Place the events of activation of a T helper cell in order.
Instructions:
1. helper T cell proliferates toggle button helper T cell proliferates
2 . APC engulfs antigen and presents it on an MHC class II molecule toggle button APC engulfs antigen and presents it on an MHC class II molecule
3 . helper T cell secretes IL-2 toggle button helper T cell secretes IL-2
4. helper T cell binds APC toggle button helper T cell binds APC
Answers
The correct order of events for the activation of a T helper cell is as follows:
APC engulfs antigen and presents it on an MHC class II moleculeHelper T cell binds APCHelper T cell proliferatesHelper T cell secretes IL-2APC engulfs antigen and presents it on an MHC class II moleculeAntigen-presenting cells (APCs) such as dendritic cells or macrophages engulf pathogens or foreign substances and process them internally. They then present fragments of the antigen on their cell surface using major histocompatibility complex class II (MHC-II) molecules.
Helper T cell binds APCThe T cell receptor (TCR) on the surface of the helper T cell recognizes and binds to the antigen-MHC complex on the APC. This interaction is facilitated by co-receptors and adhesion molecules.
Helper T cell proliferatesThe binding of the TCR to the antigen-MHC complex stimulates the helper T cell to become activated. This activation leads to the proliferation or multiplication of helper T cells, producing a larger population of T cells specific to the antigen.
Helper T cell secretes IL-2Once activated, the helper T cell secretes a cytokine called interleukin-2 (IL-2). IL-2 plays a crucial role in stimulating the proliferation and differentiation of other immune cells, including T cells, B cells, and natural killer cells.
So, the correct order of events is 2, 4, 1, 3.
Learn more about T helper cells:
https://brainly.com/question/14902979
#SPJ11
Related Questions
In its resting state, the membrane surrounding a neuron is permeable to potassium ions but not permeable to sodium ions. Thus, positive K ions can flow through the membrane in an attempt to equalize K concentration, but Na ions cannot. This leads to an excess of Na ions outside of the cell. If the space outside the cell is defined as zero electric potential, then the electric potential of the interior of the cell is negative. This resting potential is typically about -80 \rm mV.during the resting phase, what is the electric potential energy of a typical na ion outside of the cell?
Answers
During the resting phase of a neuron, the membrane potential is negative, and the concentration of sodium ions is higher outside the cell than inside.
As per the question given,
This creates an electrochemical gradient where sodium ions have a higher electric potential energy outside the cell than inside, which drives them to move into the cell.
To calculate the electric potential energy of a typical Na ion outside of the cell, we can use the formula:
Electric potential energy = electric potential x charge of the ion
Since the resting potential of a neuron is about -80 mV and the charge of a Na ion is +1, we can plug in these values to get:
Electric potential energy of Na ion outside of the cell =\((-80 mV) * (+1) = -80 * 10^{-3} J/C\)
The Na ion likes to go inside the cell where the electric potential energy is lower because the negative sign indicates that the Na ion's electric potential energy is higher outside the cell than within (more negative). The electrical impulses that neurons utilise to communicate with one another are produced by this ion migration.
For such more questions on Neuron
https://brainly.com/question/27274584
#SPJ4
Note: The complete question would be as bellow,
In its resting state, the membrane surrounding a neuron is permeable to potassium ions but only slightly permeable to sodium ions. Thus, positive K ions can flow through the membrane in an attempt to equalize K concentration, but Na ions cannot as quickly. This leads to an excess of Na ions outside of the cell. If the space outside the cell is defined as zero electric potential, then the electric potential of the interior of the cell is negative. This resting potential is typically about Image for In its resting state, the membrane surrounding a neuron is permeable to potassium ions but only slightly perme80 m mV. A schematic of this situation is shown in the figure:
In response to an electrical stimulus, certain channels in the membrane can become permeable to Na ions. Due to the concentration gradient, Na ions rush into the cell and the interior of the cell reaches an electric potential of about 40 m mV. This process is termed depolarization. In response to depolarization, the membrane again becomes less permeable to Na ions, and the K ions flow out of the interior of the cell through channels established by the positive electric potential inside of the cell. This then reestablishing the resting potential. This is termed repolarization. Only a small percentage of the available Na and K ions participate in each depolarization/repolarization cycle, so the cell can respond to many stimuli in succession without depleting its "stock" of available Na and K ions. A graph of an electric potential inside a cell vs. time is shown in the next figure (Intro 2 figure) for a single depolarization/repolarization cycle.
Why is transcription a particularly important level of gene regulation in both bacteria and eukaryotes?
Answers
Transcription is important in gene regulation because it controls the production of mRNA, which ultimately determines the expression of genes.
Transcription is the process by which the genetic information stored in DNA is converted into RNA. This RNA, in turn, is used as a template for the synthesis of proteins. By controlling the rate and timing of transcription, cells can regulate the expression of genes. This is particularly important in both bacteria and eukaryotes because it allows them to respond to changes in their environment and to different developmental cues. In bacteria, transcriptional regulation is often achieved through the binding of specific regulatory proteins to DNA sequences near the gene of interest. In eukaryotes, transcriptional regulation is more complex and involves a variety of mechanisms, including chromatin remodeling, DNA methylation, and the action of transcription factors.
learn more about genes here:
https://brainly.com/question/23611713
#SPJ11
Which occurs in a fusion reaction between two atoms?
Answers
Answer:
Two atoms slam together to form a heavier atom.
Explanation:
Fusion occurs when two atoms slam together to form a heavier atom, like when two hydrogen atoms fuse to form one helium atom. This is the same process that powers the sun and creates huge amounts of energy—several times greater than fission. It also doesn’t produce highly radioactive fission products.
Consider this claim: changes in the environmental conditions always result in new ecosystems and lost of biodiversity charactera.
Answers
Answer:
Yes.
Explanation:
Yes, changes in the environmental conditions of a specific region result in formation of new ecosystems as well as the lost of old biodiversity occur because the organisms of that old ecosystem can't tolerate the change that occurs in the environment so they become extinct or migrated to another suitable place and only those organisms begins to live which can survive in that environmental conditions.
an example of a sessile benthic organism is a . multiple choice question. snail starfish sea anemone
Answers
An example of a sessile benthic organism is a sea anemone.
Sessile organisms are those that are permanently attached to a substrate and do not have the ability to move freely. They remain fixed in one place throughout their life. Benthic organisms live on or near the bottom of aquatic environments such as oceans, seas, or lakes. Sea anemones are an example of sessile benthic organisms. They are marine animals that belong to the phylum Cnidaria. Sea anemones are typically attached to substrates such as rocks or coral reefs on the ocean floor. They have a cylindrical body with a central mouth surrounded by tentacles. Sea anemones are known for their striking colors and can be found in various marine habitats worldwide. As sessile organisms, they rely on capturing prey that comes within reach of their tentacles rather than actively pursuing food.
To know more about Sessile organisms
brainly.com/question/31215159
#SPJ11
Define Aerobic & Anaerobic Respiration with its chemical equation?
Answers
Answer:
Aerobic respiration : The kind of respiration where the intake of oxygen helps to breakdown the food and produce energy. This is done by almost all living organisms like plants, us humans (Most of the time), animals, etc.
Anaerobic respiration : The kind of respiration which takes place in the absence/lack of oxygen. Organisms like yeast, us humans (For a short period of time, I will explain how), etc.
When do humans anaerobically respire?
Ans: When the human body does not get enough of oxygen, and we are doing some heavy exercise, at that period of time, in the muscles cells, the cells anaerobically respire giving out lactic acid, which leads to muscle cramps....
Anaerobic:
Glucose (Lack of oxygen)-----> lactic acid (In humans) / alcohol (In other organisms) + Energy
Aerobic :
Glucose (Presence of oxygen) --------> Carbon dioxide + Energy
If my answer helped, kindly mark me as the brainliest!!
