricate and protect the nipple and areola during breastfeeding.

To assess the Montgomery glands, one would visually examine the areola by inspecting its surface for the presence of raised bumps or small bumps. These bumps are the Montgomery glands and can vary in number and size among individuals.

It is important to note any changes in the appearance or condition of the Montgomery glands during breast examinations or screenings for potential health concerns.

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how is pizza being modified

Answers

Answer:

Explanation:

That was one of the takeaways from a new report on pizza trends from Technomic, the Chicago-based foodservice research arm of Winsight Media’s Restaurant Business and CSP magazines.

The study shows that patrons’ options depend greatly on where they’re buying the pizza.

For instance, the researcher found that chicken perceived as being more healthful is an increasingly common topping in limited-service places, while prosciutto is becoming a familiar customer-pleaser in full-service places.

Pizza is becoming as familiar in the fast-casual market as signature options like burgers and sandwiches. The rapidly growing sector is offering “notably more” pizza options, with 15% of establis

Lion zebra eaters are called

Answers

Answer: Carnivores or Primary Consumers.

Explanation:

A famine relief effort is being mounted and there are three types of food bundles that can be flown out during each delivery. Bundle 1 has 4 kg. of flour, 4 kg. of sugar and 12 litres of water. Bundle 2 has 12 kg. of flour, 4 kg. of sugar and 4 litres of water and Bundle 3 has 8 kg. of flour, 8 kg. of sugar and 8 litres of water. The relief agency has 5200 kg. of flour, 3712 kg. of sugar and 6000 litres of water for each shipment. Bundle 1 can provide for 10 people between deliveries, Bundle 2 for 8 people and Bundle 3 for 11 people. How many bundles of each type should the relief agency send on each flight in order to maximize the number of people being fed. Do this problem by setting up a linear programming problem and determining the vertices of the feasibility set. Enter the number of bundles of types 1,2, and 3 (in that order) into the answer box below, separated with commas.

Answers

The relief agency should send 60 bundles of type 1, 100 bundles of type 2, and 150 bundles of type 3 on each flight to maximize the number of people being fed.

To solve the linear programming problem, we need to set up the constraints and objective function. Let's define:

x1 = number of bundles of type 1

x2 = number of bundles of type 2

x3 = number of bundles of type 3

The constraints are:

4x1 + 12x2 + 8x3 ≤ 5200 (constraint for flour)

4x1 + 4x2 + 8x3 ≤ 3712 (constraint for sugar)

12x1 + 4x2 + 8x3 ≤ 6000 (constraint for water)

The objective function is to maximize the number of people being fed, which is given by:

10x1 + 8x2 + 11x3 (number of people fed)

We can now solve this linear programming problem using the given constraints and objective function. The solution will provide the number of bundles of each type that should be sent on each flight to maximize the number of people being fed.

Using an optimization algorithm the optimal solution is:

x1 = 60 (number of bundles of type 1)

x2 = 100 (number of bundles of type 2)

x3 = 150 (number of bundles of type 3)

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what is the likely reason that the rough bacteria do not make the polysaccharide capsule?

Answers

The likely reason that the rough bacteria do not make the polysaccharide capsule is because they lack the genes necessary to produce it.

The polysaccharide capsule is a layer that surrounds some bacteria and helps protect them from the immune system. It is made of long chains of sugar molecules, called polysaccharides, and is produced by the bacteria's own genes.

Rough bacteria, on the other hand, do not have the genes necessary to produce the polysaccharide capsule. This means that they are unable to make the protective layer and are more vulnerable to the immune system. As a result, rough bacteria are typically less virulent and less able to cause disease than bacteria with a polysaccharide capsule.

In conclusion, the likely reason that the rough bacteria do not make the polysaccharide capsule is because they lack the genes necessary to produce it. Without these genes, the bacteria are unable to make the protective layer and are more vulnerable to the immune system.

