why is the plasma membrane called a selectively permeable membrane​

Answers

Answer 1

Answer:

because it permits certain movement of molecules in and out of the cell


Related Questions

Why were the Vikings able to conquer so easily?

Answers

Much of the Vikings success in war was their technical superiority of shipbuilding, though that skill was mostly used for Trading and NOT Raiding, their ships were quite fast.

Who were the Elamites and who did they conquer?




HELP ASAP

Answers

Answer:

Explanation:Image result for who were the elamites and who did they conquer

In 1158 BC, after much of Babylonia had been annexed by Ashur-Dan I of Assyria and Shutruk-Nakhkhunte, the Elamites defeated the Kassites permanently, killing the Kassite king of Babylon, Zababa-shuma-iddin, and replacing him with his eldest son, Kutir-Nakhkhunte, who held it no more than three years

What is the main reason why the Mesopotamians traded grain and cloth for metal and stone

Answers

Answer:

C on edge

Explanation:

MAKE ME BRAINLIEST

Answer:

c

Explanation:

Most sedimentary rocks are readily dated by radiometric methods.
a) true
b) false

Answers

Answer:

Most sedimentary rocks are readily dated by radiometric methods.

False

Explanation:

hope it helps

False. Radiometric dating is not commonly used for dating sedimentary rocks due to the absence of suitable minerals for isotopic decay. Other methods like stratigraphic correlation and fossil dating are typically used to determine the age of sedimentary rocks.

Stratigraphic correlation is a geological technique used to establish relationships between different rock layers (strata) in different locations. It involves comparing the composition, sequence, and characteristics of the rock layers to determine if they are equivalent or correlated.

This correlation provides valuable insights into the relative ages of the rocks and helps in understanding the geologic history of an area.

Stratigraphic correlation often relies on distinctive features like index fossils, sedimentary structures, and layering patterns. By identifying and matching these features, geologists can establish connections and construct a timeline of events in Earth's history.

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Sobre os aspectos físicos da América do Norte marque a alternativa incorreta. A) O território norte-americano é banhado pelos oceanos Índico, Atlântico e Pacífico. B) O Alasca é um território que pertencente aos Estados Unidos. C) Com extensão territorial de 1.958.201 quilômetros quadrados, o México é o menor país da América do Norte. D) A América do Norte está localizada ao norte da Linha do Equador, portanto, ela pertence ao hemisfério setentrional.

Answers

Answer:

The answer is "Its three countries of North America were also situated between both the Tropical of Cancer as well as the Arctic Circle primarily throughout the North Temperate Climate".

Explanation:

In the given question the incorrect choice is missing, which can be defined as follows:

The above given choice is wrong because North America is also a member of both the tropics region. In general, North America was made up of 3 nations: Mexico, Canada, and the United States. Mexico was its lowest, which is also Latin America's largest state and has several parts of all its territories throughout the temperate region. North America is thus the economically very relevant diaspora of America.

ANSWER ASAP‼️

What type of map is this ?

(Click on the image to see the full picture)

A. physical map

B. Precipitation map

C. Political map

D. Economic activity map

Answers

Answer:it looks like a political map

Explanation:

The way the different countries are split

Answer:

C. Political map political maps show places and boundries of a state and that is what this map is showing

Explanation:

When you study the biosphere, what are you studying? A) specific land masses B) all of the ecosystems of Earth C) specific climates found on Earth D) individual atmospheric conditions

Answers

Answer:

B

Explanation:

I pick B because, biosphere is the study of life in that sphere and Ecosystems of the Earth are pretty much has Living Organisms in them. The Study of Life

In addition to Georgia, which state borders Florida?

Answers

Answer:

Alabama

Explanation:

Georgia is bordered to the north by Tennessee and North Carolina, to the northeast by South Carolina, to the southeast by the Atlantic Ocean, to the south by Florida, and to the west by Alabama.

If I am wrong correct me.

It is located in the corner of the state.

Answers

what do u mean by that?

60°N
30°N
Equator
30° S
60° S
High
Population
Density
Low
1. The map shows the number of people per unit of land. Which of the following types of data are
shown in the map?
A, Arithmetic density
B. Physiological density
C. Agricultural density
D. Urban density
E. Suburban density

Answers

Answer:

Arithmetic Density

Explanation:

it is the total number of people divided by the total land area and this is just talking about population density not the amount of arable land (physiological density) or comparing the number of farmers to the area of arable land (agricultural density)

Answer:

arithmetic density

Explanation:

Many Somalian refugees sought entrance to the United States in 2006 and 2007. Describe factors that encouraged many Somalians to leave their country in the 1990s and 2000s.

Answers

Answer: Somalia face natural disasters and political conflict during this time period. Continued violence affected citizens, as clan warlords fought with militias loyal to the Union of Islamic Courts. Somalia faced international military intervention, and the country struggled to fight droughts, tsunami‘s, and starvation.

Explanation: just took the test

The factors that encouraged many Somalians to leave their country in the 1990s and 2000s and seek refuge in the United States include:

Natural disastersPolitical conflictInternal unrest and warsFamine and starvation.

Somalia is a country in Eastern Africa that has faced many years of civil unrest, political conflict, natural disasters, poverty, food shortage, etc.

The political leaders in the country wanted to stay in power for an extended period of time, this led to the formation of militia to try and topple the government.

In the wars that ensued, there was food shortage, famine and untold hardship for the people of Somalia. As if this was not enough, they began to face natural disasters.

These were some of the factors that led the Somalians to seek refuge in United States in 2006 and 2007.

Read more here:

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Thunderstorms are capable of producing __________. A. earthquakes B. hurricanes C. tornadoes D. typhoons

Answers

Answer:

C. tornados

Explanation:

Because if you really think about it a thunderstorn is just like a tornado just without the really gusting circle of wind.

Answer:

c

Explanation:

Select the correct answer.
In which agricultural practice do people move in search of fresh pastures?
A.
livestock ranching
B. dairy farming
C.
nomadic herding
D. mixed farming

Answers

Answer:

C) nomadic herding is the answer

Answer:

nomadic herding is right on plato and edmentum

Explanation:

What are sunspots (pretend you are explaining it to a 5th grader)

Answers

Answer:

Sunspots are darker, cooler areas on the surface of the sun

hope that's an easier definition.

The cooler areas surrounding the sun

Scientists are trying to reduce the amounts of carbon dioxide and methane that enter the atmosphere. Which statement explains what will most likely happen as a result of these efforts? These efforts will cause Earth’s average temperature to increase. These efforts will decrease the amount of heat that the atmosphere traps. These efforts will reduce the amount of sunlight that reflects off the clouds. These efforts will allow more thermal energy to enter the atmosphere.

Answers

Answer:These efforts will decrease the amount of heat that the atmosphere traps

Explanation:

The statement that would explain what would happen due to these efforts is that there would be a heat decrease.

These efforts will decrease the amount of heat that the atmosphere traps

What is carbon dioxide?

This is the gas that is usually present in the air due to lots of human activities. The plants make use of this.

Reducing it would cause a fall in the available energy that is in the atmosphere.

Read more on carbon dioxide here

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Which sentence below uses geographic terminology relating to a 3D representation of the earth correctly?
O Geographers can only use maps to accurately represent the earth.
O The only way to accurately represent the size and shape of the earth is to use a globe.
O Topographic maps accurately show elevation of specific places on the earth.
O Globes will always need to account for distortion when representing the earth.

Answers

Answer:I believe your answer is C

Explanation:

Which of the following statements about the Atacama is false? A. Some areas have had no measurable rain since records have been kept. B. It is one of the driest deserts on Earth. C. It is located in northern Argentina. D. It borders the Pacific Ocean. Please select the best answer from the choices provided A B C D

Answers

Answer:

c

Explanation:

Atacama Desert is located in Chile, South America and not northern Argentina. Thus, statement C is false about Atacama.

What is known about Atacama?

The Atacama Desert is a desert plateau in South America that stretches for 1,600 kilometres along the Pacific coast, west of the Andes Mountains. The Atacama Desert is the world's driest nonpolar desert and the second driest overall, trailing only some very specific spots within the McMurdo Dry Valleys, as well as the only hot true desert that receives less precipitation than the polar deserts and the world's largest fog desert.

In 2010, the world's attention was drawn to the Atacama Desert. Famous for the 'Copiapo mining accident,' in which 33 miners were buried for a record 69 days in a 120-year-old copper-gold mine. On October 13, 2010, all 33 miners were safely rescued.

Therefore, Atacama Desert is not located in northern Argentina but in Chile.

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In what part of Latin America’s region is the largest rainforest

Answers

Answer:

Amazon region I hope it will help you please follow me

Answer: The amazon rainforest

Explanation:

The amazon rain forest is one of earths largest rain forests.

it spans more than five million km2 and is by far the world's largest rainforest area,1 representing some 55–60% of all rainforest.

Great circle are useful for planning airplane routes because

Answers

Answer:

this is useful because they represent the shortest distance between two points on a sphere.

Explanation:

Due to the earth's rotation, sailors and pilots using great circle routes must constantly adjust their route as the heading changes over long distances.

andres1000

Steno's law of superposition explain________.

Answers

Answer:

that When a solid body is surrounded on all sides by another solid body, of the two bodies that eventually become one by mutual contact, the surface of one expresses the properties of the surface of the other.

Explanation:

the surface of one expresses the properties of the surface of the other.

andres1000

Your question had been heard loud and clear.

Alright , so in simple terms the law of superposition by Steno basically says that in a set of layers of sedimentary rocks , the rocks at the bottom of the layers are older than the ones at the top. Now , this is the case when no weather conditions have eroded the layers. Hoever most of the time this is not the case , they get eroded with time and so it may get eroded to such an extent that people may not know which layer was the top and which one was the bottom. Hence , any layer could either be top or bottom , thus it has more than one position. Hence it is called superposition.

Thank you

Hills, plateaus, and canyons are all examples of __________.
A.
mountains
B.
bodies of water
C.
landforms
D.
straits

Answers

Answer:

Landforms

Explanation:

Answer:

Hills, plateaus, and canyons are all examples of __________.

A.

mountains

B.

bodies of water

C.

landforms

D.

straits

 

Explanation:

what is the rooftop of the world​

Answers

What’s the rooftop to the world



Answer: The Roof of the World or Top of the World is a metaphoric description of the high region in the world, also known as High Asia. The term usually refers to the mountainous interior of Asia, including the Pamirs, the Himalayas, the Tibet, the Tian Shan, and the Altai Mountains.




Have a good day;)

Answer:

the Tibetan Plateau stands over 3 miles above sea level and is surrounded by imposing mountain ranges that harbor the world's two highest summits, Mount Everest and K2

Explanation:

How does the enter guy provided by the sun affect global currents

Answers

Answer:

The sun affects ocean currents in a couple of ways

Explanation:

The sun also heats up the air in the atmosphere at the equator. This air will move toward the poles and cool over time. In the process, wind that occurs due to air currents will induve currents at the surface of the ocean.

Rock fossils are created when three events occur: dead organisms are buried in________; hard tissues_______; the material that surrounds the remains_______to form rock.

Answers

Answer:

Rock fossils are created when three events occur: dead organisms are buried in sediment; hard tissues mineralize; the material that surrounds the remains hardens to form rock.

To help you remember:

"dead organisms are buried in-" remember that in the word "sediment" you can spell the word "d-i-e-s" with the first four letters of the word.  

See: sediment

For "hard tissues mineralize", imagine you had to blow your nose in a tissue.  Well, now the tissue is hard: "hard tissues".  And if someone askes, "Who's is this?"

Just remember: The hard tissues are mineralized.

Lastly, "surrounding remains hardens to form rock" because when you play rock music, everyone in your surroundings will stop and stand still to listen almost like they're hardening.

Is this an absolutely ridiculous way to remember how rock fossils are created? Yes.  But will you think about this silly way to remember it from now on?  Yep!  

It's just so weird that you end up remembering it.

5. Which of the following best describes
deposition?
a liquid changing to a gas.
bagas changing into a solid
© a solid changing to a gas
da liquid changing to a solid

Answers

B is the correct answer since deposition is gas changing into a solid while sublimination is a solid changing into a gas

All of the following are natural regions in Texas except: a. Great Plains b. Coastal Plains c. Subtropical Plains d. Mountains and Basins

Answers

I believe C isn’t a natural region

Answer:

c isnt a natural region

Explanation:

why Earth and the other planets of our solar system became layered as they were being formed?

Answers

Answer: Gravity caused more-dense material to move toward the center of each planet.

Explanation:

What ia the difference between these two notations

Answers

Take a picture of the notations and maybe I can help you with the question remember notation if your doing chemistry or physics there is a notation calculator online just use the correct values

Which of the following religions spread from Northern Africa to Sudan, Ethiopia, and other regions further south?

Answers

Answer:

cassandragerry is wrong, the correct answer is D Christianity. I just took the quiz

Explanation:

Answer:Christianity

Explanation:

i just took the quiz

What is the highest mountain range & on what continent?

Answers

Answer:

the highest mountain range in the world is Mount Everest. It is in Asia continent. Country name Nepal

Answer:

The highest mountain range is the Himalayas.

These mountains are situated in Asia.

The highest peak is Everest - 8848 meters.

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Discuss how the use of pedometers benefited people at high risk for type 2 diabetes The guard soon replaced his blunderbuss in his arm-chest and, having looked to the rest of its contents, and having looked to the supplementarypistols that he wore in his belt, looked to a smaller chest beneath his seat, in which there were a few smith's tools, a couple of torches, and a tinder-boxBased on the context, a blunderbuss is most likely which of the following? (4 points)aA coinA flashlightObOdA vestA weapon which statements about the line that passes through (-2,0) and (2,-4 are true? select all that applyA. The slope of the line is 1B. the line intersects the y-axis at (0,-2) C. The equation of the line is y= -x-2D. The line intersects the X-axis at (-2,0) how are LaShana and Tucker are developed. What is the author's main argument in favor of buildinga biomass energy facility?O 1. It will improve the local economy.O 2. It will consume available resources.3. It will put lumber mills out of business. Which word means the same thing as legislation? A. ration B. renewable C. conservation D. law Is 2 tens 3 tenths 1 thousandth greater than, less than, or equal to 20.31? Help its science if u dont mind! Thx! What two accounts are affected when a business buys supplies on account? how is a society formed this is the passage to my question Why is it fun to be frightened? Which of the following equations is equivalent to S = pi r squared h? h = uppercase S minus pi r squared h = StartFraction uppercase S Over pi r squared EndFraction h = StartFraction pi r squared Over uppercase S EndFraction h = uppercase S + pi r squared 7658 divided by 14 picture form What makes up nearly all of the atom's mass?A. The sum of all protons and neutronsB. The sum of all neutrons and electronsC. The sum of all protons and electronsD. The sum of all isotopesSUBMIT Point B is 1/3 of the way from A to C. What are the coordinates of C?A = (-4 , -7)B = (12 , 5) In the polynomial 4x 3x2 +5, which choice is the constant term "? The region below has a population of about 14,000 people. Select the best approximation for the population density of the region.5 mi5 mi100 people per square mile180 people per square mile350 people per square mile500 people per square mile You freeze 6 muffins and share the rest equally among yourself and 2 friends. What is the expression? Karlie ate lunch with her friends at Chuy's. They had a delicious meal that 20 cost $62. If the sales tax rate is 8.25% what is the amount of sales tax they had to pay? ROUND YOUR ANSWER * O $5.12 O $6.76 O $5.27 O $51.20