Thank You!!
ghrelin is a(n) group of answer choices neurotransmitter found in the liver that signals a feeling of being full. hormone secreted by the stomach to stimulate hunger. enzyme that breaks down neurotransmitters in the brain to signal a feeling of being full. neurotransmitter released by the brain to stimulate hunger.
Answers
Ghrelin is hormone released by the stomach to stimulate hunger
What is ghrelin?
Your stomach produces the hormone ghrelin. Small amounts of ghrelin are also released by various other body organs, including the brain, small intestine, and pancreas.
Ghrelin, also referred to as the hunger hormone, does more than just let your brain know you're hungry. Ghrelin, for instance,
increases food intake and aids in fat storage in the body.aids in causing the release of growth hormones from your pituitary gland.controls how your body releases insulin, the hormone in charge of processing sugar, and how much sugar you consume.has a part in bone growth, metabolism, and preventing your muscles from aging.Hence, ghrelin is hunger hormone secreted by the stomach.
To learn more about ghrelin click on the link
https://brainly.com/question/7747313
#SPJ4
Explain the disadvantages of the following characteristics of water injection in waterflooding project: (a) Suspended solids (b) Oxygen content (c) Bacteria content
Answers
Water injection is a widely used method in many waterflooding projects in order to maintain the reservoir pressure and improve oil recovery. However, it also has some disadvantages due to suspended solids, oxygen content, and bacteria content.
Suspended solids are tiny particles of matter that are suspended in the water that are either organic or inorganic in nature and can come from a variety of sources such as oil and gas production, drilling operations, and industrial processes. The disadvantages of suspended solids in water injection in waterflooding projects are:
They can cause formation damage by plugging the reservoir pore space and reducing the permeability of the rock and can also cause problems with the injection equipment by clogging the filters and reducing the flow rate of the injected water.
Oxygen is a highly reactive gas that can cause corrosion and degradation of the reservoir rock and the injection equipment. The disadvantages of oxygen content in water injection in waterflooding projects are :
It can cause the formation of scale and other deposits that can reduce the permeability of the rock and increase the pressure drop across the reservoir. It can also cause the formation of emulsions and other undesirable fluid properties that can reduce the efficiency of the waterflooding project.
Bacteria are microorganisms that can grow and multiply in the water and the reservoir rock. The disadvantages of bacteria content in water injection in waterflooding projects are:
They can cause corrosion of the injection equipment and the reservoir rock and can also cause fouling and plugging of the reservoir pore space, reducing the permeability of the rock and reducing the efficiency of the waterflooding project.
Water injection or water flooding project:
https://brainly.com/question/31037991
#SPJ11
Where do plants get the carbon needed to make glucose
Answers
Answer:
the atmosphere
Explanation:
the plants take CO2 in the air through tiny pores in their leaves called stomata
what chemical structures must be present for life to exist?
Answers
Answer:
Carbon, Hydrogen, Oxygen and Nitrogen.
Explanation:
Indicate which protein would be mot likely to be mutated/inactivated if you were to oberve the following defect during DNA replication:
• Short trand of DNA/RNA hybrid are produced intead of a continuou long trand of DNA
• Short trand of DNA only are produced intead of a continuou long trand of DNA
• DNA fail to be opened in preparation for replication
• DNA i opened but it cloe up once again before the replication machinery get a chance to initiate replication
• DNA i opened and remain opened, hort RNA are yntheized and extended briefly a DNA but highly proceive replication never tart
Answers
The list of possible proteins for each type of defect:
Short strands of DNA/RNA hybrid are produced instead of a continuous long strand of DNA: Primase.Short strands of DNA only are produced instead of a continuous long strand of DNA: DNA polymerase.DNA fails to be opened in preparation for replication: Helicase/ TopoisomeraseDNA is opened but it closes up once again before the replication machinery gets a chance to initiate replication: Single-stranded binding protein.DNA is opened and remains opened, short RNA are synthesized and extended briefly as DNA but highly probable replication never starts: Origin recognition complex.Short strands of DNA/RNA hybrid are produced instead of a continuous long strand of DNA: This type of defect suggests a problem with the process of primer synthesis, which is the first step in DNA replication. Primers are short RNA molecules that serve as a starting point for DNA polymerase, the enzyme responsible for synthesizing new DNA strands. A mutation or inactivation of a protein involved in primer synthesis, such as primase, could result in the production of short DNA/RNA hybrid strands instead of a continuous long strand of DNA.
