We know demissie's alleles are cytosine bases.
According to the definition of an allele given in the top textbooks on genetics and evolution, an allele is a different arrangement of the same nucleotides in the same location on a long DNA molecule. In population genetics, the ABO gene-phenotype for almost every living person is a mix of simply these six alleles.
The majority of observed alleles have little to no impact on how the gene product they code for functions. However, occasionally distinct alleles might produce distinct phenotypic features that can be observed, such as differing coloring.
A hereditary disorder called albinism causes a reduction in melanin synthesis. Skin that has albinism is extremely sensitive to sunlight and light.
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If water were a nonpolar molecule , how would its properties be different ? A. Water would be able to form hydrogen bonds. B. Water would stick together much more strongly . C. Water would not be able to climb up inside plants. D. Water would be a much heavier molecule .
Answer:
Cohesiveness, adhesiveness, and surface tension: would decrease because without the +/-‐ polarity, water would not form hydrogen bonds between H20 molecules.
Explanation:
Please give me brainlist answer
Answer:
The correct answer is obviously B. water would stick together much more strongly
Explanation:
Have a nice day^^
which body region would have the most sensory receptors and in turn have more space dedicated to them in the primary somatosensory cortex?
The area of the body that will have the most sensory receptors and is dedicated to them in the primary somatosensory cortex is a sense of touches such as the skin, soles of the feet, or the palms of the hands.
What is a sensory receptor?A sensory or receptor is an organ or cell that is useful for receiving stimuli. By using this tool, the nervous system recognizes changes in various forms of energy, both in the internal and external environment. 7 sensory systems must be stimulated as early as possible for optimal development, namely tactile, vestibular, proprioceptive, olfactory, visual, auditory, and taste.
The primary somatosensory cortex is the anterior portion of the parietal lobe (Brodmann areas 3, 1, and 2), located behind the central area and anterior to the parietal association areas (Brodmann areas 5, 7, 39, and 40). This division receives information from the ventral posterior nucleus of the thalamus. The somatosensory cortex is the main receptive area for the sense of touch, kinesthesia (movement), and proprioception (body position).
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what is a cleavage furrow?what is a cleavage furrow?the metaphase plate where chromosomes attach to the spindlethe separation of divided prokaryotesa groove in the plasma membrane between daughter nucleithe space that is created between two chromatids during anaphasea ring of vesicles forming a cell plate
The cleavage furrow is a groove in the plasma membrane between daughter nuclei. (Option c)
After fertilization, cleavage, a series of mitotic divisions in which the enormous cytoplasm of the egg is divided into numerous smaller, nucleated cells, is the process by which a multicellular organism develops.
A cell's surface indentation known as a cleavage furrow appears as the cell prepares to divide. It signals the beginning of the cell "pinching" its cytoplasm and cell membrane in the middle. At some point, the cell will completely split in two, resulting in the formation of two daughter cells.
Typically, this process begins during anaphase, when a contractile cleavage furrow forms in the middle of the cell and eventually divides it in half.
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(Complete question)
What is a cleavage furrow?
a. A ring of vesicles forming a cell plate
b. The separation of divided prokaryotes
c. A groove in the plasma membrane between daughter nuclei
d. The metaphase plate where chromosomes attach to the spindle
e. The space that is created between two chromatids during anaphase
which of the following is an acceptable definition of an adaptation among biologists? which of the following is an acceptable definition of an adaptation among biologists? a phenotypic variant that results in the highest fitness among a specified set of variants in a given environment. a derived character that evolved in response to a specific selective agent. a trait that evolved by natural selection for a particular function (because it increases fitness) from an ancestor that did not have that trait. all of these are acceptable definitions.
The most acceptable definition of adaptation among biologists is: a trait that evolved by natural selection for a particular function (because it increases fitness) from an ancestor that did not have that trait.
Adaptation is the phenomenon of an organism adjusting to its surrounding and changing environment. This adaptation may or may not increase the fitness of the individual. Sometimes the adaptations are only to maintain the living of the organism.
Natural selection is the phenomenon of evolution where the organisms that adapt to the changing environment are able to survive better and longer than the organisms those are not able to do so.
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How would removing the operator region from the e. Coli tryptophan operon affect transcription of the trp genes?.
The transcription of the trp genes would still occur even if tryptophan were abundant when the operator region of the E. coli tryptophan operon is removed. By eliminating the operator, transcriptional regulation would be unhindered, and the operon would express under all circumstances.
The E. coli trp operon contains five significant structural genes that code for each of the seven protein functional domains required for the biosynthesis of tryptophan from the common aromatic precursor, chorismate. The trp operon's transcription is tightly controlled. The tryptophan-activated trp repressor controls the initiation of transcription at the trp promoter. The promoter region contains a number of operator sites where the repressor can bind. In response to the buildup of uncharged tRNATrp, transcription attenuation also controls the transcription of the structural genes of the trp operon. This uncharged tRNA can build up and cause ribosomal stalling when the leader peptide coding region is attempted to be translated. As a result, an RNA antiterminator structure that blocks the production of the RNA terminator structure is created. The polymerase is able to continue transcription into the operon's structural genes since the terminator structure is absent. When the cell has enough charged tRNATrp, the ribosome completes the leader peptide synthesis by translating the leader peptide coding region, which enables the formation of the RNA terminator structure and the termination of transcription.
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remove plasma water and solutes by adding dialysate. b. remove fluids and solutes through the process of convection. c. remove plasma water in cases of volume overload. d. combine ultrafiltration, convection and dialysis
Continuous Veno-venous hemofiltration is used to: (b) remove fluids and solutes through the process of convection.
Continuous Veno-venous hemofiltration is a form of treatment for the people with acute renal failure. This treatment is pursued when the patient is unstable and cannot tolerate hemodialysis. In this the dialysis catheter is inserted into the veins.
Convection is the method of movement of solvent and even some solutes through a semi-permeable membrane. This process is applied in the process of dialysis. The solutes gets adsorbed in the surface of membrane and therefore being removed. A hydrostatic or transmembrane transmembrane pressure gradient is involved in this.
The given question is incomplete, the complete question is:
Continuous veno-venous hemofiltration is used to
remove fluids and solutes through the process of convection.remove plasma water in cases of volume overload.remove plasma water and solutes by adding dialysate.combine ultrafiltration, convection, and dialysis.To know more about dialysis, here
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Although stress does not create cancer cells, it may affect their growth by suppressing the activity of: lymphocytes. ... .oxytocin. the adrenal glands.
We hypothesised that central oxytocin might be involved since stress causes intracerebral oxytocin release irrespective of gender.
A major area of study in this subject is how stress impacts our ability to fight off illness.Psychoneuroimmunology's main goal is to comprehend how stress impacts our ability to resist illness. Emotion-focused coping is most typified by trying to lessen stress by avoiding or ignoring a stressor.
When you make an effort to reduce stress in a direct way, as by altering the stressor you are utilising?Problem-focused coping is the attempt to actively reduce stress by altering the stressor or how one interacts with that stressor.
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What group of organisms carry
out photosynthesis?
A. consumers
B. producers
C. decomposers
Answer:
your answer will be B which is producers because they make their own food which creates energy for them to grow and survive
a student stimulated his earthworm twice with a stimulus interval of 1ms and a voltage above the threshold for the median axon (but below the threshold of the lateral axon). he only saw one biphasic waveform response. explain what is occurring inside the median axon to prevent the second biphasic waveform. also, how many action potentials do you expect are being generated by his stimulation?
A student stimulated his earthworm twice with a stimulus interval of 1ms and a voltage above the threshold for the median axon (but below the threshold of the lateral axon) result of an action potential propagating past our negative and positive electrodes.
A threshold is what you step across when you input a room. A threshold takes you from one vicinity into any other, and when you're approximately to begin something new, you're also on a threshold. A threshold is a point of departure or transition.
Threshold electricity (FTP): you may estimate FTP with your high-quality current 20-minute strength value (either from a committed 20-minute take a look at or a sufficiently tough 20-minute effort from a race or exercising). Multiply that price by ninety five% to get your FTP. you can also estimate FTP from a latest best 45-60 minute electricity output.
In electrophysiology, the edge capability is the important stage to which a membrane capability need to be depolarized to initiate an motion potential. In neuroscience, threshold potentials are necessary to modify and propagate signaling in both the important fearful device (CNS) and the peripheral anxious gadget (PNS).
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The genetic code consists of ____ codons that specify amino acids, and ____ codons that do not specify amino acids.
The genetic code consists of 61 codons that specify amino acids, and 3 codons that do not specify amino acids.
The genetic code specifies how many amino acids there are.The four nucleotides included in mRNA—A, U, G, and C—can combine in 64 different ways according to the codon's three-letter structure. The following 61 codons are related to amino acids, whereas the final three of these 64 codons are stop signals that signal the completion of protein synthesis.
Instead of coding for amino acids, three of the 64 potential codons indicate the end of a protein. The 61 remaining codons describe the 20 amino acids that are utilized to form proteins. Methionine is coded for by the AUG codon, which is located at the beginning of the DNA
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What type of mutation has occurred in the following example?
A.) deletion mutation
B.) insertion mutation
C.) point mutation
Which letter choice is correct? A, B, or C? Use screenshot to help
if atp used by this plant is labeled with radioactive phosphorus, which molecule or molecules of the calvin cycle will be radioactively labeled first?
1,3-bisphosphoglycerate is the first radiolabeled molecule of the Calvin cycle.
For plants to "fix" carbon from CO₂ into three-carbon sugars, a series of chemical events known as the Calvin cycle must occur. These three-carbon substances can later be converted by plants and animals into more complex carbohydrates including starches, nucleotides, and amino acids.
The three fundamental phases of the Calvin cycle are fixation, reduction, and regeneration. The Calvin cycle is the name given to the photosynthesis reactions that use the energy stored by the light-dependent reactions to create glucose and other molecules of carbohydrates.
The Calvin cycle uses the ATP molecules as energy sources and hence the 1st product of the calvin cycle will be radio labeled.
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Cell Analogy, PLEASE HELP IF YOU ARE GOOD WITH BIOLOGY! THANK YOU I APPRECIATE IT SO MUCH! NEED ANSWERS ASAP.
Read the example analogy below and label which underlined words match the different organelles listed. Then,
in the space at the bottom of the page, write your own cell analogy!
There is a building in the middle of town designed for making donuts. In the building are special ovens where
these donuts are made. In the center of the building is an office where the bakers keep all of the recipes for
making the donuts. Within the office there is a small workspace where the special oven parts are designed and
assembled.
Outside of the office is a conveyor belt which is used to move the baking sheets, pieces of the oven, and other
necessary things to the ovens. There are many generators that provide the energy to power the ovens so that
they can bake donuts all day. Once the donuts are made, they are sent to the decorating station to be iced,
sprinkled, and packaged up for delivery. Rolling carts are used to move the donuts from place to place, and
eventually to the delivery trucks lined up along the back wall of the building to take them out into the town.
If any of the donuts get damaged in the process, they get placed in the break room where hungry employees will destroy them on their breaks.
Answer: Just use clues from the questions
Explanation:
there are clues that represent the different parts
In the given scenario the oven that is used to make the donuts are analogous to the ribosomes which are used for the synthesis of protein. A. The different parts of the building can be matched with the cell organelles as follows: 1- oven, 2- office for recipes, 3- delivery trucks, 4-generators, 5- hungry employees, 6- decorating station, 7- small workspace to design oven parts, 8- donuts, 9- conveyer belt, 10- office for oven assembly.
Describe the process of sorting and transporting proteins.Protein targeting and sorting are laborious processes that must be done carefully. While translation is still active, the first stage of protein sorting takes place. On ribosomes that are attached to the endoplasmic reticulum membrane, numerous proteins that are destined for the endoplasmic reticulum, the Golgi apparatus, lysosomes, the plasma membrane, and secretion from the cell are synthesized.
The endoplasmic reticulum, where protein folding and processing occur, receives the polypeptide chains as translation continues. Proteins are moved in vesicles from the endoplasmic reticulum to the Golgi apparatus, where they undergo additional processing and sorting before being moved to lysosomes, the plasma membrane, or secretion from the cell. Thus, they stand out from other cytoplasmic organelles, such as the Golgi apparatus and lysosomes.
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griffith experiment. why did an injection of both living. ir cells and dead iiis cells kill the mice when each of those cells individually did nothing
R-strain cells and heat-killed S-strain cells individually did not kill the cells because R-strain was non-virulent and the virulent S-strain lost its virulence due to being killed by heat. But when both were injected simultaneously in the cells, some transformation took place from heat-killed S-strain to the R-strain and the R-strain became virulent and killed the cells.
Virulence is the ability of a pathogen to cause harm to the host cell. It is a measure of the degree of capability. In Latin, the meaning of the word virulence is full of poison.
Transformation is the process of uptake of exogenous DNA which is not covered by an cell membrane or envelope.
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Which part of the dna model is most directly associated with the coding of genetic information.
A gene's coding area, commonly referred to as the coding sequence (CDS), is the section of the gene's DNA or RNA that codes for proteins.
What is the molecule that codes for genetic information?The genetic code of an organism is encoded in a molecule called deoxyribonucleic acid (DNA). In other words, the information needed to create and maintain an organism is all included in the DNA.
A protein, rRNA, or tRNA molecule is encoded by a DNA sequence known as a gene (gene product). The genetic code controls how mRNA's nucleotides designate the amino acids that go into a polypeptide.
Due to the fact that the nontemplate strand's sequence will match that of the new RNA molecule, it is known as the coding strand.
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If a drug that specifically prevented the interaction of cytochrome c with other proteins was added to respiring mitochondria in a test tube, what effects would be observed?.
The cell won’t be able to completely oxidise glucose if an additive molecule that hinders the electron transport chain is applied. As a result, less oxygen is consumed.
When complex I is inhibited by antimycin A, electron transport from complexes or flavoproteins containing FADH2 to cytochromes is prevented.In this instance, the initial Complex Ill constituents are completely reduced and the subsequent constituents are oxidised. The final complex of eukaryotic oxidative phosphorylation in mitochondria is called cytochrome c oxidase. This process combines the reduction of electron carriers during metabolism with the reduction of molecular oxygen to water as well as the transfer of protons from the inner matrix of the mitochondria to the intermembrane gap.Adenosine triphosphate, an energy-carrying molecule, is present in the cells of all living things (ATP). ATP stores the chemical energy produced by the disintegration of food molecules before releasing it to drive other cellular processes.Cells often require chemical energy for three types of tasks: driving metabolic activities that wouldn’t occur naturally; transferring required materials across membranes; and doing mechanical work, like flexing muscles.
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During gene expression, when dna is being transcribed into rna, the non-coding sections are removed. The remaining coding segments are connected. This process is called.
The process in which the non-coding sections of the DNA are removed and the coding sections are connected is referred to as splicing.
After the process of transcription, the mRNA that has been produced in not ready to be translated. This is because it contains the introns and the exons.
The introns are the non-coding region of the DNA whereas the exon is the coding region of the DNA.
The non-coding regions of the DNA do not code for any known proteins and hence are removed before the translation process. The process through which the introns or the non-coding regions are removed is referred to as splicing.
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Carbon monoxide in cigarette smoke interferes with the ability of blood cells to carry.
Carbon monoxide in cigarette smoke interferes with the ability of blood cells to carry oxygen.
Cigarette smoke contains carbon monoxide, which binds to hemoglobin in red blood cells, reducing the blood's oxygen-carrying capacity. Carbon dioxide levels, blood pH, body temperature, environmental factors, and diseases can all have an impact on oxygen transport and delivery. With an increase in carbon dioxide and temperature, as well as a decrease in pH within the body, hemoglobin's oxygen-carrying ability decreases. Smoking raises the number of leukocytes, neutrophils, lymphocytes, and monocytes in the blood, as well as the hematocrit, hemoglobin, and mean corpuscular volume. The smoking relationships observed were long term for white blood cell indices and short term for red blood cell indices.
