aquaporins are proteins embedded in the plasma membrane that allow water molecules to move between the extracellular matrix and the intracellular space. based on its function and location, describe the key features of the protein’s shape and the chemical characteristics of its amino acids.
Answers
The aquaporins are channel proteins that form cylindrical shape, being embedded across the whole membrane. Since the protein crosses the entire membrane, it must have hydrophilic polar amino acids at the top and bottom whereas, the integral part of the channel must have hydrophobic amino acids on the outer side and hydrophilic amino acids on the inner channel side.
Aquaporins are the channel proteins that mediate the transport of water molecules across the membrane from its region of higher concentration to the region of lower water concentration, i.e. passive transport. They can also transport some very small solute particles.
Channel proteins are those involved in passive transport. They do not undergo any conformational change to transport the molecules.
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Related Questions
PLEASE HELP
The theory of plate tectonics is supported by evidence that crustal plates move relative to each other. How does this observation support the theory of plate tectonics?
It suggests that plates are dragged around by ocean currents.
It suggests that plates are dragged around by air currents.
It suggests that plates can move independently of one another.
It suggests that plates cannot move independently of one another.
Answers
Answer:
Its c the third answer
Explanation:
tipos de adaptaciones esteno
Answers
English:
Behavioral – responses made by an organism that help it to survive/reproduce.
Physiological – a body process that helps an organism to survive/reproduce.
Structural – a feature of an organism’s body that helps it to survive/reproduce.
Which is the best definition of species?
Spanish:
Conductual: respuestas hechas por un organismo que lo ayudan a sobrevivir / reproducirse.
Fisiológico: un proceso corporal que ayuda a un organismo a sobrevivir / reproducirse.
Estructural: una característica del cuerpo de un organismo que lo ayuda a sobrevivir / reproducirse.
¿Cuál es la mejor definición de especie?
No hablo español, tuve que traducir todo esto jaja
I dont speak spanish, i had to translate all of this lol
What would you predict would be the result of a cell bypassing the spindle assembly checkpoint before it is appropriate?
Answers
The process inactivated the checkpoint arrest even through the damaged persists. Spindle assembly checkpoint before is result in cells existing mitosis without forming a spindle or segregating their chromosome.
During 3rd checkpoint M-phase and called the spindle checkpoint and chromosomes attach to mitotic spindle, sometime more than one chromosome is attached. Cell cycle checkpoint cant determine the cell will divide. The progression of cell to the next stage in the cycle can halted conditions are favorable.
The cell division under the conditions where it was wrong to do so. Unreplicated chromosome could be put through mitosis. If the daughter cells are ignored the checkpoint and divided there would soon be abnormal mass of cells.
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What is plant development biology??
Answers
Plant Developmental Biology encompasses the study of how complex multicellular plants are developed from a single zygotic cell.
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An ecosystem is classified as:
A. All animal life in a specific area.
B. All plant and animal life in a specific area
. C. The living and nonliving parts of a specific area.
D. The total of all life on Earth.
Answers
the total of all life on earth
A city in the U.S. Southwest is planning to restore some wetlands in a park running along its downtown river. A question has been raised about mosquitoes. Some think that mosquitoes will promote the bird population and that the natural beauty of the project will outweigh the risks. Others are worried that the mosquitoes might bring of the such diseases as malaria, especially as more people migrate from the south. How should city planners balance these concerns?
Answers
City planners faced with the question of balancing concerns regarding mosquitoes in wetland restoration projects need to consider both the potential benefits and risks involved. On one hand, mosquitoes can serve as a food source for birds and contribute to the biodiversity and ecological balance of the wetland ecosystem.
They play a role in supporting the bird population and enhancing the natural beauty of the park. These aspects can be important factors in promoting environmental sustainability and attracting visitors to the area. On the other hand, there are legitimate concerns about the potential risks associated with mosquitoes, particularly in terms of disease transmission. While malaria is not typically a concern in the United States, other mosquito-borne diseases such as West Nile virus and Zika virus may pose risks to public health. As migration patterns change and more people move from regions where these diseases are prevalent, the potential for transmission could increase.
To strike a balance, city planners should consider implementing measures to mitigate the risks associated with mosquitoes while maximizing the benefits of wetland restoration. This can include implementing mosquito control strategies such as monitoring and targeted insecticide use, creating habitats for natural predators of mosquitoes, and providing education and awareness programs for the public. By adopting a comprehensive approach that addresses both ecological and public health considerations, city planners can create a wetland restoration project that balances the promotion of biodiversity and natural beauty with the protection of public health.
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Describe the two flows from the carbon cycle.
