Is receptor mediated endocytosis active or passive.

Answers

Answer 1

Receptor-mediated endocytosis is an active transport mechanism in which extracellular molecules are absorbed into the cell via the inward budding of plasma membrane vesicles that contain receptors specific to the ligand being internalized.

Receptor-mediated endocytosis is an active process in which a cell absorbs external molecules such as enzymes, hormones, and plasma proteins by inwardly budding plasma membrane vesicles containing receptors specific for the ligands being internalized. The transport is defined as active transport because the energy required to carry out the process comes from the hydrolysis of ATP molecules.

The internalized vesicles pinch off from the plasma membrane and enter the cytoplasm as endosomes. The contents of the endosomes are transported to lysosomes where they are broken down and recycled.In conclusion, receptor-mediated endocytosis is an active transport mechanism that requires energy to carry out the inward budding of plasma membrane vesicles that contain receptors specific to the ligand being internalized.

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Related Questions

A student working on their science experiment places four potato squares into solutions of Iodine and measures how far the Iodine diffuses into the potato. The measurements are: 2.1 mm, 1.8 mm, 2.3 mm, and 2.2 mm. What is the average diffusion distance?

Answers

Answer:

The average diffusion distance is 2.1 mm

Explanation:

Given

Diffusion distance of the four potato squares are;

\(Potato 1: 2.1 mm\\Potato 2: 1.8 mm\\Potato 3: 2.3 mm\\Potato 4: 2.2 mm\)

Required

Average Diffusion Distance

To calculate the average diffusion distance; we simply calculate the mean of the student recordings

Mean is calculated as thus;

\(Mean = \frac{\sum x}{n}\)

Where x is the individual distance of the potato squares

\(\sum x = 2.1 mm + 1.8 mm + 2.3 mm + 2,2 mm\)

\(\sum x = 8.4mm\)

n is the number of potato squares

n = 4

\(Mean = \frac{\sum x}{n}\)

\(Mean = \frac{8.4 mm}{4}\)

\(Mean = 2.1 mm\)

Hence, the average diffusion distance is 2.1mm

Without lateral rotation of the humerus by the teres minor and infraspinatus muscles, the maximum angle of abduction by the deltoid would be __________.

Answers

90 degrees would be the maximum angle of abduction by the deltoid if there' no lateral rotation of the humerus by the teres minor and infraspinatus muscles.

The infraspinous fossa of the scapula is largely occupied by the thick, triangular infraspinatus muscle. It is a component of the rotator cuff, and the acronym "SITS" is frequently used to recall it (supraspinatus, infraspinatus, teres minor, subscapularis).

The glenohumeral joint, which supports the stability and motion of the shoulder joint, is formed by these muscles. The arm's whole range of motion is greatly influenced by the capacity to abduct the arm. The serratus anterior, deltoid, trapezius, and supraspinatus are the four muscles that are in charge of this motion.

Abductions of 15 to 90 degrees are controlled by the deltoid. The scapula, trapezius, and serratus anterior work in concert to permit abduction of the arm up to 90 degrees.

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Question correction:

Without lateral rotation of the humerus by the teres minor and infraspinatus muscles, the maximum angle of abduction by the deltoid would be __________.

75 degrees90 degrees180 degrees30 degrees

The COG of the whole body is relevant for monitoring physiological changes in spaceflight, when fluid shifts and other changes in bone/muscle mass can occur. Hov would you measure the center of mass of a person in microgravity?

Answers

Measuring the center of mass (COM) of a person in microgravity can be challenging since traditional methods used on Earth may not be applicable.

Motion capture systems: Utilizing motion capture technology, markers can be attached to various body segments to track their positions. By analyzing the movement of these markers during specific activities, such as walking or performing exercises, the center of mass can be estimated based on the motion data.Force plate measurements: Force plates can be used to measure the ground reaction forces exerted by a person during different movements. By combining this information with data on the person's body segment masses, moments, and orientations, it is possible to estimate the COM.Inertial measurement units (IMUs): IMUs consist of sensors that can measure acceleration, angular velocity, and orientation. By attaching IMUs to specific body segments, the motion and orientation data can be used to estimate the COM.Imaging techniques: Advanced imaging techniques, such as magnetic resonance imaging (MRI) or computed tomography (CT) scans, can provide detailed information about the distribution of body mass. By analyzing these images, the COM can be estimated.

