The property of the cell membrane is permeable; some substance can permit through it spontaneously, but others cannot. Small and nonpolar molecules can easily pass through the membrane, but stimulates ions and fat molecules such as proteins and sugars are streaked channel. Estrogens are fat-soluble which muddles to steroid hormone receptor to penetrate the cell membrane.
Estrogen is able to passively cross the plasma membrane due to its hydrophobic property. The hormone, being a type of small hydrophobic ligand, dissolves in the lipid bilayer's hydrophobic interior, enabling it to cross the membrane and bind to intracellular receptors.
Explanation:The characteristic of the plasma membrane that permits estrogen to passively cross it is its hydrophobic property. The plasma membrane is a lipid bilayer composed of both hydrophilic and hydrophobic parts, but the inside of the membrane, where the fatty acid tails are present, is hydrophobic. Molecules such as estrogen, which are also hydrophobic, can dissolve in the hydrophobic interior and cross the membrane.
Estrogen, being a steroid hormone, is an important member of a group called small hydrophobic ligands. These ligands can diffuse directly through the plasma membrane and interact with internal receptors. To illustrate, once estrogen is circulated in the bloodstream, it releases from its carrier protein and passes through the plasma membrane of the target cell, where it binds to receptors within the cytoplasm or nucleus. This binding triggers cell signaling pathways that regulate specific genes on the cell's DNA, thus altering gene expression and, ultimately, the cell's function.
The plasma membrane's selective permeability, fluidity, and incorporation of molecules like cholesterol all aid in this process of passive transport.
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Most ______ immunizations must be re-administered on a regular basis.
Artificial, i think
Which long-term health condition is strongly associated with tobacco use? cancer bronchitis weight loss type 1 diabetes?
That addictive behaviors produce the same brain responses that follow drug abuse. in both cases, several regions deep inside the brain release a chemical called _______________, which attaches itself to receptors throughout the brain that in turn produce an intense flush of pleasure.
You are dispatched to the scene of an assault with police on the scene. you arrive to find a 28-year-old female victim who received a blow to the side of the neck with a blunt object and was robbed. the patient is sitting on the curb, conscious and well oriented, but is sobbing inconsolably. a bystander is holding a jacket on the patient's open wound but is not in control of the bleeding. the patient has a respiratory rate of 16 and a radial pulse of 92. which initial treatment step would be most appropriate?
A food allergy is the likely result of the absorption of intact _____.
Briefly describe the structure of cardiac muscle
Here is a picture of the Amazon rain forest. Which aspect of this rain forest is a zoologist likely to study? A. Animals living in the trees of the rain forest B. Plants in the rain forest C. Bacteria in the rain forest D. Humans using the plants of the rain forest
Answer:
the anwser is A
Explanation:
Which adaptation do skunks hornets and coral snakes have in common?
____ order arranges labels in reverse alphabetical order, from z to
a.
Descending order makes the alphabet go from z to a and it is in the reverse order. It is same like going in the backward direction.
What is the number of total alphabets ?
There are 26 letters in the alphabets of English language.
It is the same way where the backward direction just like 10, 9 , 8, 7, 6 and so on.... in the other way it is z, y, x and so on....
In the reverse numerical order it is the same way it is happening in the case of alphabets.
Descending order is the order in which the bigger thing comes first and then the other order where the things are arranged in the same pattern like the biggest size of the animals goes like whale then the elephant and at last comes up the micro organisms.
Ascending order is the order in which the smallest ting comes up in the very first and then the series goes on increasing where the micro organisms will come first and then the elephants turn comes up.
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The cutaneous sensory receptors that reside in the skin are actually part of the
What is an important characteristic of waxes, and why is this valuable to living things?
The structure that is associated with movement, orientation, recognition, perception of stimuli and is the portion of the brain labeled
e. it is called the
Answer: frontal lobe
Answer:D) Occipital Lobe
Explanation: The occipital Lobe is located in the back
Why is it not correct to say that matthew 23 is anti-semitic?
Antisemitism is aggression to, bias, or discernment counter to the Jews. An individual who grips such points is termed as an anti-Semite. Antisemitism is usually measured to be a kind of racism. It is not correct to say this is anti-Semitic because Jesus displays remarkable respect for the authority of the Jewish leaders and the Law they were assigned to support.
in the kidneys both useful substances and wastes are removed from blood by
The nurse hears a pregnant client yell, "oh my! the baby is coming!" after placing the client in a supine position and trying to maintain some privacy, the nurse sees that the neonate's head is being born. what should the nurse do first?
Answer:
To check for the presence of cord around the neonates neck.
Explanation:
In such a case as given in the question where the neonate's head is already delivering, the first action by the nurse should be to check for the presence of a cord around the neonate's neck.If the nurse finds out that a cord is present around the neonate's neck then she should gently remove it from around the neck. Further, the nurse should tell the mother to breathe gently and avoid any forceful movements and should start preparing for the delivery immediately.Which drug acts an estrogen receptor modulator? testolactone tamoxifen anastrozole fluoxymesterone?
The drug that acts as an estrogen receptor modulator is tamoxifen.
A selective estrogen receptor modulator (SERM) is a drug that blocks the effects of the estrogen hormone by binding estrogen receptors.These drugs (SERMs) represent the most commonly used drugs as therapy for women during menopause.Tamoxifen is a nonsteroidal SERM is used for the treatment of patients with breast cancer. This drug (tamoxifen) attaches to estrogen receptors in breast cancer cells, thereby stopping cancer cells from obtaining the hormone they need to grow in an uncontrolled manner.In conclusion, the drug that acts as an estrogen receptor modulator is tamoxifen.
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The best definition of a true-breeding plant is one that ______.
A true-breeding plant is one that produces offspring identical to itself in terms of physical traits when self-pollinated, due to being homozygous for certain alleles.
The best definition of a true-breeding plant is one that, when it self-pollinates, will always produce offspring with the same physical traits or characteristics as the parent plant. These plants are considered to be homozygous for the traits of interest, meaning that they carry two identical alleles at their respective gene locus. Because of their genetic uniformity, true-breeding plants are fundamental in genetic research and ensure consistency in the inheritance of traits. For instance, when Gregor Mendel conducted his experiments, he used true-breeding pea plants to study how traits were passed from one generation to the next, which helped him to avoid any unexpected traits that could arise from plants that were not true breeding.
Which shoulder ligament runs from the fingerlike projection of the coracoid process (superior to the glenoid cavity) to the collarbone?
Name the four major modes of prokaryotic nutrition. for each identify the energy source and carbon source
These are the four major modes of prokaryotic nutrition.
Photoautotrophs obtain their energy from the sun and their carbonsource from carbon dioxide which is use in photosynthesis to produce food.Photoheterotrophs get their energy source from sunlight and their carbon source from organic matter. They depend on photoautotrophs.Chemoautotrophs obtain their energy from Chemical compounds and Carbon from Carbon dioxide or related compoundsChemoheterotrophs also obtain their energy from Chemical compounds and carbon source from Organic compounds.What are prokaryotic?Prokaryotic are organisms that don't have nucleus or membrane bound organelles.
What is Nutrition?Nutrition refer to processes in which organism uses food to sustain life. It involve processes like anabolic and catabolic process gathering and breaking down of food particles.
Therefore, The four mode of prokaryotic nutrition are;
Photoautotrophs obtain their energy from the sun and their carbonsource from carbon dioxide which is use in photosynthesis to produce food.Photoheterotrophs get their energy source from sunlight and their carbon source from organic matter. They depend on photoautotrophs.Chemoautotrophs obtain their energy from Chemical compounds and Carbon from Carbon dioxide or related compoundsChemoheterotrophs also obtain their energy from Chemical compounds and carbon source from Organic compounds.Learn more on Prokaryotic mode of nutrition from the link below.
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A scientist agrees with the scientific consensus that dinosaurs have scaly skin. Then he discovers a new fossil that indicates a dinosaur had feathers. The scientist refuses to consider the new evidence because it does not agree with the accepted ideas. The scientist is
A.being biased by the scientific consensus.
B.practicing skepticism by ignoring evidence.
C.being open-minded by finding new fossils.
D.drawing conclusions supported by evidence.
it is definetly option B
What factors have contributed to desertification in the region? farming flooding omvs overgrazing population growth?
Answer: farming, overgrazing, population growth
Desertification is a process that occurs naturally or by human induce causes, the water body of the region gets dried up and the region acquires desert like conditions such as soil looses it's moisture and becomes compact, limited vegetation cover and dry climate.
Farming is the agricultural practice which involves the growth of commercially valuable crops. The excess use of land for agricultural purpose can result in the loss of the minerals and organic matter necessary for growth of plants. The land will loose it's fertility and will become barren land. The barren land will acquire desert like conditions.
Overgrazing can be responsible for desertification, as the herbivorous animals sometimes consume plants down the ground, which means they consume entire plant along with the roots. The soil gets loosen and eroded by wind. This way soil looses it's fertility and no more plants can be grown on such soils. This results in desertification.
Increase in population will result in increase in demand of water. This may result in depletion of water body for human use. Hence, population growth may lead to desertification.
What two cell structures are found in many plant cells but not in animal cells?
What is the smooth endoplasmic reticulum made out of?
what was most likely responsible for the fact that organic molecules no longer form spontaneously on Earth?
Answer: Less ultraviolet light and more oxygen.
Explanation:
The early earth condition were different from now. There was more ultraviolet light as there was no ozone layer during the early earth conditions.
The oxygen levels at the time of early earth was also not high but after the evolution of cyanobacteria the level of oxygen rised very rapidly.
These conditions does not allow the formation of organic molecules from inorganic molecules.
What happened when the rabbit caught his head in a fan?
When the rabbit caught his head in a fan means that it took ears off his own life. It may be related to a person who might possibly living by his/her own means. That person may be independent in his own way to the point that he/she may not listen to the opinion of others.
Why are cellular respiration and photosynthesis considered opposite processes?
Which division in the plant kingdom consists of plants that lack xylem and phloem?
Nonflowering vascular plants
Nonvascular plants
Flowering vascular plants
Seedless vascular plants
The correct answer is option B, Nonvascular plants
Non Vascular plants lacks true leaves, seeds, flowers and vascular tissues (which includes Xylem and Phloem). They come in the category of bryophytes which are extremely small and are in habituation of absorbing water and minerals through their hair like structure called as rhizoids (instead of roots) rather than transporting water and food through Xylem and Phloem tissues. They usually survive in moist places to compensate for the absence of vascular tissues.
Which instruction would the nurse give to a patient while performing the romberg test?
The mechanism of contraction in smooth muscle is different from skeletal muscle in that ________.
The site of calcium regulation is what differs from a mechanism of contraction in smooth muscle from skeletal muscle. One of the important functions of skeletal muscle contraction is production of heat and where calcium seemingly acts to remove the blocking action of tropomyosin.
Answer:
the site of calcium regulation differs
Explanation:
________ are clusters of lymphoid nodules deep to the epithelial lining of the small intestine. adenoids lymph glands tonsils peyer's patches immune complexes