In cells performing transepithelial transport (such as cells that constitute a blood-brain barrier), you would find __________ between neighboring cells.

Answers

Answer 1

In cells performing trans-epithelial transport (such as cells that constitute a blood-brain barrier), you would find tight junctions between neighboring cells.

Blood-brain barrier is a semi-permeable membrane of endothelial cells. These barriers strictly regulate the traffic that cross the membrane and reach the brain. The only substances that can cross this barrier are: water, certain gases, and lipid-soluble substances.

Tight junctions are the barriers that are formed between the epithelial and the endothelial cells. Their function is to prevent the leakage of substances through the membrane. They are also known to maintain the polarity of the cells. Proteins like claudin and occludin are involved in these junctions.

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Related Questions

PLZ ANSWERRRR
Can having certain recessive traits help an animal fight against parasitism?

Answers

Answer: yes

Explanation: i hope that helped

what is the episcleral (periscleral) space?

Answers

The episcleral or periscleral space is a narrow area located between the sclera, the tough outer layer of the eye, and the conjunctiva, the thin layer of tissue that covers the sclera and lines the inside of the eyelids.

The periscleral space contains a small amount of fluid called the episcleral or periscleral fluid, which is important for maintaining pressure within the eye.

This pressure, known as intraocular pressure (IOP), is necessary to maintain the shape of the eye and to provide the nutrients and oxygen necessary for the health of the eye's tissues.

The periscleral space is also important for the drainage of aqueous humor, a clear fluid that fills the front of the eye and helps to maintain the IOP.

Aqueous humor is produced in the ciliary body and flows through the pupil into the anterior chamber of the eye, where it is drained out of the eye through the trabecular meshwork and into the periscleral space.

From there, it is absorbed into the bloodstream or the lymphatic system.

Disorders of the periscleral space, such as increased IOP or obstruction of aqueous humor drainage, can lead to conditions such as glaucoma, which can cause damage to the optic nerve and potentially lead to vision loss.

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Help!!!!!!!!!


Difference between sperm and zygote​

Answers

zygote is the diploid cell that results from the fertilization between an egg and sperm

sperm is the male reproductive cell that is responsible for a baby to born

ZYGOTE IS DIPLOID CELL FORM WHEN TWO GAMETE CELLS ARE JOINED BY MEANS OF SEXUAL REPRODUCTION

SPERM IS THE MALE REPRODUCTIVE CELL,OR GAMETE IN ANISOGAMOUS FORMS OF SEXUAL REPRODUCTION.

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Help!!!!!!!!! Difference between sperm and zygote

Which of the following are examples of Swedish massage? Select all that apply

pressing points on the hands, feet, and ears to promote healing in other parts of the body

massaging in order to flush the muscle tissue of lactic acid, uric acid, and other metabolic wastes that create tiredness

using the tips of the fingers to create a rapid, trembling movement as they move back and forth on the skin and apply light pressure

Light and very slow massage that uses fingertips against the skin in elliptical motions in the areas of superficial ganglia

Answers

Swedish massage uses fingertips against the skin in elliptical motions in the superficial ganglia-targeted regions.

What is the name of a Swedish massage?

Swedish massage is one of the massage styles that is most commonly offered. Some refer to it as a conventional form of therapy. By releasing muscular tension, the method seeks to encourage relaxation. Swedish massage is more suitable for those seeking to relax and relieve stress than deep tissue massage because it is gentler.

What are the five fundamental Swedish massage strokes?

Swedish massage uses five fundamental strokes, though not all of them are applied to every part of the body: effleurage (stroking), petrissage (kneading), friction, tapotement (percussion), and vibration.

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The epidermis is composed of; A) stratified squamous epithelium B) layers of areolar tissue C) connective tissue and simple squamous epithelium D) collagen and elastic fibers, smooth muscle tissue, and blood E) simple cuboidal epithelium

Answers

A stratified squamous epithelium composes the epidermis.

The outermost of the three layers that make up the skin is the epidermis; the interior layers are the dermis and hypodermis. Plants have epidermis, which is a single layer of cells that covers their leaves, flowers, roots, and stems. Squamous epithelium is stratified and makes up the epidermis. A single base layer containing stem cells, two to three layers of proliferating basaloid cells in the suprabasal region, and bigger keratinized cells toward the surface make up stratified squamous epithelium. The esophageal squamous epithelium lacks a stratum corneum because it is non keratinizing.

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Pathways that transmit sensory impulses are also called ______ pathways because the information travels from sensory receptors superiorly through the spinal cord to the brain.

