How do membrane proteins contribute to the membrane potential?

How Do Membrane Proteins Contribute To The Membrane Potential?

Answers

Answer 1

Answer:

The proton pump results....

Explanation:

double checked my notes

Answer 2

Aquaporins result in a combination of positive charges intracellularly and negative charges extracellularly

What are Aquaporins?

Aquaporin is a group of membrane proteins found in cell membranes and selectively permit water to pass into and out of the cell. Also known as water channels, aquaporins are integral membrane pore proteins. Aquaporins are found in plants, bacteria and animals. They are observed in the vacuolar membranes and plasma membranes. The basic function of most aquaporin is to transport water across cell membranes in response to osmotic gradients created by active solute transport. Aquaporins enable passive transport which means they allow the movement of molecules across a cell without using energy.

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Related Questions

What are true of multicellular organisms

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Answer:

hope this answer help you

q.no. 5 answer me please please please please please please please please please please please

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Answer:

(a)The strength of natural fibers is very less as compared to synthetic fibers.  Natural fibers are heavy in weight.  Natural fibers can be damaged by moths and other insects.  These fibers are not wrinkle-free.  These fibers are not long lasting and hence not durable.

(b)  Cellulose is termed as polymer because it is made up of many monomer units.

(c) Rayon is first man- made fibre it is known as artificial silk because it have properties that are similar to silk.

(d) Rayon possesses many properties of natural fibers since it is a semi-synthetic fiber. Nylon is a synthetic fiber and has properties that are completely different from natural fibers. The key difference between rayon and nylon is their resistance to wrinkles and tears.

(e) Nylon has since become a popular choice, as it has excellent wind resistance, good elasticity, mildew resistance, and is comparatively cheaper. The material is also lightweight and dries quickly.

(f) When the piece of cotton is burnt then it burns completely and produces no odour or smell. When nylon is burnt, It completely burns and produces burning paper like odour. When nylon is burnt then the nylon is completely shrink and starts to melt first and then produces odour during the time of burning

Một các thể của một loài sinh vật khi giảm phân tạo giao tử. Trong số giao tử được sinh ra người ta nhận thấy số loại giao tử mang 2 NST có nguồn gốc từ mẹ là 6. Quá trình giảm phân diễn ra bình thường, không xảy ra trao đổi chéo.
a. Xác định bộ NST 2n của loài và tên loài.
b. Tính tỷ lệ loại giao tử nói trên?
Cho rằng tỉ lệ thụ tinh của giao tử đực và cái đều là 100%. Toàn bộ các hợp tử đều phát triển thành cá thể con.

Answers

Answer:

i cant understand

Explanation:

because your language in vietnam

Which inference can you make about why finches have adapted different beak sizes and shapes? (1 point)
They are different species.
O They live in the same location.
O They eat different foods.
O They have a wide range of variation

Answers

Finches have adapted different beak sizes and shapes because they eat different foods. So the correct option is C.

What is natural selection?

Natural selection is a mechanism for evolution to happen. It is the process by which living organisms acquire certain characters according to their needs.

It is important to understand natural selection to understand the essential concepts of the processes by which living organisms have been able to develop the complex structures which are helped them to survive.

Natural selection results from various conditions of environment, ecosystem and heredity. An example of natural selection is the development of antimicrobial resistance to pathogens.

Finches are known to have developed different sizes and shapes of beaks according to the kind of food that they eat. If they fed on insects, they had long and pointed beaks. If they fed on seeds and nuts, they had broad and blunt beaks.

Therefore the correct option is B.

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answer these two please

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the answer to question one is a dissecting microscope.
The answer to question two is the third option about three-dimensional images

ASAP
Identify the error in the following statement: “Photosynthesis is a chemical reaction that takes place in the chloroplasts of green plant cells, where light energy is used to convert glucose and water into carbon dioxide and oxygen.”
A. “glucose” and “carbon dioxide” should be switched
B. No errors
C. “water” and “oxygen” should be switched
D. “chloroplasts” should be “mitochondria”

Answers

I think its B the answer for your questions not sure
Hope u find it

Photosynthesis is a chemical reaction that takes place in the chloroplasts of green plant cells, where light energy is used to convert carbon dioxide and water into glucose and oxygen. Option A is the right answer.

What is photosynthesis?

Photosynthesis is the process by which green plants prepare their own nutrients with the help of sunlight, water, and carbon dioxide.