It's important to note that measuring the COM accurately in microgravity poses unique challenges due to the absence of gravitational forces. Researchers and engineers continuously develop and refine techniques to improve the accuracy of COM estimation in such conditions.

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The change in an ecosystem that happens when one community replaces another as a result of changing abiotic and biotic factors is called.

Answers

Answer:

ecological succession

Explanation:

A body of fresh water is shown below.
B
Which point in this body of water is most likely to be in the photic zone?
A. Point D
B. Point B
C. Point A
D. Point C

A body of fresh water is shown below.BWhich point in this body of water is most likely to be in the photic

Answers

Answer:

Point B

Explanation:

Point B is getting the most light and is closet to the surface

Point B is getting the most light and is closet to the surface.

What is Photic zone?

The daily cycle of light and dark in the photic zone of the world's oceans is maybe the most potent environmental signal accessible. Russell's suggestion that zooplankton resided in depths with the best light intensity was one of the early reports to propose that light had a major role in vertical migration.

He went on to say that as animals strayed from this zone of ideal light intensity, physiological responses governed by photochemical systems prompted them to come back.

Subsequent reviewers came to the conclusion that there was a lot of (although speculative) evidence that light had a substantial role in controlling fish's vertical migration.

Therefore, Point B is getting the most light and is closet to the surface.

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the macronutrient which supplies glucose, that cells use as the major energy source to fuel your body is

Answers

The macronutrient that supplies glucose, the major energy source used by cells to fuel the body, is carbohydrates.

Carbohydrates play a vital role in providing energy to the body. When consumed, carbohydrates are broken down into glucose during digestion. Glucose is a simple sugar that serves as the primary source of fuel for cells, including brain cells, muscles, and other tissues.

Once glucose is absorbed into the bloodstream, it is transported to cells throughout the body. Inside the cells, glucose undergoes a series of metabolic reactions, particularly in the mitochondria, to produce adenosine triphosphate (ATP), which is the energy currency of cells. ATP fuels various cellular processes, such as muscle contractions, nerve impulses, and the synthesis of molecules needed for cellular functions.

Carbohydrates can be obtained from various food sources, including grains, fruits, vegetables, and dairy products. It is important to consume an adequate amount of carbohydrates in the diet to provide the necessary glucose for energy production and overall bodily functions.

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the normal endocrine controls can be directly overridden by the __________ system.

Answers

The normal endocrine controls can be directly overridden by the nervous system.

Numerous physiological processes, particularly those connected to endocrine function, are tightly regulated by the nervous system. Direct brain connections, by stimulating or inhibiting particular glands or organs involved in hormone synthesis, or both, can affect hormone secretion and release. Rapid and dynamic modifications are possible in response to shifting environmental cues or internal circumstances because of the nervous system's capacity to alter and override endocrine regulation.

The lower central region of the brain contains the hypothalamus (hi-po-THAL-uh-mus). It connects the nervous system and endocrine system. Chemicals produced by nerve cells in the hypothalamus regulate the release of hormones generated by the pituitary gland.

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explain three basic requirement of respiration?​

Answers

Glcolysis,the citric acid cycle,and oxidative phosphorylation.

Hope its help you Friend's


Which lifestyle choices lead to good health? Check all that apply.
❎smoking tobacco
❎eating foods high in sugar
✅exercising daily
✅eating a balanced diet
✅avoiding tobacco

Answers

Answer:

Yes, you are correct! C,D and E are correct

Answer:

the last 3 are all healthy lifestyles.

Explanation:

because the top 2 are bad for your lungs and blood works. im in human services so this is how i know. so you are correct.

this was a kinda vague answer but it gets the point across :)

How is the rate of diffusion affected by:
(a) Temperature?
(c) Surface area to volume ratio?
The following experiment was set up to​

Answers

Answer:

a

Explanation:

dahil blahnik balh hahahahahahahahaha iyut lang yan

NÊU ÍT NHẤT 3 BIỆN PHÁP ĐỂ PHÒNG TRÁNH CÁC ĐẠI DIỆN GIUN TRÒN KÍ SINH VÀO CƠ THỂ

Answers

Hugh habrán Harvard king

which of the following words is on the same page as guide words mongoose and monochrome? a. mojo b. monkey c. money d. molten

Answers

The word "monkey" is on the same page as the guide words "mongoose" and "monochrome." So, option B is accurate.

Guide words in a dictionary are found at the top of each page and provide the first and last entry words on that page. In this case, "mongoose" is the first guide word and "monochrome" is the last guide word on a specific page. The word "monkey" falls alphabetically between "mongoose" and "monochrome" and would therefore be on the same page. The other options, "mojo," "money," and "molten," do not fall between "mongoose" and "monochrome" alphabetically and would be found on different pages in the dictionary.

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spread the word about reducing air and water pollution in your community. Design a digital flyer, brochure, or handout to help residents understand the importance of air and water quality. Your product should be both informative and visually appealing. Be sure to include supporting details and cite the sources you used. When you have finished, use the Insert Image button to upload it to the answer space.

( I just need it in writing. )

Answers

To create a digital flyer on the benefits of reducing air and water pollution, it is essential to include sources for greater reliability.

How to reduce water and air pollution?

There are simple measures that can be implemented in a community to improve air and water quality, such as:

Reduce the use of plastic.Carry out the correct disposal of oil.Recycle personal waste.Discard medications correctly.Use more sustainable transport.

Therefore, the digital flyer should explain the importance of promoting sustainability to increase the quality of life and balance of ecosystems.

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what is the specific role of the enzyme indicated by b during the formation of the new dna strands?

Answers

Joining the nucleotides that form the new DNA strand is the specific role of the enzyme indicated by b during the formation of the new dna strands.

  DNA polymerase catalyzes formation of bonds between sugar groups and phosphate groups that link the DNA nucleotides together.

DNA and RNA's fundamental building units are nucleotides. They can move genetically. Enzymes need coenzymes called nucleotides to catalyse a range of biological processes. Our body uses ATP to store energy. They also take involved in metabolic processes, enzyme activity, and cell signalling.

One of the structural components, or building blocks, of DNA and RNA is the nucleotide. A nucleotide is made up of a base (one of the four compounds: adenine, thymine, guanine, or cytosine), a sugar molecule, and a phosphoric acid molecule. A nucleotide is also called as a "nucleoside monophosphate," "nucleoside diphosphate," or "nucleoside triphosphate" when all three are connected, depending on how many phosphates are in the phosphate group.

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2-3 TRUE/FALSE: This enzyme activity IS showing hydration synthesis trying to learn please help to identify

Answers

Answer:

The answer is FALSE

Explanation:

Im doing to same class

hich statement best describes the percentage of plagioclase feldspars in a sample of gabbro? * 2 points a. gabbro always contains less plagioclase than pyroxene b. gabbro contains no plagioclase feldspars c. plagioclase feldspars always make up 25% of a gabbro sample d. the percentage of plagioclase feldspar in gabbro can vary

Answers

The statement that best describes the percentage of plagioclase feldspar in gabbro samples is that the percentage of plagioclase feldspar in gabbro can vary.

The true choice is D

Gabbro is a deep igneous rock, generally black, its minerals are coarse to medium-grained, and its specific gravity is 2.9 -3.21. The composition and percentage of its forming minerals is plagioclase (labradorite or bytownite) 70-45%, mafis minerals 2-50%, So the percentage varies.

The structure of the gabbro rock is massive, there are no cavities or air holes, or cracks. These rocks are fresh and have never been exposed to endogenous forces that can leave cracks in the rock. This rock has a faneric texture because the minerals can be seen directly with eye and large minerals indicate that these minerals were formed at a relatively slow freezing temperature so that the minerals form in large sizes.

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in what tissues, cells and organ does ependymoma first start

Answers

It begins in the spinal cord or brain

If the sun is so massive, why does the Earth have a greater pull on the moon than
the sun does?

Answers

Answer:

Even though the sun is much more massive and therefore has stronger overall gravity than the moon, the moon is closer to the earth so that its gravitational gradient is stronger than that of the sun

Describe an approach for understanding global systems and the chages they undergo.