Answers

Answer:

Ascending pathway

Explanation:

Sensory pathways are ascending pathways

what action do researchers take to make advances in science?

Answers

They share their experimental results with other researchers

Answer:

They share their experimental results with other researchers.

Explanation:

if they don't share there experience result to each other than it would take time to research. example I. one experiment there would be more than 10 scientist who will research on same thing. so to make eas

mark me brainlist

2. What are the steps of Binary Fission?

Answers

Answer:

see the file attached!!

2. What are the steps of Binary Fission?

Answer:

i hope this helps

Explanation:

lag phase.

log/exponential growth phase.

stationary phase.

death/logarithmic decline phase.

which of the following conditions does not impact the supply of
watermelons

Answers

The condition that does not impact the supply of watermelons is the "demand for other fruits." The supply of watermelons is determined by factors specific to watermelon production, and not by the demand for other fruits.

The condition that does not impact the supply of watermelons is "demand for other fruits."

The supply of watermelons is determined by various factors, such as weather conditions, production costs, availability of resources, and market demand. However, the demand for other fruits does not directly affect the supply of watermelons.

To understand this better, let's break it down step-by-step:

1. Supply and demand: The supply of a product refers to the quantity of that product available in the market at a given time, while demand refers to the quantity of the product that consumers are willing and able to purchase at a specific price.

2. Factors affecting supply: Factors such as weather conditions (such as drought or heavy rain), production costs (such as labor, seeds, fertilizers), and availability of resources (such as land, water) can impact the supply of watermelons. For example, if there is a drought, watermelon crops may fail, resulting in a decrease in supply.

3. Demand for other fruits: While the demand for other fruits, such as apples or oranges, can impact their supply, it does not directly affect the supply of watermelons. Each fruit has its own market dynamics and factors that influence its supply.


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how the skin cells, neurons, muscle cells, and blood cells you have observed relate to the functions of skin, nerve, muscle, and blood tissue?

Answers

Answer:

All the type of cels perform different kind of functions that are specific to them.

Explanation:

Every cell has its own work to do but different cells may have different functions in multicellular organisms, cell with the same type of job often work together.

These groups of specialized cells from tissue in turn, the tissue often group together to form larger units called organs the heart is an organ; so is the stomach.

What information can scientists learn from studying ice cores?

-the composition of the ancient atmosphere

-the diet of early mammals

-the amount of solar radiation received in a specific location

-changes in the height of sea level

Answers

Scientists can learn several pieces of information from studying ice cores, including.

What are iron cores ?

Ice cores offer a record of the gases that have been present in the atmosphere across time, including concentrations of carbon dioxide, methane, and other trace gases. Scientists can discover information about past climate conditions and how they changed through time by examining the gases trapped in the ice.

Ice cores give a record of previous climate conditions, including temperature, precipitation, and wind patterns, for a specific region. Scientists can learn about past climate conditions, how they changed over time, and how they compared to the ones today by examining the ice.

Ice cores can reveal information regarding the amount of solar radiation that was received at a particular area. This can be used to forecast future weather conditions as well as comprehend past weather patterns.

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Which process is being shown at label C?

Answers

?????? there is no process or any picture for me to answer this

QUESTION 4:
Inside a neuron, acetylcholine is contained within __________.
a. the motor end plate
b. the synaptic cleft
c. acetylcholine receptors
d. vesicles

Answers

Inside a neuron, acetylcholine is contained within option (d) vesicles. These vesicles store and release neurotransmitters like acetylcholine, which are important for facilitating communication between neurons and other cells.

Acetylcholine is a neurotransmitter that is responsible for the transmission of nerve impulses between neurons and muscles. It is contained within vesicles inside the neuron. Vesicles are tiny sacs that are responsible for storing and releasing neurotransmitters like acetylcholine. When an action potential reaches the end of the axon, it triggers the release of acetylcholine from the vesicles into the synaptic cleft. The synaptic cleft is the small gap between the axon terminal and the next neuron or muscle cell. Once released, acetylcholine binds to the acetylcholine receptors on the surface of the next neuron or muscle cell, leading to the generation of a new action potential. In summary, acetylcholine is contained within vesicles inside the neuron and is released into the synaptic cleft to bind to acetylcholine receptors on the next cell, leading to the transmission of nerve impulses.

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lololololololololololololohi

Answers

Answer:

lololoolol

Explanation:

loloololo

( ENVIRONMENTAL SCIENCE DUE TODAY)

Some people argue that because Earth's resources are ultimately limited, nonstop economic growth is
A. not a problem
B. inevitable.
C. not sustainable.
D. highly desirable.