Photosynthesis helps plants to prepare their own food, these plans are called autographs.Photosynthesis takes place inside the protoplast.This process takes place in some other organisms other than green plants.Chlorophyll is the green pigment that is required for this process to take place.The end products that are formed in the process of photosynthesis are glucose and water.

Hence Option A is the right answer.

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2. Slime moulds cannot be put neither in kingdom Plantae nor in kingdom Animalia. Give reason.

3. Give the disadvantages of the two kingdom classification.

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Answer:

3. In the two-kingdom classification following are drawbacks:-

The plants comprised of photosynthetic and non-photosynthetic species. Fungi, that feed on dead organic matter, were placed under photosynthetic plants. There was another class of classification needed were the organisms with the same characteristics were clubbed into one kingdom. This system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organisms and photosynthetic (green algae) and non-photosynthetic (fungi) organisms. There are some organisms which neither fall into plant nor animal kingdom like Lichens.

Explanation:-

Hope my answer is helpful.. If yes, plz mark me as brainliest

Which is a molecule found in the body?
O urethra
O nutrients
O atoms
O water

Answers

Answer:

water

Explanation:

Answer:

Water

Explanation:

Which ocean borders the western coast of South America

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Answer:

Pacific Ocean

Explanation:

here is your answer

The Pacific Ocean borders the western coast of south america

See the image below!

Answers

Answer:

it is cytosine part of deoxyribonucleic acid

Does cellular respiration follow the law of conservation of energy?

Answers

Yes. Every chemical reaction obeys the law of conservation of mass.

Believe it!!

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If a scientific journal article is difficult to understand in its entirety, what is the best resource for comprehending the overall study
and results?

Answers

Answer:B an abstract of the study

Explanation:

2) ¿Cuál de los siguientes hechos no es una evidencia de una reacción química? a) Presencia de un catalizador b) Cambio de color d) Liberación de gas​

Answers

Answer:

a) Presencia de un catalizador

Explanation:

Los dos tipos de cambios que experimentan las sustancias en la química son cambios químicos y físicos.

Un cambio físico es un cambio es un cambio en el que la sustancia cambia en su apariencia o su forma de una manera que es reversible y en la que no se forma una nueva sustancia.

Un cambio químico es aquel en el que hay un cambio en las sustancias presentes y se forma una nueva sustancia.

La evidencia de que ha tenido lugar un cambio químico incluye

1) La formación de un precipitado a partir de la mezcla de sustancias.

2) Un cambio en el color de las sustancias.

3) Un cambio en el olfato (que desprende un olor) o en el sabor.

4) La sustancia produce luz (brilla)

5) El volumen total cambia

6) Cambio de temperatura (la mezcla se calienta o enfría)

Por lo tanto, la presencia de un catalizador, que es una sustancia que no participa en una reacción pero aumenta la velocidad de reacción, no es evidencia de una reacción química.

match each term to its definition
a steam of plasma

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Answer:

The solar wind is a plasma, a stream of charged particles (ions and electrons) that are continuously escaping from the Sun into the interplanetary medium.

A sealed Ecosphere is able to perpetually sustain life until what happens?

Answers

Answer:Oxygen is DEPLETED

Explanation:

Name two organs that are made up of all four tissues?

Answers

i believe the heart and lungs are 2 organs made up of 2 or more tissues

Heart and lungs are the  two organs that are made up of all four tissues.     secretion, movement, strength, excretion and communication are the main functions of tissues.

What are tissues in human body?

Tissues are the same type of group of cells which have the same structure and functions together in a unit. Connective tissue, epithelial tissue, muscular tissue, and nerve tissue are the four fundamental forms of tissue. Other tissues are held together and supported by connective tissue bone, blood, and lymph tissues.

All body surfaces are covered in epithelial tissues, which also line bodily cavities and hollow organs and make up the majority of glandular tissue. Connective tissues are presents in the blood cells in the human body. Loose connective tissue, adipose tissue, dense fibrous connective tissue, elastic connective tissue, cartilage, osseous tissue, and blood are further more tissues in the body.

Thus, Heart and lungs are the  two organs that are made up of all four tissues.    

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What describes how individuals are distributed, or spread, throughout their habitat.

1: Population density
2: Population distribution

Answers

Population Distribution, mark brainliest if this helped!