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identify the important processes facilitated by chromosomal sequences in their roles at the molecular level.
For chromosome mobility to be facilitated, the chromosomes must compress during mitosis.
Chromosomes must compact in order for DNA to be able to replicate inside the nucleus.
Colchicine is a substance that is used to freeze the cells during the mitotic process in order to block or inhibit the movement of the chromosomes. Additionally, the faithful replication or transmission of the genome to those daughter cells depends on this mechanism. Cells divide during the interphase, however cell condensation is discovered to be taking place during the prophase. Chromosomes are permitted to travel prior to the mitotic process, and during this time, entanglements and breaks were also seen.
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localized area of pus formation in the lungs: a.pleurisy b.pulmonary embolism c.pulmonary edema d.pleural effusion e.pulmonary abscess
Localized area of pus formation in the lungs is pulmonary abscess.
What is lung abscess?
The creation of cavities (more than 2 cm) containing necrotic debris or fluid and liquefactive necrosis of the lung tissue are both symptoms of lung abscess, which are brought on by microbial infection.
It can be brought on by aspiration, which can happen when under the influence of drugs or alcohol and typically results in a pus-filled cavity.
Chest pain, especially when you breathe in, a cough, fatigue, a fever, a loss of appetite, and night sweats are all signs of a lung abscess.
Following antibiotic therapy, the prognosis for lung abscess is generally good. Unless bronchial obstruction owing to cancer is to blame, medical therapy alone can cure more than 90% of lung abscess.
Therefore, Option E is correct.
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What is the average of 2cm squared and 4cm squared
Answer:
((2 (cm squared)) + (4 (cm squared))) / 2 =
0.0003 m2
Explanation:
of the four abdominal muscles, which is not a prime mover in lateral pelvic rotation from a hanging overhead by the hands position?
In lateral pelvic rotation from the four abdominal muscles hanging overhead by the hands position, the transverse abdominis is not a primary mover.
Of the six abdominal muscles, the transverse abdominis (TrA) muscle is the deepest. Between the ribs and the pelvis, it expands, encircling the trunk from front to back. Similar to a back support belt, the muscle's fibres run horizontally called transverse abdominis.
The large group of muscles in the front of the abdomen known as the abdominal muscles lift and stabilise abdominal organs like the intestines as well as contribute to normal breathing. They also support the muscles of the spine are called abdominal muscles.
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What is the structure of hydrophobic hairs or ridges on the body that allow insects to carry water in aquatic habitats?.
Plastrons are hydrophobic hairs or ridges on the body of an insect.
It is a special array of rigid, closely-spaced hydrophobic hairs/water-repellent (also called setae) that create an airspace next to the body. This pile of small hairs covers much of the cuticle and prevents the air film from collapsing. Also known as gill, it consists of a stationary layer of air held in place on the body surface by millions of tiny hairs that support a permanent air–water interface, so that the insect never has to renew the gas at the water's surface. Many water-walking insects possess hydrophobic hairs.
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Which type of heat
islands have higher
surface temperatures
in urban areas
compared to rural
areas?
A. Boundary
B. Surface
C. Canopy
D. Rural
Surface type of heat island have higher surface temperatures in urban areas compared to rural areas.
What is urban areas?Urbanized areas known as heat islands have greater temperatures than nearby rural areas. More than natural landscapes like trees and water bodies, structures like buildings, roads, and other infrastructure reflect and absorb solar heat.
Urban regions, where these constructions are heavily concentrated and there is little foliage, experience "islands" of hotter weather than rural areas.
Daytime highs in metropolitan regions are often 1–7°F higher than those in rural areas, while nighttime highs are typically 2–5°F higher.
Therefore, Surface type of heat island have higher surface temperatures in urban areas compared to rural areas.
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What is the value for q for forming all of the bonds in ch3cooh from separated atoms?.
The value for q for forming all of the bonds in CH₃COOH from separated atoms is -3156 kJ.
What are bonds?Bonds are defined as the creation of a chemical compound through the creation of a chemical link between two or more atoms, molecules, or ions. bonds are formed when atoms strive to achieve the most stable (lowest-energy) possible state.