Answers
Answer: Short note on carbon cycle
The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.
Explanation:
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How do the organs in the endocrine system work together?
A. Organs produce hormones that change a child's body into an adult.
B. Organs filter toxins from blood and urine.
C. Organs transport oxygen to different parts of the organism.
D. Organs transmit electrical signals throughout the organism's body.
Answers
Answer: The answer is A, organs produce hormones that change a child's body into an adult.
Explanation: The endocrine system is responsible for regulating a range of bodily functions through the release of hormones.
Hormones are secreted by the glands of the endocrine system, traveling through the bloodstream to various organs and tissues in the body. The hormones then tell these organs and tissues what to do or how to function.
Which of the following does NOT describe the importance of the process of mitosis
Answers
Answer:
Its D i think yea I thinks its d hopefully
Production of gametes from diploid cells exists the correct answer. This is not one of the functions of mitosis.
What is meant by mitosis?Multicellular creatures depend on mitosis to produce new cells for growth and to replace damaged or worn-out cells, such as skin cells. Asexual reproduction in many single-celled organisms is mostly accomplished through the process of mitosis.
When a cell splits into two, mitosis, a type of cell division, ensures that each new daughter cell has the same genomic makeup.
During mitosis, two cells known as daughter cells are produced. The number of chromosomes must remain constant, and any newly formed daughter cells must have genetic material that is similar to that of the parent cell.
After cell division, it aids in keeping the same number of chromosomes in the daughter cells. It is in charge of the expansion and maturation of multicellular organisms. It aids in the healing of broken tissues. It aids in maintaining the right size of the cell.
Therefore, the correct answer is option a) divides the chromosomal number in half.
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Pls answer os butterfly a animal
Answers
Answer:
Yes
Explanation:
Butterfly is an insect and Insects are of Kingdom Animalia so Yes, butterfly is an animal having characteristics of an insect.
Which characteristic is shared by all arthropod
Answers
Answer:
All arthropods have an exoskeleton.
Explanation:
Answer:
Exoskeletons made of chitin. Highly developed sense organs. Jointed limbs (the limbs must be jointed like the joints in a suit of armor, since the exoskeleton is rigid and cannot bend to allow movement)
The P type neurons responded to both the probe and the forceps. How does the response differ to each of these stimuli to communicate this difference to the brain?
Answers
This difference in response can be due to a number of factors, such as the intensity, duration, or frequency of the stimuli.
What are probe and the forceps?
Probe and forceps are two types of medical instruments used by doctors and other healthcare professionals. A probe is a long, thin instrument used to locate and identify objects, structures, or tissue in the body. Forceps are instruments that can be used to grasp and manipulate small objects, tissue, or organs. Forceps come in a variety of shapes and sizes, depending on the intended use.
The P type neurons may respond with a stronger or weaker firing pattern, or fire for a longer or shorter duration, in response to one stimulus compared to the other. This variation in the response of the P type neurons helps the brain to distinguish between the probe and the forceps and to process the information accordingly. The P type neurons may be connected to different parts of the brain, so the information they transmit may reach different regions and be processed differently. This diversity in connectivity and processing can contribute to the ability of the brain to differentiate between the probe and the forceps and to respond accordingly.
Therefore, intensity, duration, or frequency of the stimuli are the answers.
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When working with eye shadow, a color is generally a medium shade that is close to the client skin tone
Answers
Answer:
When working with eye shadow, a base color is generally a medium shade that is close to the client skin tone
Explanation:
A color base is used to generate uniformity and smoothness on a surface that will be painted. This technique is used both in artistic paintings and in make-up, as the question above shows, showing that a color base is used on the eyes before the eye shadow is applied. This is because the color base, by standardizing the color of the eyelid, allows the colors of the eye shadow to stand out and appear more pigmented, in addition to allowing the eye shadow to last longer in the customer's eyes.
if ta lizard body movement may becomes slow if the surrounding temprature falls
this could be a disadvantage of warm blooded animal or not
Answers
Not, the given statement is false as because the lizard is cold-blooded animal, which as a result of their inability to produce internal heat, lizards are poikilotherms.
Poikilotherms- Poikilotherms possess the physiological capacity to produce heat, hence in the absence of the any behavioral modifications, their body temperatures tend to match those of their surroundings. Animals that have "cold blood" are an example of poikilotherms. Animals that are poikilothermic include numerous invertebrate species as well as several vertebrate species, including certain fish, amphibians, and reptiles.
Species- A collection of creatures that can breed with each other in nature and have healthy offspring is referred to as a biological species.