Answers

Answer:

Highly Desirable. D

Explanation:

Hope this is correct. Good luck.

adaptation in sexual populations is facilitated by: linking beneficial mutations that originated in distinct lineages. unlinking of deleterious and beneficial mutations. genetic variation arising from new combinations of alleles. g

Answers

The advantage of gender comes because physically generated progeny are more fitness variable, allowing for quicker adaptability, as predicted by theory.

Preservation on pre-existing genetic differences & selection on new mutations are the two unique ways that population adapt to novel environments. These additional sources of advantageous alleles may have different evolutionary processes and have different genetic results. Adaptation is characterised by a pattern of diminishing marginal returns, in which early substituents have large fitness effects as well as later ones have smaller effects, according to DNA sequence modeling techniques of adaptation. The advantage of gender comes because physically generated progeny are more fitness variable, allowing for quicker adaptability, as predicted by theory.These models also predict that adaptation must involve mutations with relatively large fitness effects. a biological trait that has a heritable base, is improved by natural selection, and helps with reproduction and/or survival. Therefore, the main problem is to articulate the benefits of sexual difference.

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Which enzymes are secreted only by the pancreas

Answers

The enzyme that is  secreted only by the pancreas is lipase which is involved in the digestion of lipids.

What is pancreas?

The pancreas is one of the organs in the body that is intimately involved in metabolism. This occurs by the secretion of certain hormones that are intimately responsible for the breakdown of food such as;

LipidsProteinsCarbohydrates

The enzyme that is  secreted only by the pancreas is lipase which is involved in the digestion of lipids.

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How do you treat thigh muscle pain?

Answers

You can treat thigh muscle pain by lying on your back, and lifting one leg toward your chest to stretch the back of your thigh. Behind your knee, place your hands.

It is essential to regain movement and strength following any thigh problem. This will assist you in getting back in shape and supports tissue healing. It's possible that you won't be able to get back to your usual exercise routine right away, and progress may be slow at first. You should feel a stretch in the back of your sore thigh as you gently pull your leg closer to your chest. Return your leg to the bed after holding it for up to ten seconds.

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Which organ system collects, transfers, and processes
information?

Answers

Answer:

Its your nervous system. I searched it up because I was pretty sure it wasn't the Brain

Muscular- Provides movement, support, and heat production

Nervous- Collects, transfers, and processes information and directs short-term change in other organ systems

please help ASAP!!!!!!! giving 20 points!!!!!!

please help ASAP!!!!!!! giving 20 points!!!!!!

Answers

I know paramecia are living things because they respond to their environment.

What are paramecia?

A paramecium is a tiny one-celled (unicellular) living thing with the ability to move, eat, and reproduce.

They are a member of the kingdom of Protista, a collection (family) of related living microorganisms.

A microorganism refers to a very tiny live cell.

They are tiny, one-celled, and self-replicating protozoans.

Since most species are simple to grow in a lab, they make excellent model organisms and are suitable for biological research.

They usually have an oblong or slipper form and are covered in tiny hairy structures known as cilia.

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which of the following are characteristics of allosteric enzymes like atcase? choose the three that apply. allosteric enzymes: select 3 correct answer(s) question 4 options: may have binding sites for regulatory molecules that are separate from active sites. are generally small, single-subunit proteins. interconvert between a more active form and less active form. conform to michaelis-menten kinetics tend to have a sigmoidal (s-shaped) curve of v0 vs. [s].

Answers

Allosteric enzymes may have binding sites for regulatory molecules that are separate from active sites, interconvert between a more active form and less active form, and tend to have a sigmoidal (s-shaped) curve of v0 vs. [s]. This implies that the three characteristics of allosteric enzymes like atcase are A, C, and E.

An allosteric enzyme is an enzyme that changes its structure in response to a molecule binding to a site different from its active site, resulting in a change in activity. The regulatory site is not the same as the active site in this case. In allosteric enzymes, the catalytic activity of an enzyme is controlled by the binding of a molecule to a site that is not the active site, which is known as an allosteric site. Allosteric enzymes are regulated by small molecules, which may either activate or inhibit the enzyme. These molecules are known as allosteric modulators. Based on the characteristics mentioned above, the following are the characteristics of allosteric enzymes like atcase:- Allosteric enzymes may have binding sites for regulatory molecules that are separate from active sites.- They interconvert between a more active form and less active form.- They tend to have a sigmoidal (s-shaped) curve of v0 vs. [s].Therefore, the three characteristics of allosteric enzymes like atcase are A, C, and E.

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Which is the first step that geological must do to compare rock layers at distant locations.

A. Find the absolute age of rocks at both locations

B. Compare a layers at one location to layers at other locations

C. Identify index fossils in one or more layers at one locations

D. Collect fossil from different locations to study the organisms lifestyles

Answers

The correct answer is B!

Answer:

B. Compare a layers at one location to layers at other locations.

Explanation:

Hope it helps.

A student makes a model of the universe using cubes and rods, as shown.
Each cube
represents
a galaxy.
Each rod represents
the space between
two galaxies.
How should the student change the model to show the expansion of the universe?
Decrease the sizes of the cubes, and decrease the lengths of the rods.
Increase the lengths of the rods, and leave the sizes of the cubes the same.
Increase the sizes of the cubes, and leave the lengths of the rods the same.
Increase the sizes of the cubes, and decrease the lengths of the rods.

Answers

Answer:

Decrease the sizes of the cubes, and decrease the lengths of the rods.

Explanation:

A student makes a model of the universe using cubes and rods, as shown.

A student makes a model of the universe using cubes and rods, and the student changes the model to show the expansion of the universe by increasing the lengths of the rods and leaving the sizes of the cubes the same as in the second option.

What is the significance of the universe?

The universe is vast, and its full extent is unknown; it contains all galaxies, the solar system, and so on, and it is significant because all the exchange of matter and energy takes place here, and the living form depends on this energy. Apart from scientific theories, there are several philosophical and religious perspectives that are based on the universe.

Hence, a student makes a model of the universe using cubes and rods, and the student changes the model to show the expansion of the universe by increasing the lengths of the rods and leaving the sizes of the cubes the same as in the second option.

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Which statement below is true regarding DNA
or RNA?

A)There are uracil nitrogen bases in DNA.

B)A DNA molecule can include the nitrogen bases of
A, U, G. and C.

C)DNA can be found both inside and outside the
nucleus.

D)A RNA molecule can include the nitrogen bases of
A, U, G. and C.

Answers

Answer:

B)A DNA molecule can include the nitrogen bases of A, U, G. and C.

Explanation:

DNA, or deoxyribonucleic acid, is a double-stranded molecule that contains the genetic instructions for the development and function of all living organisms. The structure of DNA is made up of two strands of nucleotides, which are the building blocks of DNA. Each nucleotide is composed of a sugar molecule, a phosphate group, and one of four nitrogenous bases: adenine (A), thymine (T), guanine (G), and cytosine (C). These four bases are the "letters" that spell out the genetic code in DNA.

RNA, or ribonucleic acid, is a single-stranded molecule that plays a central role in the biochemistry of cells, serving as a template for the synthesis of proteins. RNA is very similar to DNA, but there is one key difference: RNA contains the nitrogenous base uracil (U) instead of thymine (T). So the bases are A, U, G, and C.

So statement B is true that DNA molecules can include the nitrogen bases of A, T, G, and C, and statement D is false as RNA molecules can include the nitrogen bases of A, U, G, and C.

please help me to answer this question
How do you think this process differs for creating reproductive cells (sperm and egg?)

Answers

Answer:

what process

Explanation:

imaging of sn-2 lipase-labile phospholipid prodrug in cells using fluorescence lifetime and super-resolution microscopy

Answers

The imaging of sn-2 lipase-labile phospholipid prodrug in cells using fluorescence lifetime and super-resolution microscopy is a technique that allows for the visualization and analysis of the prodrug's behavior and localization within cells at high resolution.

The technique of imaging sn-2 lipase-labile phospholipid prodrug in cells using fluorescence lifetime and super-resolution microscopy allows for high-resolution visualization and analysis of the prodrug's behavior and localization within cells. Fluorescence lifetime imaging (FLIM) measures the decay time of fluorescent molecules, providing information about their environment and interactions. Super-resolution microscopy surpasses the diffraction limit of traditional microscopy, enabling higher resolution imaging. By incorporating the prodrug into cells, researchers can study its localization and behavior.

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A study was conducted to determine if smoking cigars is associated with tongue cancer. Of the 500 individuals with tongue cancer, 450 were cigar smokers; of the 1,000 without tongue cancer, 450 were cigar smokers.
a) Create a 2x2 table
b) How many people smoked cigars and did not have tongue cancer?
c) How many people did not smoke cigars and did not have tongue cancer?
d) Calculate the odds ratio
E) Interpret the odds ratio

Answers

a) The 2x2 table for the study:

Tongue Cancer    No Tongue Cancer

Cigar Smokers         450                450

Non-Smokers           50                 550

b) Number of people who smoked cigars and did not have tongue cancer: 450.

c) Number of people who did not smoke cigars and did not have tongue cancer: 550.

d) The odds ratio is 11.

e) Interpretation: Cigar smokers are 11 times more likely to develop tongue cancer compared to non-smokers.

a) The 2x2 table for the study is as follows:

Tongue Cancer    No Tongue Cancer

Cigar Smokers         450                450

Non-Smokers           50                 550

b) The number of people who smoked cigars and did not have tongue cancer is 450.

c) The number of people who did not smoke cigars and did not have tongue cancer is 550.

d) To calculate the odds ratio, we use the formula: (ad)/(bc), where a is the number of cigar smokers with tongue cancer, b is the number of non-smokers with tongue cancer, c is the number of cigar smokers without tongue cancer, and d is the number of non-smokers without tongue cancer. In this case, the odds ratio is:

(450 * 550) / (50 * 450) = 550 / 50 = 11

e) The odds ratio of 11 indicates that individuals who smoke cigars are 11 times more likely to develop tongue cancer compared to those who do not smoke cigars. This suggests a strong association between cigar smoking and tongue cancer. It is important to note that the odds ratio only indicates the strength of association and does not establish causation. Other factors, such as lifestyle, genetics, and other smoking habits, may also contribute to the development of tongue cancer. Further research and analysis would be required to determine the causal relationship between cigar smoking and tongue cancer.

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Do some tissues contain more catalase than others?

Answers

Answer:

liver

Explanation:

The enzyme is found in most tissues of the various organisms examined. In mammalian tissues there is considerable variation, with catalase concentration being highest in liver and erythrocytes and lowest in connective tissue.

The right answer to this really good like super good question is obviously liver

Who is and who is not recommended to receive a flu vaccine? Why do these recommendations exist?
Why is it important for the CDC to update its flu vaccination recommendations each year?

Answers

All persons aged 6 months of age and older are recommended for annual flu vaccination, with rare exception. Vaccination is particularly important for people who are at higher risk of developing serious flu complications. People who can get the flu shot: Flu shots are appropriate for most people.

has experienced shortness of breath during the last 3 months. A magnetic resonance scan found a small endocrine-secreting mass centrally located in her chest. This mass most likely represents a mass of which gland?

Answers

Answer: Thymus gland

Explanation:

The thymus gland is an endocrine gland that is located in the upper part of the human chest. It is responsible for producing white blood cells. This gland is located near the airway. The enlargement of the thymus gland can suppress the nearby structures. This may result in shortness of breath, and cough along with sputum. The thymus gland produces several endocrine hormones like thymopoietin and thymulin.

The given condition is indicative of the mass of the thymus gland.

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Now it is time to build upon your first report tomanagement. In a 3 - 4-page report share your journeyand ideas to the management team to further foster improvements." what name a country that very comfortable with the comfort of silence When writing the next few lines of dialogue, Dominique should be certain that the lines provide clues about what will happen later on in the narrative. contain made-up details that make the story more exciting. include everyday language that seems real and natural. use precise words that make both men sound educated. What does the judicial branch do? *A) Authorizes military action.B) Decided if a law goes against the Constitution.C) Write and pass new legislation.D) Local law enforcement. i need helpppppp i have no idea what im looking at lol Which word means a machine that examines rocks?1. lithoscope2. graphoscope3. lithograph4. graphophone Which of the following best illustrates the theme of family unity? Estimate the perimeter and he area of the shaded figure. what percentage of all crimes in the united states are committed by teenagers? Does laughing tone up your face? F(t) = 200(0.95)^tWhat is the rate of change? A sample of a radioactive substance decayed to 95.5% of its original amount after a year. (Round your answers to two decimal places.) (a) What is the half-life of the substance? (b) How long would it take the sample to decay to 5% of its original amount? Randomly question: what do I have to major in to learn more abt feminism and women's history? What is The Humane Society of North Central Florida's mission? * The sentence below is written incorrectly. Correct the error and explain why you made those changes.Either of us are interested in babysitting for Mrs. Martin. Can someone please explain how you do this step by step? (1 point) consider the linear system y =[3624]y . y=[3264]y. find the eigenvalues and eigenvectors for the coefficient matrix. Which of the following muscles belongs to the group known as "hamstrings"?(a) Biceps femoris(b) Semimembranosus(c) Semitendinosus(d) Gracilis(e) All of the above. Of the 8 parent functions discussed. Select ALL of the parent functionsthat have 180 degree rotational symmetry around the point (0,0) did chris hemsworth gain weight for avengers endgame