CH₃COOH has 3 C-H bond,1 C-C bond, 1 C=O bond 1 C- O bond and 1 O - H bond.
Bond energy is
C-H bond = 413 kJ/ mole
C-C bond = 346 kJ/ mole
O-H bond = 463 kJ/ mole
C=O bond = 799 kJ/ mole
C-O bond = 358 kJ/ mole
q = - ( 413 x 3 + 346 + 463 + 799 + 358 )
q = - 3205 kJ/ mole
q = -3156 kJ/ mole for 1 mole
Thus, the value for q for forming all of the bonds in CH₃COOH from separated atoms is -3156 kJ.
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Accuracy in the translation of mrna into the primary structure of a polypeptide depends on specificity in the _____.
Accuracy in the translation of mRNA to the primary structure of polypeptide depends on the binding of the anticodon to the codon and the attachment of amino acids to tRNAs.
On what does translation of mRNA depends?
The main components required for translation are mRNA, ribosomes, transfer RNA and other enzymatic factors. mRNA carries the sequence information for the protein to be synthesized.
The translational efficiency of a given mRNA depends on concentration in the cell and sequence as well as on the available cellular resources, including pools of free ribosomes, aa‐tRNAs and availability of translation factors.
Assessing a translation for accuracy can be done by working from side-by-side printouts, systematically uncovering and assessing short sections of text.
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What is the sequence of the 5’ end of the mrna transcribed from this prokaryotic gene?.
The prokaryotic gene's mRNA transcript's 5' end has the sequence UUGA.
During transcription, what happens at the 5 end?Transcription comes to a halt during termination, which happens when RNA polymerase crosses a stop (termination) sequence in the gene. The finished mRNA strand separates from the DNA.
Does mRNA's 5' end mark the beginning of translation?There are unique initiation locations where translation starts rather than just at the 5' end of the mRNA. Therefore, the 5' terminal sections of mRNAs from prokaryotic and eukaryotic cells are noncoding sequences known as 5' untranslated regions.
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HELP 5 MINS OF TEST TIME HEEEELLLPPP
In three to four sentences explain both the positive and negative effects of mutations.
The beneficial mutations help an organism to adapt better in the changing environment. It may also help an organism to reproduce more effectively resulting in an increase in the population in the coming time. The negative effect of mutation is that it may cause serious genetic disorders or even cancer.
Mutation is some change in the sequence of DNA. The change may be in the form of deletion, addition, reversion, duplication, etc. Mutations are generally harmful for an organism. There are also some mutations that do not show any observable character. Such mutations are called silent mutations.
Genetic disorders are the diseases caused due to change in the normal sequence of DNA. Such diseases may be due to mutations or due to unequal distribution of chromosomes during cell division.
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I NEED HELP ASAP
A group of students thinks that boiling water is an example of a
chemical change. Are they correct? Write a response in complete
sentences.
3)
Be sure to answer these questions in your response:
• What evidence is leading them to think that boiling water
is a chemical change?
• Is water boiling a chemical change or a physical change?
• Provide evidence to support the correct answer.
Answer: Water that has been heated to the point of boiling has undergone a physical change because nothing else about the water has altered. The water's bubbles and steam are the only physical signs that they can find, and since steam is simply water that has evaporated, it is still water. A chemical change occurs when a material transforms into a different one, such as when sugar is heated and turns into caramel. Boiling water causes a physical change.
HELLO! IT WOULD MEAN A LOT IF YOU PLEASE HELP!
The side that would increase in volume due to osmosis is Side II.
What is Osmosis?The random net movement or diffusion of solvent molecules through a selectively permeable membrane from a location of high water potential to a region of lower water concentration, in the direction that tends to equalize the solute concentrations on the two sides, is referred to as osmosis.
Osmosis is classified into two types:
Endosmosis: The process through which water molecules enter cells.Exosmosis: The process through which water molecules leave the cell.Osmosis in microporous membranes is induced by a momentum deficit within the pores caused by the membrane's reflection of solute molecules. For a semipermeable membrane, this reduces the pressure on the solution side of the pore by π.
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