Answer me!!!!
Read the descriptions of two experiments below.
Experiment 1: A group of students did a test to see if the
acidity of water affects the growth of pea plants. They
followed a logical method and performed their experiment
once, using a control group and experimental groups. The
results supported their hypothesis.
Experiment 2: A group of students did a test to see if the
acidity of water affects the growth of bacteria in the water,
They used a control group and experimental groups. They
repeated their experiment several times and received the
same results each time.
Which experiment is more likely to be reliable, and why?
O A. Experiment 2, because it gave the same results every time
O B. Experiment 1, because its results supported the hypothesis
O C. Experiment 1, because it followed a logical method
O D. Experiment 2, because its setup included a control group

Answers

Answer:

A

Explanation:

Because it is giving you the same results ( i just did the test and got it right)

Answer:

a.

Explanation:

just took the test

Suppose you traveled back in time and located the first animals to have evolved feathers. You found that these animals were tree-dwelling ectotherms, able to run quickly but unable to fly. You also noticed that only males had feathers. Which hypothesis of feather evolution would these data most support? Feathers initially evolved in a role associated with ________.

Answers

Answer:

Feathers initially evolved in a role associated with sexual selection.

Explanation:

In species where only males had feathers, these feathers can be considered to have evolved into a role associated with sexual selection. This is because in these species, males used their feathers as a sexual attraction for females, in this case, females chose the males that had more attractive feathers to mate and generate new individuals for the species. An example of this can be seen in the peacock, where the tail with lush feathers is only present in males and is intended to sexually attract females.

please help me out, name all 3 parts of the atom. ​

Answers

1. Proton
2. Neutron
3. Electron

In the atom, the arrow 1 depicts the proton. The arrow 2 depicts the neutrons, and the arrow 3 depicts the electrons. All three of these are subatomic particles.

What is an atom?

An atom is the fundamental structural unit of matter. It consists of protons, neutrons, and electrons. Electrons are negatively charged particles that are present outermost shell of the atom, while protons are positively charged particles that make up the core of the atom. The neutron doesn't have any charge.

Both neutrons and protons make up the core of an atom, while electrons revolve around them. A neutral atom has equal numbers of protons and electrons. Example: the sodium atom.

Hence, the atom showing arrow 1 is a proton, arrow 2 is a neutron, and arrow 3 is an electron.

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What happens during S phase?

O A. Chromosomes are duplicated.

O B. DNA separates into two nuclei.

O C. The cell splits in two.

O D. Cytoplasm is manufactured.

Answers

Answer: A. Chromosomes are duplicated.

Explanation: This is the correct answer on the quiz.

Chromosomes are duplicated in S phase. Therefore, option (A) is correct.

What do you mean by S phase?

Between G1 phase and G2 phase, DNA replication takes place during S phase of the cell cycle. The processes that take place during S-phase are tightly controlled and highly conserved.

The cell replicates its genetic material entirely during the S phase of DNA synthesis; At the end of S phase, a normal diploid somatic cell with a DNA complement of 2N acquires a DNA complement of 4N.

DNA synthesis or replication occurs during the S phase of the cell cycle, which occurs prior to the interphase. Before entering mitosis or meiosis, the cell's genetic material is replicated in this manner, leaving enough DNA for daughter cells to divide.

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Human Population Growth and Overpopulation
Can someone please help me I don't understand what I have to do.

Answers

Answer:

all you're trying to do is create a histogram of what has happened in the past and what could happen in the future.

Explanation:

for example and AD you feel the first little bar because it's not more than a billion and its last therefore it would be the zero billion

and then for 1850 you feel to bars because they had 1 billion people so therefore you feel the 0 billion and the 1 billion part

omplete the passage to describe the function of the heart.

The pumping of the heart involves the alternate contraction and relaxation of the chambers of the heart. The upper chambers of the heart are called
, and the lower chambers of the heart are called
.

Answers

Answer:

The pumping of the heart involves the alternate contraction and relaxation of the chambers of the heart. The upper chambers of the heart are called at atria and the lower chambers of the heart are called ventricles.

Una especie de mariposa presenta rasgos fenotípicos diferentes entre los miembros de sus poblaciones. Estos rasgos van desde una coloración verdosa y antenas cortas (características recesivas). El fenotipo más común (características dominantes) de esta especie es de coloración amarilla y de antenas tan largas que se pueden doblar. Realice el cruce entre dos mariposas que presentan fenotipo más común, pero de genotipos heterocigotos y determine los posibles rasgos fenotípicos que se pueden presentar.