Short strands of DNA only are produced instead of a continuous long strand of DNA: This type of defect suggests a problem with the continuation of DNA synthesis after the initiation of primer synthesis. A mutation or inactivation of DNA polymerase, the enzyme responsible for synthesizing new DNA strands, could result in the production of short DNA strands instead of a continuous long strand of DNA.
DNA fails to be opened in preparation for replication: This type of defect suggests a problem with the unwinding of the DNA double helix, which is a necessary step for the replication machinery to access the DNA template. A mutation or inactivation of a protein involved in DNA unwinding, such as helicase, could result in the failure of DNA to be opened in preparation for replication.
DNA is opened but it closes up once again before the replication machinery gets a chance to initiate replication: This type of defect suggests a problem with the stability of the unwound DNA template. A mutation or inactivation of a protein involved in maintaining the stability of the unwound DNA, such as single-stranded binding proteins, could result in the closing of the DNA before replication can begin.
DNA is opened and remains opened, short RNA are synthesized and extended briefly as DNA but highly probable replication never starts: This type of defect suggests a problem with the initiation of DNA replication. A mutation or inactivation of a protein involved in the initiation of DNA replication, such as origin recognition complex, could result in the synthesis of short RNA strands but prevent the initiation of DNA replication.
To know more about DNA replication here:
https://brainly.com/question/16464230#
#SPJ4
why is development work necessary for the development of nation?
Answers
Answer:
Development work is necessary for the development of the nation because if the nation will be developed there would be many facilities for the citizens of that nation and development it leads to to economic prosperity.
Explanation:
I hope it help you friend
Is it noon at the same time all over the world? Explain your answer.
Answers
No, it is not noon at the same time all over the world. This is because the Earth is divided into 24 time zones, each of which is approximately 15 degrees of longitude wide.
Each time zone is one hour ahead or behind the neighboring time zone. Therefore, when it is noon in one time zone, it will be a different time in the adjacent time zone.
This system of time zones was established to make international travel and communication easier and more efficient.
Due to the Earth's division into time zones, it is not noon at the same time all over the world, but instead, the time varies depending on the location of the observer.
For more information on time zones kindly visit to
https://brainly.com/question/17334379
#SPJ11
how i know a chemical reaction took place
Answers
Answer:
Gas bubbles, precipitation, color change, temperature change, if some light is produced, the volume changes, or taste and or smell changes.
Explanation:
I learned these were the 7 signs of a chemical reaction but some schools and curriculums vary on how many signs of reactions there are. I hope this helped!
The cells produced in mitosis are called what
Answers
Answer:
I am pretty sure it's haploid sex cells
Answer:
the cells produced in mitosis are diploid body cells
Which of the following is most involved in providing structure for a plasma membrane?
the number of protein channels embedded in the membrane
the types of carbohydrates attached to proteins on the surface
the types of proteins that are attached to the surface of the membrane
the arrangement of the hydrophobic and hydrophilic ends of the phospholipids
Answers
Answer:
the arrangement of the hydrophobic and hydrophilic ends of the phospholipids
Explanation:
evolutionary roots of aerobic respiration: each of you will describe your process across evolution. a.)first appearance on earth. a.what are it inputs and where do they come from? b.what are its outputs and where do they go? c.what is its most important output? b.)describe each and every subsequent different function of your process across evolutionary time since its inception up to its role in aerobic metabolism. as in part (a), you will need to specify inputs and where from, outputs and where they go, and the most important output. bring notes to the group meeting about how your process is connected to the electron transport chain in modern aerobic metabolism. what materials does your process receive and send to the electron transport chain, and what does this exchange accomplish?