Answers

Answer:

I definitely agree with the person above seems like a legit well thought out awnser

Which process is the main source of this movement?

Answers

Answer: hitting the energy from the sun

Explanation:

Answer:b

Explanation:movement ocean

Lab: Magnetic and Electric Fields
Assignment: Lab Report

Answers

According to the attachment, magnetic and electric fields are generated by electromagnetic forces that can be proved by hypothesis testing, it is recorded in the lab report.

What is the scientific method?

The scientific method is a series of steps to obtain information about a given question from the real world.

Hypothesis testing refers to the design of an experiment to confirm or reject a plausible explanation about a natural phenomenon.

In this case, the hypothesis may be 'Earth contains in its core geomagnetic forces'.

Moreover, a lab guide is a handbook where we can record the information after the experimental procedure.

The key results are finding obtained from experimentation that can be used to confirm or reject my working hypothesis.

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Answer:

lab report attached

Explanation:

1. Does this equation represent a physical or chemical change?

2. Give one reason that supports if this is a physical or chemical change.

3. Does this chemical reaction follow the Law of Conservation of Matter?

4. Give one reason that supports if this chemical reaction follows the Law of Conservation.


1. Does this equation represent a physical or chemical change? 2. Give one reason that supports if this

Answers

Answer:

1. Chemical change.

2. Chemical components have been ingerchanged and new products have been formed this explains the change in the chemical properties of the reactants.

3. Yes, it does.

4. Because the sum of the mass of the reactants is equal to sum of the mass of the products.

What organism found in soil is
responsible for turning nitrogen
compounds back into atmospheric
nitrogen?
A. Plants
B. Bactería
C. Producers

Answers

Answer:

Bacteria

Explanation:

Bacteria and fungi in the soil is responsible for turning nitrate into nitrogen gas, which will reenter the atmosphere

Explain two ways in which water’s properties help sustain life.

Answers

Answer:

Water is essential for all living things. Water's unique density, high specific heat, cohesion, adhesion, and solvent abilities allow it to support life.

Explanation:

Answer:

Two ways that water's properties help sustain life would be water’s high heat assists animals by helping regulate their body temperatures as they sweat or pant, and water is essential for all living things.

Explanation:

just took the test

A cork float a distance of 8. 75 meters down river after a period of 3. 5 hours what is the average speed? Help!! Please

Answers

2.5 m.p.h. When tiny ripples cross the water's surface, the cork moves vertically up and down. A piece of cork begins to float up from resting at the lake's bottom.

Plotting its velocity v versus time t. Due to the non-volatile impurity it contains, its freezing point will be below zero degrees Celsius. The floating body has no apparent weight. It turns out that the weight of the fluid displaced by the object equals the buoyant force. Use the phrase: for issues like these. Distance travelled divided by time equals average speed. Therefore, the average speed is 8.75 / 3.5, or 2.5 m.p.h.

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what would happen if H2O was removed from the plants environment

Answers

Answer: Plants would Die

Explanation: Plants need water to make food for themselves when they preform photosynthesis and without water the plant will shrivel up and die

340 million square meters of forest is how many hectares?
one hectare = 10000 square miles
use dimensional analysis
PLS HELP LOL

Answers

The answer would simply be 34,000. If each hectare is 10,000, you would then divide 340 million by 10,000 which is 34,000.

The earth is perfectly round at the poles.


TrueFalse

Answers

Answer:

false the earth poles at north and south are broad and the sides are round so , Earth is called oblate spheroid. So answer is false

Answer:

It's answer is False :)

Explanation:

plz mark me as brainliest

Each trait of a plant is determined by

an allele

one gene

a pair of genes

one dominant gene

Answers

Answer:

A pair of genes

Explanation:

Answer:

a pair of genes

Explanation:

Most of the functions of a cell membrane, including transport and enzymatic function, are performed by.

Answers

Whereas the lipid bilayer determines the basic structure of biological membranes, proteins are responsible for most membrane functions, serving as specific receptors, enzymes, transport proteins, and so on. Many membrane proteins extend across the lipid bilayer.

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