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Answer:

can you please translate for us into English

During a stay in the hospital, an accident victim develops symptoms of bacteremia. A blood sample shows the presence of Gram-positive cocci in pairs. Lab tests determine that the bacteria are non-hemolytic and bile salt tolerant. The bacteremia is likely due to

Answers

Answer:

Enterococcus.

Explanation:

Enterococcus is reason for nosocomial infection with predilection for older patients with multiple comorbidities. It is usually caused by longer stay in hospital.  The infections may include urinary tract infections, wound infection and intra abdomen or pelvic infections.

Identify a global challenge

Answers

Answer:

electrical waste management and deforestation

Economic impact of agricultural pollutants on water sustainability for agricultural production. summarise your findings in a table form​

Answers

Answer:

nalaqdua

Explanation:

sbospka ai9wlhzux5 s8fvekg

is the presence of industry in developing nations high? what about developed nations?​

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Answer:

Developing countries don't have lots of industries, so it's not high

Developed nations have a wide variety of industries

Explanation:

Whch part of reproductive system produces semen​

Answers

The answer is Testicles (testes)

A pseudogene is a Group of answer choices second copy of a gene that functions when the original copy becomes damaged. gene that is unrelated in sequence to another gene but has the same function. gene that evolved by gene duplication and the acquisition of mutations to yield a gene product that has a slightly different function from that of the original gene product. gene that arose through gene duplication, but by acquiring mutations became nonfunctional.

Answers

Answer: Gene that arose through gene duplication, but by acquiring mutations became nonfunctional.

Explanation:

A gene is a functional unit of heredity formed by DNA. They possess a sequence of nitrogenous bases that during translation is read by ribosomes to produce molecules called proteins.  A pseudogene is a DNA sequence that resembles a gene, but which has been inactivated in the course of evolution by mutations in its sequence. Thus, it is a gene that derives from other known genes and whose functions are different, may have lost their functionality or have radically changed it. To this day, it is not known exactly how pseudogenes are created, however some theories are as follows:

1. A gene duplication can generate two copies of a gene when only one is needed. A mutation would then occur that deactivates one of the copies. In addition, the duplication event may not be complete, so that the copy has incomplete promoters.  

2. They may be fragments of the messenger RNA transcript of a gene may be spontaneously reverse transcribed and inserted into the chromosomal DNA. They lack the promoters of normal genes, so they are not expressed normally.

3. A gene may become non-functional or inactivated if such a mutation becomes fixed in the population. This can occur by normal means such as natural selection or genetic drift.

Other Questions
Read the passage from "The Most Dangerous Game."Rainsford!" screamed the general. "How in God's name did you get here?""Swam," said Rainsford. "I found it quicker than walking through the jungle."The general sucked in his breath and smiled. "I congratulate you," he said. "You have won the game."Rainsford did not smile. "I am still a beast at bay," he said, in a low, hoarse voice. "Get ready, General Zaroff."The general made one of his deepest bows. "I see," he said. "Splendid! One of us is to furnish a repast for the hounds. The other will sleep in this very excellent bed. On guard, Rainsford." . . .He had never slept in a better bed, Rainsford decided.Which statement best describes how Rainsford solves his moral dilemma in this passage?Rainsford calls a truce with the general even though he knows the general is a terrible man.Although he believes that murder is wrong, Rainsford chooses to kill the general and end the game for good.Instead of killing others or himself, Rainsford lets the general win the game but takes his bed.Rainsford does not smile even though he is thrilled that he won the game. In what ways did Americas women lend an assist to the wartime labor shortage? What was Joseph Stalin's role in the Russian Revolution the drug which is used to reduce pain is ..,.... i) opium ii) bhang iii) hashish iv) marijauna g A high altitude balloon is filled with 1.41 x 104 L of hydrogen gas (H2) at a temperature of 21oC and a pressure of 745 torr. What is the volume of the balloon at a height of 20 km, where the temperature is -48oC and the pressure is 63.1 torr If\[\displaystyle\frac{\sqrt{600} + \sqrt{150} + 4\sqrt{54}}{6\sqrt{32} - 3\sqrt{50} - \sqrt{72}} = a\sqrt{b},\]where $a$ and $b$ are integers and $b$ is as small as possible, find $a+b.$ Drag the tiles to the boxes to form correct pairs.Based on the passage, match each event in the story with the correct plot element.(Mrs. Jones is busy cooking in the kitchen while her eldest son, Jake, is having breakfast. She looks pale and tired. The kitchen is messy. She soon finishes her cooking and starts washing the dishes.)JAKE: Mom, this toast is burnt. Make me another one.MRS. JONES: Just finish it Jake. I dont have the time now. I have a ton of chores to finish before heading off to work.JAKE: But, mom! I can't have burnt toast. Make me another one, or I'm going to school on an empty stomach.(Mrs. Jones sighs and makes him another piece of toast. Jake quickly eats it and walks away without thanking her. Mrs. Jones continues with her work. She hears her daughter yelling.)MRS. JONES: What is it, Clara?CLARA: Mom, come have a look at what Mattie has done.(Mrs. Jones wipes her soapy hands and walks into the living room. She is stunned when she sees the white walls with drawings all over them. She finds her youngest son, Mattie, behind the couch, busy making a drawing on the wall. Without bothering to notice what he is drawing, she drags him out from behind the couch.)MRS. JONES: Mattie, look at what you've done. How could you make such a mess? You've ruined the walls.MATTIE: But, mom, I was just . . .MRS. JONES: Be quiet, Mattie. Day after day I have to look after the three of you, and I never get any appreciation. And now you've gone and scribbled all over the walls. Do you know how long it'll take me to clean up this mess?MATTIE: I'm sorry, mom, I didnt mean to.MRS. JONES: Sorry doesn't change the fact that you've made a big mess.(Mattie looks like he is about to cry.)MRS. JONES: Don't cry, Mattie. Crying is not the solution to our problems.MATTIE: I'm sorry. I'll clean it up right away, mom.MRS. JONES: Yes, you better. Now go and get some soap and a scrubber and get to cleaning.(Mattie looks discouraged as he leaves the room. Mrs. Jones is still furious as she watches him go. She then turns to the wall and her expression changes into one of shock.)MRS. JONES: (to herself) What? Its a drawing of Mattie and me, and the words "I love you, mom" are written below it.(Mattie returns to the room with the soap and scrubber. She looks at him with tear-filled eyes and hugs him tightly to her as he reaches her.)MRS. JONES: I'm sorry too, Mattie. List three of waters unique properties. Jada worked at the bakery for 14 hours last week he spent $12 of his earnings on a cake for his fathers birthday as he was last with $86 after buying the cake what is Giannas hourly wage 3. Which of the following is NOT a factor of production?a. landd. entrepreneurshipb. outpute. capitalc. inputs What is the process in genetic expression? Adams Company recorded the following journal entry on March 2, 2018. Cash Unearned Revenue From the journal entry above, identify the transaction on March 2, 2018. A. Adams paid for services to be received at a later date. B. Adams received for services to be performed in a later period. C. Adams sold goods for cash. D. Adams purchased goods worth and signed a oneyear note for the same amount. Guided PracticeType your answer and then click or tap Done.Identify the capitalization error in the sentence. Type the word with the correct capitalization in the box below.Patrick Henry said, give me liberty or give me death."Fill in the blank text field 1 what is the value of a if va- vh is equals to 1 CAN HF USED TO CLEAVE ETHERS EXPLAIN In the picture below, which lines are lines of symmetry for the figure?A. 1 and 3B. only 3C. 2D. 1, 2, and 3 classmate Date 8) Solve the word problems a) If 576 balls are arranged in equal number of rows and columns, find the numbers of rows. In the revised version of the library system with Book and Periodical, Question 16 options: a) Book is a subclass of Periodical b) Periodical is a subclass of Book c) Book and Periodical are subclasses of LoanableItem d) Book and Periodical implement LoanableItem His words didn't help. Kayla replayed the inelegant scene inher mind. As she had walked across the stage, she had felther heel wobble slightly, sending her swaying back andforth. Then her foot had given out completely, and theauditorium had echoed as she hit the ground. After a fewseconds, giggles from the audience had broken thesilence. Kayla had been mortified, and her face hadremained flushed as she grabbed her award and ran backto her chair."I'm dying of embarrassment," she whispered in Devon'sear. "My life is ruined."Which statement best interprets the use of hyperbole in the passage? Which of the following is not a way to prevent drug misuse and abuse?A. Discuss all side effects with your doctor when you are taking opioidsB. Dispose of all medications properly once treatment is completeC. Keep your opioid medications in an easily visible locationD. Never take more opioids than you are prescribed