Answers
When oxygen first appeared on Earth 2.3 billion years ago as a result of oxygenic photosynthesis in cyanobacteria, it fundamentally changed the trajectory of evolution by enabling the emergence of aerobic respiration and complex multicellular life.
The energy that was stored in carbohydrates and lipids during photosynthesis is released during the process of aerobic respiration and made available to living things. Glycolysis, the link reaction, the Krebs cycle, and oxidative phosphorylation are the four phases.
The development and diversification of the first animals depended heavily on the biological toolkits for aerobic respiration. Isocitrate dehydrogenase (IDH), an enzyme, controls the Krebs' Cycle, a process by which organic molecules are oxidized to produce ATP in aerobic life forms.
To know more about photosynthesis
https://brainly.com/question/14297952
#SPJ4
1. What is vital capacity, by definition and value? 2. Define the "respiratory zone". 3. What process is responsible for gas exchange in our lungs? 4. What is the difference between External and Internal Respiration? 5. What is IRV and ERV (define)? 6. How do the DRG and VRG influence or regulate our breathing?
Answers
1. Vital capacity is the total amount of air that can be exhaled after taking a deep breath. The value of vital capacity ranges from 4-5 liters in healthy adult males and 3-4 liters in healthy adult females.
2. The respiratory zone is a part of the respiratory system where gas exchange occurs. It is composed of alveoli and respiratory bronchioles, which allow oxygen to diffuse into the bloodstream and carbon dioxide to diffuse out of the bloodstream.
3. Gas exchange in the lungs occurs through a process called diffusion. Oxygen is transported from the alveoli into the bloodstream, and carbon dioxide is transported from the bloodstream into the alveoli to be exhaled.
4. External respiration refers to the exchange of gases between the lungs and the bloodstream, while internal respiration refers to the exchange of gases between the bloodstream and the tissues.
5. IRV (inspiratory reserve volume) is the amount of air that can be forcefully inhaled after a normal inhalation, while ERV (expiratory reserve volume) is the amount of air that can be forcefully exhaled after a normal exhalation.
6. The DRG (dorsal respiratory group) and VRG (ventral respiratory group) are regions in the medulla oblongata that regulate breathing. The DRG is responsible for initiating inhalation, while the VRG is responsible for controlling the rate and depth of breathing.
To know more about respiratory zone visit:
https://brainly.com/question/29726605
#SPJ11
The interval, in which no stimulus whatsoever can produce another action potential, is known as the __________________.
Answers
Answer:
It is called the absolute refractory period
Explanation: Hope this helps:)........if not I hope you ind what you're looking for:)
Which part of the dna molecule codes for information that is translated into proteins?
Answers
Answer:
Gene
Explanation:
Please find the attachment for detail
Which types of measurement are used to describe quantities of heat and temperature ?
Answers
Answer:
There are three different systems for measuring heat energy (temperature): Fahrenheit, Celsius, and Kelvin. In scientific measures, it is most common to use either the Kelvin or Celsius scale as a unit of temperature measurement.
Explanation:
Hope this helps you!
16-year-old male was brought in experiencing nausea, fatigue, dizziness, and muscle pains in the
cervical, abdominal, femoral, brachial, sural, dorsal, and gluteal regions. Patient also complains of
severe radiating pain in the superior portion of the cephalic region. The patient suffered a short
seizure during his soccer game before being brought to the ER. Further assessment showed an
increased body temperature, rapid pulse, and a superficial rash extending distally brachial to
antebrachial on both upper and lower lateral limbs. Patient is also experiencing intermittent
emesis. Treat with 0. 9% saline IV inserted at manus region to avoid rash, and wait for further test
results.
*manus is hand
Answers
A 16-year-old male was brought in experiencing nausea, fatigue, dizziness, and muscle pains in the cervical, abdominal, femoral, brachial, sural, dorsal, and gluteal regions. The patient suffered a short seizure during his soccer game before being brought to the ER.
Further assessment showed an increased body temperature, rapid pulse, and a superficial rash extending distally brachial to antebrachial on both upper and lower lateral limbs.
The patient is experiencing severe radiating pain in the superior portion of the cephalic region and intermittent emesis. The presenting symptoms along with seizures and rash.
To know more about experiencing visit:
https://brainly.com/question/6895280
#SPJ11
Why is DNA called the universal genetic code?
A.) All DNA is contained in the nucleus of a cell.
B.) DNA has been found on every planet in our universe.
C.) All organisms are made up of DNA which is made up of nucleotides.
D.) DNA is found in animal and plant cells, but not in bacteria.
Answers
Answer: C
Explanation: flvs exam
DNA is called the universal genetic code because, all organisms are made up of DNA which is made up of nucleotides. The nucleotides present in all organism is of the same types but they differ in the arrangements.
What is DNA ?Deoxyribonucleic acid or DNA is the basic unit of the genetic material in every level of living organism. DNA is the hereditary material that is inherited from the parent cells to the daughters cells during reproduction.
A DNA molecule is made of a ribose sugar a phosphate group and a nucleoside. Two such strands are joined together to form a DNA sequence where, the two strands are connected through the nitrogen bases adenine, guanine, cytosine and thymine as a the steps in a stair case.
The helical structure of DNA is same for all kind of organisms however, the arrangement of nitrogen bases differ. Animals, plants, fungi, bacteria, virus, and all other prokaryotes even contain DNA in their cells. Hence it is called the universal genetic code.
Find more on DNA:
https://brainly.com/question/264225
#SPJ7
Consider the following scenario: You are a scientist observing rodents on the Galapagos Islands. You notice that the introduction of new bird of prey has limited the number of rodents. What term best describes the factor that is limiting the number of rodents the environment can support? (1 point) selective pressure fitness variation food supply
Answers
Selective pressure: best depicts the element that is restricting the number of rodents the climate can uphold.
The term "selective pressure" refers to an evolutionary force that makes a particular phenotype more advantageous under specific environmental conditions. Particular tensions are considered elements that impel normal choice-based advancement. Different environments favor certain phenotypes over others.
Selection pressure frequently results in longer lifespans and higher survival rates. They put pressure on us to adjust so that we can live and reproduce in our environment. The process by which we became the species that we are today is known as natural selection, or "survival of the fittest." Selection pressure drives it.
Learn more about Selective pressure here:
brainly.com/question/27996100
#SPJ4
explain the 8 phases of the moon
Answers
Answer:
The moon goes through a cycle of eight distinct phases as it orbits around the Earth. These phases result from the changing positions of the Earth, Moon, and Sun relative to each other. Here are the eight phases of the moon:
New Moon: During the new moon phase, the Moon is positioned between the Earth and the Sun, with the side of the Moon facing us not illuminated. From our perspective on Earth, the Moon appears completely dark.
Waxing Crescent: Following the new moon, a small crescent of the Moon becomes visible. This phase is known as the waxing crescent. The illuminated portion of the Moon gradually increases, but it is still a small fraction of the Moon's total surface area.
First Quarter: As the Moon continues its orbit, the first quarter phase is reached. The Moon appears half-illuminated, with the right half visible from the northern hemisphere and the left half visible from the southern hemisphere.
Waxing Gibbous: After the first quarter, the waxing gibbous phase occurs. During this phase, more than half of the Moon is illuminated, but it is not yet a full moon. The illuminated portion continues to grow larger.
Full Moon: The full moon is reached when the Earth is positioned between the Moon and the Sun. The entire side of the Moon facing Earth is fully illuminated, making it appear as a complete circle.
Waning Gibbous: Following the full moon, the Moon enters the waning gibbous phase. The illuminated portion gradually decreases, but more than half of the Moon is still visible.
Third Quarter: The third quarter phase occurs when the Moon has completed three-quarters of its orbit around the Earth. During this phase, the left half of the Moon is visible from the northern hemisphere, while the right half is visible from the southern hemisphere.
Waning Crescent: The final phase of the moon is the waning crescent. Only a small crescent of the Moon is illuminated, gradually decreasing until it reaches the new moon phase again.
It's important to note that the length of each phase varies, with an average duration of approximately 7.4 days. The specific appearance and timing of each phase can be influenced by factors such as the Moon's position in its orbit and the angle at which sunlight reaches it.
Explanation:
1. New Moon: The moon is not visible during this phase as it is positioned between the Earth and the Sun, with its dark side facing us.
2. Waxing Crescent: A small portion of the moon becomes visible as a crescent shape. It appears as a thin sliver, and the illuminated part gradually increases.
3. First Quarter: Half of the moon is illuminated, appearing as a half-circle. It is called the first quarter because it marks the completion of the first quarter of the lunar cycle.
4. Waxing Gibbous: More than half of the moon is visible, but it is not fully illuminated. The illuminated part continues to grow, and the moon appears larger.
5. Full Moon: The entire face of the moon is visible, appearing as a complete circle. It occurs when the Earth is positioned between the moon and the Sun, so the moon is fully illuminated.
6. Waning Gibbous: The illuminated portion of the moon starts to decrease, and it appears as a shrinking circle. It is called "waning" because the illuminated part is getting smaller.
7. Third Quarter: Similar to the first quarter, half of the moon is visible, but it appears in the opposite half-circle shape. It marks the completion of the third quarter of the lunar cycle.
8. Waning Crescent: Only a small portion of the moon is visible as a diminishing crescent shape. The illuminated part continues to shrink until it becomes a New Moon again, starting the cycle anew.
These phases occur due to the changing positions of the moon, Earth, and the Sun, which affect the amount of sunlight reflected on the moon's surface visible from Earth.
Gated channels are especially important in regulating the transport of ________ across a plasma membrane.
Answers
Gated channels are especially important in regulating the transport of ions across a plasma membrane.
Gated channels are proteins that help in the transport of ions and molecules across the plasma membrane. They are essential in controlling the passage of ions and molecules into and out of cells by regulating ion conductance.
Gated channels can be opened or closed, and their activity is regulated by various factors. In response to specific signals, gated channels allow ions to pass through the membrane, creating a concentration gradient that is used in various physiological processes, such as nerve impulses and muscle contractions.
In other words, gated channels play a crucial role in controlling the movement of ions across the plasma membrane, making them essential in regulating the transport of ions across the plasma membrane.
To know more about gated channels click on below link :
https://brainly.com/question/30550203#
#SPJ11
plz hurry ppppppppppppppppppppplllllllllzzzzzzzzzzzzzzz
Answers
Answer:
what do you need help with.
Explanation:
A city is located in an area that has experienced 7.5-magnitude earthquakes in the past. The city is considering building a new skyscraper.
Use the earthquake magnitude scale to predict the amount and type of damage residents should expect from future earthquakes of similar magnitude. Then suggest a way to minimize the effects of future earthquakes on the skyscraper.
Answers
Answer:
The residents should expect collapsing parts of the building, or even the building itself would collapse if the building cannot hold/not sturdy enough for earthquakes ranging around 7.0m to 7.9m. If the building is built by hills or rocky land, expect landslides to be happening. A way effects of future earthquakes can be minimized is that the building should be constructed with sturdy material (such as steel) so that it can withstand most of the force of a 7.0-7.9m earthquake.
Explanation:
Explain osmosis using this image
Answers
Answer:
A liquid moving from an area of low concentration, to an area of high concentration through a semi-permiable membrane.
Explanation:
Hope this helps :)
Who discovered mercury and what is your source?
Answers
Answer: Sumerians
Explanation: www.whodiscoveredit.com/who-discovered-mercury.html
Answer:
Galileo Galilei first discovered mercury my source https://www.nhm.ac.uk/discover/planet-mercury.html#:~:text=Mercury%20is%20one%20of%20the,Galileo%20Galilei%20and%20Thomas%20Harriot. that link
Explanation:
Hope di helps