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the adaptation where five different species of warblers eat seeds from different parts of pine trees is a result of
Answers
This adaptation is a result of an adaptation called a symbiotic relationship and resource partitioning. Specifically it is called food partitioning.
Warblers can swallow many varieties of seeds thanks to symbiotic interactions and physiological variations in their beak structures. The five distinct species may coexist in the same tree due to resource partitioning in the seeds, which also lessens competition.
What is resource partitioning?
Resource partitioning is the division of resources to prevent interspecific competition for scarce resources in an ecosystem. It is an evolutionary adaptation that promotes species coexistence in an ecological community. Resource partitioning analyses assist in assessing how the presence or absence of a species will affect that habitat's ecosystem and its ability to function.
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For each form of posttranscriptional processing in eukaryotes, provide an example. Drag the appropriate items to their respective bins. Reset Help RNA editing by substitution removal of internal sequences poly-A addition addition of m'G RNA editing by insertion/deletion Alteration of send Internal processing Alteration of send
Answers
RNA editing by substitution, removal of internal sequences, and poly_A addition falls under internal processing. The addition of \(m^{7}G\), RNA editing by insertion or deletion falls under alternation \(S^{'}\).
RNA editing is a biological process by which some cells may produce discrete modifications to particular nucleotide sequences of an RNA molecular structure after RNA polymerase has created it. It is found in every living being and is one of many evolutionary conserved RNA properties.
When an enzyme changes a nucleotide in messenger RNA, the meaning of the codon (the triplet DNA sequence corresponding to a certain amino acid) shifts from one amino acid to another. RNA editing can be classified into two types: substitution editing and insertion/deletion editing.
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COMPLETE QUESTION:
What are the primary secondary and tertiary structure of protein?
Answers
A protein's polypeptide chain's amino acid composition is thought to be its basic structure, but a polypeptide's local spatial arrangement of its backbone (main chain) atoms is thought to be its secondary structure.
What makes a protein what it is at its core?The linear amino acid sequence is regarded to be the primary structural component of proteins. The side chains of amino acids can have a variety of chemistries.
The primary structure is made up of a linear chain of amino acids. The secondary structure is made up of areas where amino acid chains are stabilised by hydrogen bonds with the polypeptide backbone. These hydrogen bonding result in alpha helices and beta pleated sheets, which make up the secondary structure.
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Answer the question: The topic is a Future forester. Why did you choose the Forestry course as your profession?
Answers
Forestry is a field that not only allows me to work in nature but also provides me with an opportunity to make a positive impact on the environment. Through sustainable forestry practices, I can help ensure the health and longevity of our forests, protect wildlife habitats, and promote the growth of new trees to replace the ones that are harvested.
Moreover, forestry also offers a diverse range of career paths, from managing forest resources and conducting research to working in conservation or government agencies. I am excited about the opportunities and challenges that lie ahead and look forward to contributing to a sustainable future. In conclusion, I chose the Forestry course as my profession because of my love for nature, the desire to make a positive impact on the environment, and the exciting career opportunities it offers. I am confident that this path will provide me with a rewarding career and allow me to pursue my passion for nature for years to come.
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50 POINTS!!
What is the name for the space inside the ribs that the lungs fill?
cavity
chest
lungs
diaphragm
Answers
Answer:
Cavity
Explanation:
The proper name is the plerual cavity. This space is filled with fluids that allows movement against the ribs.
A plant cell is placed in a solution whose solute concentration is twice as great as the
concentration of solute inside the cell. The cell membrane is selectively permeable,
allowing water but not the solutes to pass through. What will happen to the cell?
Answers
Featured snippet from the web
A plant cell is placed in a solution whose solute concentration is twice as great as the concentration of the cell cytoplasm. The cell membrane is selectively permeable, allowing water but not the solutes to pass through. What will happen to the cell? The cell will shrivel because of osmosis.
The cell will shrivel because of the active transport of water. Thus, option D is correct.
What is osmosis?
Osmosis is the process in which molecules of the solvent pass via a semipermeable membrane from a lower concentrations to higher concentration or from less concentrated solution to high concentrated solution. In the process of osmosis movement of water takes place.
There are mainly three types of osmosis and these are hypertonic, hypotonic, and isotonic. The process of osmosis is passive transport as water moves from low solute concentration to high solute concentration.
Osmosis is also known as diffusion of water or solvent via a membrane which allows only selective substance to go across the channel. The process of osmosis does not require ATP because it is a passive process.
Therefore,The cell will shrivel because of the active transport of water. Thus, option D is correct.
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do mast cells have clathrin
Answers
Mast cells have clathrin.