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❗❗PLEASE HELP❗❗Light from stars provides evidence that the universe is expanding. How does light from stars indicate the universe is expanding?

A. The light waves from the stars get "squished together."

B. The light waves from the stars become "stretched out."

C. The light waves from the stars look bluer than they should.

D. The light waves from distant stars look white and small.​

Answers

Answer:

its B

Explanation:

I took the Quiz

correct order of events during the process of nucleosynthesis?

Answers

Answer:

hydrogen nucleus formed, isotope of hydrogen, tritium formed, helium nucleus formed

Explanation:

Answer:

A

Explanation:

took the quiz

What conditions in an ecosystem are likely to allow a species to become invasive there? How might scientists use biomes to study this?

Answers

If an ecosystem were similar to the
native ecosystem of a species, it
would probably be easier for it to
invade. Scientists might refer to
descriptions of biomes to predict
where a species might become
invasive. For example, if the species
is found in a new location that
is the same biome as its native ecosystem,
it is probably more likely
to become invasive.

The light-dependent reactions change _____ in to the molecules _____ and _____.

Answers

light energy i think?????
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As per college records, the probability of a student taking a chemistry course is 0.40, the probability to take an Arabic course is 0.55, and the probability of taking both courses is 0.15. Which of the following is true?1- "Taking Chemistry" and "Taking Arabic" are independent but not mutually exclusive events.2- "Taking Chemistry" and "Taking Arabic" are independent and mutually exclusive events.3- "Taking Chemistry" and "Taking Arabic" are mutually exclusive but not independent events.4- "Taking Chemistry" and "Taking Arabic" are neither mutually exclusive nor independent events. please write the answer in minutes.Thank you. My life depends on you Blood, vomitus, or other substances that occlude the nasopharynx may drain and lead to:________ What do geographers not use to determine absolute location use the electromagnetic spectrum above to answer the following questions. note that the numbers above the visible spectrum indicate the wavelength in nanometers. yellow light has a wavelength of about 590 nanometers. what is its frequency? unit a certain light has a frequency of 4.3*10^14 hz. what is its wavelength in meters? m what color would this be? select an answer how to solve inequality geometrically Explain Sensory stimulation and give its examples of how you would go about fostering cognitive competence in children an air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.50 mm. a 17.0-v potential difference is applied to these plates. What is the worst-case complexity of the each of the following code code fragments?Two loops in a row:for (i = 0; i < N; i++) {sequence of statements}for (j = 0; j < M; j++) {sequence of statements}How would the complexity change if the second loop went to N instead of M? 2(x+1) please do full steps and answer thank you i will give brainlist What is the answer to 12x = 42? assuming workers price expectations lag behind reality and that they do not recognize inflation of 5%. how would workers respond to a 3% increase in the nominal wage? 0.10 mol of naoh is added to 0.30 mol of weak acid hx in a total volume of 1.00 l. the ph of the resultant solution is 8.65. what is ka for hx? The circumference of a circle is 71 m. What is the area, in square meters? Express your answer in terms of . The operating temperature of a tungsten filament in an incandescent light bulb is 2450 K, and its emissivity is 0.350. Find the surface area of the filament of a 150 W bulb if all the electrical energy consumed by the bulb is radiated by the filament as electromagnetic waves. (Only a fraction of the radiation ap- pears as visible light.) 100 POINTS!!!Read the sentence:He did not mention no location to meet.Which of the following best corrects the double negative in the sentence?Group of answer choicesHe did mention no location to meet.He did not mention the location to meet.He will not mention no location to meet.He won't mention no location to meet. split the data into 50% for testing and 50% for training. then check the performance and explain why you got this performance. A store bought a pair of shoes for $50 and sold it for $80. What percentage was the markup "Flowering Judas" is told in the _______ tense, from a _____ point of view. When writing, it is important to make sure that you include enough information for your readers to figure out the meaning of any multiple-meaning or unknown words you use. What techniques can you use to make sure your readers have clues about word meaning?