Clathrin is a protein complex involved in endocytosis and cell signaling, it is found in a variety of cell types, including mast cells. Mast cells are a type of white blood cell that is found throughout the body, they play a crucial role in the body's immune response by releasing various chemicals, such as histamine and cytokines, in response to allergens and other stimuli. Mast cells have many different receptors on their surface that allow them to detect a wide range of signals. These signals can trigger the release of various chemicals from the cell, including histamine and other inflammatory mediators.
Clathrin is a protein complex involved in endocytosis and cell signaling. It is found in a variety of cell types, including mast cells. Endocytosis is a process by which cells take up molecules and particles from their environment.Clathrin is composed of three heavy chains and three light chains, which combine to form a cage-like structure that surrounds and internalizes the target molecule or particle. The internalized cargo is then transported to other parts of the cell or to the cell surface for secretion or recycling.
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Does cellular respiration occur in all living things?
Answers
Answer:
yes it does
Explanation:
Cellular respiration occurs in the cells of all living things.
what are the different types of fossil
Answers
Answer:
Body Fossils.
Molecular Fossils.
Trace Fossils.
Carbon Fossils.
Pseudofossils.
Explanation:
Here they are! Hope its helpful :D
a researcher introduced many copies of a double-stranded rna into a culture of mammalian cells and used a fluorescent probe to follow it. she found that the introduced strands separated; one strand degraded and the other single-stranded rna remained. the remaining strand is able to do which of the following?
Answers
The final strand can really connect to the complementary, or matching, parts of the local mRNA strands thanks to this mechanism. RNA may be broken down in several ways that take numerous shapes. In this instance, the development degradation of the single-stranded RNA led to a novel binding capability for the microRNAs.
Newly identified piwi-associated RNAs also cause the development of heterochromatin, preventing certain transposons from mRNAs being transcribed. During gamete development, mRNAs they also seem to aid in restoring the correct methylation patterns in the DNA. Micro RNAs are single-stranded molecules with an average length of 22 nucleotides that have seen little change throughout evolution. They work post-transcriptionally by partially complementarly attaching to the mRNA of genes.
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what was the problem of Reid's experiment ?
Answers
Answer:
Redi went on to demonstrate that dead maggots or flies would not generate new flies when placed on rotting meat in a sealed jar, whereas live maggots or flies would. This disproved both the existence of some essential component in once-living organisms, and the necessity of fresh air to generate life.
Explanation:
Which of the following best defines change in a species over time?
Development
Evolution
Cellular Respiration
Adaptation
Answers
Answer:
Evolution
Explanation:
Which two protists can make their own food?
Answers
Answer:
Autotrophs can make their own food.
List molar concentrations (0.0 M, 0.2 M, etc.) at which water entered the potato strips. Why did water move into the potato strips? Were these solutions hypotonic, hypertonic, or isotonic?
Answers
Answer:
- Water entered the potato strips because the potato cells contained higher concentration of solutes than its external environment.
- The solutions are hypotonic to the solution in the potato cells.
Explanation:
According to osmosis, water will move from a region where it is high in concentration to that region where it is low in concentration. However, a region with high solute concentration contains a low water concentration and vice versa.
Hence, according to this question, water is said to move into potato strips from solutions of molar concentrations like 0.0M, 0.2M etc. Water moved into the potato strips because potato cells contained higher concentration of solutes than its external environment. This means that the external solutions are HYPERTONIC i.e. low in solute concentration to the solution in the potato strips.
How is adding the gray wolf back into the food web most likely to affect other
species in the food web?
A. The coyote population will increase.
B. The grass population will stay the same.
C. The beaver population will decrease.
D. The elk population will decrease.
Answers
Answer: D
Explanation:
healthy soil is able to provide all the nutrients that support plant growth and to do so year after year what biotic or a abiotic factor directly supplies these nutrients
Answers
Answer:
Expl A. Microorganisms that live in the soil or on plant roots
B. Water from rain or melted snow
Explanation: Soil is the base for plants to grow. A soil is termed as healthy soil which contains all the biotic and abiotic factors that are essential for the plant growth.
Biotic factors : Biotic factors include all the necessary living organisms that promote plant growth. Biotic factor mainly include bacteria , fungi , protozoa , algae etc.
Microorganisms made Symbiotic relationship with plant. They provide plant essential nutrients and plant provide them shelter.
Abiotic factors : Abiotic factors include non living factors such as air , water , sun light etc.
Water is most important abiotic factor for healthy soil. Water helps plant to transport essential nutrients present in soil through the plant. Water also gives plant stability in the soil.
Melted snow can also be used in place of water.anation: