the concentration of solutes in a particular cell is about 2%, but the cell contains almost no sucrose or urea. sucrose cannot pass through the membrane of this cell, but water and urea can. osmosis would cause this cell to shrink the most when immersed in which of the following solutions?
Answers
The given solution provides the details about the concentration of solutes in a particular cell which is about 2%. The cell contains almost no sucrose or urea.
Osmosis would cause this cell to shrink the most when immersed in a hypertonic solution.
Hypertonic solutions have a higher concentration of solutes than the cell. They cause water to leave the cell by osmosis and result in cell shrinkage.
Osmosis is a process in which water moves from the area of low solute concentration to an area of higher solute concentration.
The process continues until the solute concentrations are the same on both sides of the membrane. This is why the direction of osmosis is determined by solute concentration.
The concentration of solutes in the particular cell is about 2%, and it contains almost no sucrose or urea. Sucrose cannot pass through the membrane of this cell, but water and urea can. The solution that would cause this cell to shrink the most is a hypertonic solution.
Hypertonic solutions have a higher concentration of solutes than the cell. Therefore, when a cell is immersed in a hypertonic solution, water moves from the cell to the solution by osmosis. This results in a decrease in the volume of the cell.
Therefore, when a cell is placed in a hypertonic solution, it will cause the cell to lose water and shrink in size.
As water leaves the cell, the volume of the cytoplasm decreases, and the cell membrane and cytoplasm shrink away from the cell wall.
So, the cell would shrink the most when immersed in the hypertonic solution.
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Related Questions
How many pairs of sister chromatids are in tetrapods of a horse?
Answers
Anabolic pathways have which of the following characteristics? Select all that apply. O They are usually spontaneous chemical reactions O They decrease the entropy of the organism and its environment. O They consume energy to build up polymers from monomers. O They release energy by degrading polymers to monomers
Answers
Anabolic pathways have which of the following characteristics:
They decrease the entropy of the organism and its environment.They consume energy to build up polymers from monomers.Anabolism is the process of synthesizing small chemical molecules into larger molecules while catabolism is the process of breaking down large molecules into smaller molecules.
Anabolic reactions reduce the entropy of the environment and organisms, whereas catabolic reactions increase the entropy of the environment and organisms.
Anabolic reactions help make polymers so energy is needed. Catabolic reactions are the opposite of anabolic reactions, i.e. produce monomers from polymers, which produce energy.
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Which was the first “cell” viewed by the light microscope? microbe atom DNA oak bark
Answers
Answer:
Option d (Oak bark) is the correct choice.
Explanation:
Throughout 1665, Robert Hooke would be the very first individual who saw cells through some kind of microscopic examination. The innovation as well as advancement and implementation of microscopy allowed this to happen.Microscopic constructions would not have been seen already therefore researchers haven't understood which one living creatures were managed to make from.The other three alternatives are not related to the given particular instance. So that option d would be the correct one.
Answer:
Oak bark
Explanation:
What is a major difference in how the immune system responds to cancer cells versus virus-infected cells
Answers
However, cancer cells are different from virus-infected cells because they are not recognized as foreign by the immune system. This is because cancer cells are the body's own cells that have mutated and grown out of control. As a result, the immune system may not recognize cancer cells as being harmful, and may not attack them in the same way that it would attack virus-infected cells.
Taylor is teaching his little brother about the similarities and differences between
weather and climate. How are the concepts of weather and climate different?
Answers
Answer:
i think weather???
Explanation:
(PLEASE ANSWER ASAP!) Use the word bank to fill in the rock cycle steps in the diagram below. You many only use each word 1 time. 2 of the words will not be used at all.
Word Bank:
Erosion, Heat and Pressure, Metamorphic Rock, Magma, Sedimentary Rock, Igneous Rock, Compaction, Melting
1.
2.
3.
4.
5.
6.
7.
8.
Answers
The rock cycle attached is labeled accordingly:
ErosionCompactionSedimentary rockHeat and PressureMetamorphic rockMeltingMagmaCooling.What is the rock cycle and why is it important?The rock cycle describes how the three types of rocks are connected to one another and how processes shift from one type to another through time. This cyclical component causes the rock to alter a geologic cycle as well as a biogeochemical cycle on planets with life.
The degradation of rocks eventually forms the soil in which we grow our plants, and scientists and engineers research the rock cycle in order to find the best energy sources and building materials.
Weathering and erosion, transport, and deposition would all come to a halt if the rock cycle did not exist. Scientists believe that if all of the active processes of the rock cycle stopped, our planet would be unable to support any life.
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In 3-5 sentences, describe the human respiratory system and its functions.(4 points)
Answers
Answer:
the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
Explanation:
All animals need oxygen to survive, without oxygen most of the organs in the body will not survive. The respiratory system helps to bring in oxygen into the body and also to remove carbon dioxide.
The respiratory system is comprised of of the nose, mouth, throat, lungs. The respiratory system helps to collect oxygen from the and then supply to the body for proper functioning.
It also helps to clean off waste products such as carbon dioxide from the body.
The respiratory system also helps in the exchange of gases in the cells that help them to function well.
Please see the link below for more information
Which is not a condition an endocrine gland regulates?A) Blood pressureB) TemperatureC) Water balanceD) Stress
Answers
The endocrine glands hormones are used to regulate mood, development, the work of organs, reproduction, growth, and metabolism. Therefore, the endrocine glands not regulated the water balance in the body, it is regulated by osmoregulation.
Make a concept map with the following terms:
Stimulus, function of relation, response senses or receptors, touch, smell, environment, individual, stimulus, taste, hearing, sight, processing center, nervous system, somatic, central nervous system, peripheral nervous system, neurons, synapses, sensory, brain, motor, interneurons, electrical, chemical, spinal cord, autonomic, voluntary and involuntary actions
Please is for today :(
Answers
Answer: igu bro, ok first u add my bbrother to class and then u subrtarct the ugly kids and you omneof them so dieeeee
Explanation:
Hello! What are some differences and similarities in Gymnosperms and angiosperms?
Answers
Answer:
there both seed bearing plants there from the kingdom plantae ,and there vascular plants
Explanation:
Answer:
Similarities:
- They share a main plant body: diploid sporophyte.
- The sporophyte, in both groups, is separated into the root, stem, and leaves.
- They are both two major Seed Plant groups
- Vascular bundles, the strand of vessels in a plants stem or leaves, are conjoined, open, and collateral.
Differences:
- Gymno are mostly trees and they do not produce flowers, while Angio can be herbs or shrubs, and produce flowers as well.
- Gymno plants are evergreens and Angios are seasonal
- The leaves of a Gymno are thick and need like while Angio leaves are flat
- The wood of a Gymno is soft-like while an Angio has hard wood.
Explanation: I found this information on EBC or Easy Biology Class
Hopefully it helps! :)
what is important for classifying hiv as a retrovirus?
Answers
Classifying HIV as a retrovirus has significant implications for its diagnosis, treatment, and our understanding of its life cycle and genome.
HIV is a retrovirus, and it is crucial to classify it as one for various reasons. A retrovirus is a type of virus that utilizes reverse transcription to replicate its genetic material, i.e., RNA to DNA. HIV is a virus that works in this manner. Thus, it belongs to the retrovirus family.
The following are some of the reasons why it is crucial to classify HIV as a retrovirus: Pharmacological implications HIV's retroviral nature has a significant effect on its treatment. As a retrovirus, HIV requires an enzyme known as reverse transcriptase to synthesize viral DNA from RNA. Thus, reverse transcriptase inhibitors have been critical in HIV treatment.
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Jane had two wind up clocks that had not been used for years. She decided to try them out, so she wound both, set the time, and started them at the same time. An hour later, clock A had gained one minute while clock B had lost two. The next morning clock A said 7 A.M. while clock B was at 6 A.M. What time was it when she started the clocks?
Answers
Right now, the clocks are one hour apart. The clocks are 3 minutes apart every hour. It would take 19 hours and 20 minutes to get from 6 A.M. to 10:40 A.M.
How to find a time?Right now, the clocks are one hour apart.
The clocks are 3 minutes apart every hour (A gains 1 - B loses 2)
Therefore, it would take 20 real hours for them to be separated by one hour.
Clock A advances by one minute per hour, moving 20 hours and 20 minutes throughout that time.
It would be 10:40 a.m. from 7 a.m. back 20 hours and 20 minutes.
Clock B advances by 2 minutes every hour, or 19 hours and 20 minutes, in a period of 20 hours.
It would take 19 hours and 20 minutes to get from 6 A.M. to 10:40 A.M.
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points)
After glycolysis happens in the cytoplasm, where do the pyruvate molecules that
were made from the food go for the next step in the cellular respiration process?
The Mitochondria
The Nucleus
They remain in the cytoplasm
The Golgi Apparatus
Answers
Answer:
Mitochondria
Explanation:
Have a nice day
You have isolated two known bacteria with slightly different DNA patterns and have placed them in an environment with some unknown elements. After some time, you observe that cell No. 1 now has a different DNA pattern. Your goal is now to find out whether this new DNA was obtained by the cell from transformation or conjugation (and you know that it can only be from one of these two methods). Which of the following would be valid to investigate?
Test cell No. 1 for excised DNA that has been relocated
Test for foreign, similar DNA in the environment
Test for the presence of bacteriophages in the environment
Test for the presence of DNA patterns from cell No. 2 in cell No. 1
1 and 3
1 and 4
1, 2, and 4
2 and 4
Answers
Explanation: foreign, similar DNA in the environment
where does the carbon for photosynthesis come from
Answers
Carbon Dioxide
Don't ask me how I got it, I just remeber
Ps. Branilist would help a lot
How could you distinguish the parent rock such as sandstone or limestone from the
metamorphic rock quartzite or marble?
Answers
Which of the following is sent from the intestines to the tissues, liver, or muscles?
Answers
Answer:
c. glucose
Explanation:
A lab worker examines a slide of human chromosomes. After sorting and counting the chromosomes, she determines that they come from a female. How did she make this conclusion?
Answers
Answer:
Explanation:
A female human has 46 chromosomes, which are arranged in 23 pairs. One chromosome of each pair is inherited from the mother and the other is inherited from the father.
In a female, one of the chromosomes in each pair is an X chromosome, while the other chromosome can be either an X chromosome or a Y chromosome. This results in a total of two X chromosomes in a female and one X and one Y chromosome in a male.
Therefore, if the lab worker counted 23 pairs of chromosomes and observed two X chromosomes, she could conclude that the chromosomes come from a female.
Which of the following statements are true about hyperbilirubinemia (jaundice)? Select all that apply.
A. It can never be predicted.
B. It is classified as two separate forms of jaundice depending on when it appears.
C. Infants with jaundice must be bottle-fed. Phototherapy can cause dehydration when used for jaundice.
D. Phototherapy can cause dehydration when used for jaundice.
E. Jaundice can occur due to birth trauma and inadequate elimination.
Answers
Hyperbilirubinemia can be classified into two forms: physiological jaundice and pathological jaundice. The correct statements about hyperbilirubinemia (jaundice) are: B, & D.
Physiological jaundice is a common condition in newborns, appearing after the first 24 hours of birth and typically resolving within a few weeks. Pathological jaundice, on the other hand, may indicate an underlying medical condition and requires further evaluation and treatment.
Phototherapy, a common treatment for jaundice, involves exposing the baby's skin to special lights that help break down bilirubin. However, phototherapy can increase the risk of dehydration in infants due to increased fluid loss through the skin. Therefore, careful monitoring and adequate hydration are essential during phototherapy treatment.
Jaundice can occur in newborns due to various factors, including birth trauma and inadequate elimination of bilirubin. Birth trauma can lead to the breakdown of red blood cells, resulting in increased bilirubin production.
Inadequate elimination can occur due to factors such as immature liver function or a blockage in the bile ducts. Both situations can contribute to the development of jaundice in newborns. The correct options are B & D.
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how does the structure of xylem relate to its function
Answers
Answer:
They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.
Most systemic venous blood is both oxygen-poor and nutrient-poor. however, systemic venous blood that is nutrient-rich occurs in:_____.
Answers
The answer is hepatic portal vein.
Most systemic venous blood is both oxygen-poor and nutrient-poor. however, systemic venous blood that is nutrient-rich occurs in hepatic portal vein.
What is hepatic portal vein?
A blood clot can block or constrict the portal vein, which is the blood channel that carries blood from the intestines to the liver. Most people have no symptoms, but in a small percentage of cases, the spleen enlarges, the belly fills with fluid, and/or there is significant esophageal bleeding.Hepatic portal vein is the blood vessel to carry from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver.Hepatic portal vein is conduct capillary bed to in the liver.Hepatic portal vein flows 75% of the total blood.Hepatic portal vein is formed by many different veins.To learn more about hepatic portal vein visit: https://brainly.com/question/13065222
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Which of the following microorganisms are NOT used in biotechnology as such? A. Bacteria B. Fungi C. Viruses D. Protozoans
Answers
\({ \tt{option \: (d)}} \: { \red{protozoans}}\)
Explanation:-
New organisms in biotechnology offer the possibility to detect novel products. It's good. But the role of protozoa in biotechnology has largely been ignored. We know that protozoa play important roles in treatment of com- munal and industrial wastewaters and some as parasites of man.
37) Reactions involving isomerases are
A) anabolic.
B) catabolic.
C) both anabolic and catabolic.
D) neither anabolic nor catabolic.
E) exergonic.
Answers
Isomerases are enzymes that catalyze the conversion of one isomer to another. Isomers are molecules that have the same molecular formula but different structural arrangements. Therefore, isomerases play a vital role in various biochemical pathways.
Now, coming to the question, whether reactions involving isomerases are anabolic, catabolic, or both, it depends on the specific pathway and the substrate involved. Anabolic reactions involve the synthesis of complex molecules from simpler ones, while catabolic reactions involve the breakdown of complex molecules into simpler ones. Isomerases can participate in both anabolic and catabolic pathways. For instance, isomerases play a crucial role in glycolysis, a catabolic pathway, where they catalyze the conversion of glucose-6-phosphate to fructose-6-phosphate. Similarly, isomerases are involved in the anabolic pathway of nucleotide synthesis, where they convert ribose-5-phosphate to ribulose-5-phosphate. Therefore, the correct answer to the question is option C, "both anabolic and catabolic." Isomerases can participate in both types of reactions depending on the pathway and substrate. In summary, isomerases are essential enzymes that catalyze the conversion of one isomer to another, and they can participate in both anabolic and catabolic pathways, depending on the specific pathway and substrate involved.
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How humans changed the balance of the park ecosystem
Answers
Answer:
Humans change ecosystems in many ways, such as habitat destruction, pollution, introduction of invasive species, and overexploitation of species.
The most common way that humans damage ecosystems is by destroying habitat. For example, we remove trees, change the flow of water, and change grasslands into farms. These practices can lead to local extinctions of species and cause other species to migrate to new areas.
I dont know if this is helpful but i hope it helps
Humans are able to change the balance of ecosystems through different forms of disturbances.
How is the balance of ecosystems disrupted?Humans are able to disrupt the balance of ecosystems in a variety of ways, such as:
Polluting the ecosystemDestruction of the ecosystemExploitation of the biodiversity in the ecosystemetcPollution alters the ecosystem by poisoning biodiversity or reducing their fecundity. Habitat destruction causes species extinction, and the exploitation of the ecosystem disrupts the general balance by altering habitats and killing species.
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What are six characteristics of magnet
Answers
Answer: 1. Magnetic lines of force start from the North Pole and end at the pole, they're continuos through the body of the magnet , Magnetic lines of force can meet up with iron more easily than air. , Two magnetic lines of force can't intersect one another, they have a tendency to contract longitudinally., they have an inclination to expand laterally.
Plants absorb light energy and store that energy in the form of what
Answers
Answer:Chemical energy
Explanation: photosynthesis is the process plants use to convert light energy to chemical energy stored as sugar within chloroplasts
Plants absorb light energy and store that energy in the form of carbon dioxide. The correct option is B.
What is photosynthesis?The operation by which green plants and numerous other organisms convert light energy into chemical energy is known as photosynthesis.
Light energy is harnessed and used by green plants during photosynthesis to convert water, carbon dioxide, and mineral deposits into oxygen and energy-rich organic compounds.
Photosynthesis is the method by which plants convert sunlight, water, and carbon dioxide into oxygen and sugar energy.
light energy is absorbed and stored that energy in the form of carbon dioxide.
A chloroplast is a type of plastid that provides as the premises of photosynthesis, which is the process by which solar energy is converted into chemical energy for growth.
Thus, the correct option is B.
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Your question seems incomplete, the probable options are:
A waterB carbon dioxideC sugarD oxygenwhy is water called the universal solvent?
Answers
Answer:
Water is reffered to as the universal solvent because it reacts with very little relatively, and primarily because almost everything is capable of dissolving in or being diluted by water.
Explanation:
How was boiled potatoes used as a solidifier for microorganisms
Answers
Microorganism growth needs are reflected in the complexity of many media used for microorganisms. For instance, for the majority of fungi, additional carbohydrates and an acidic environment are essential for optimum growth.
These organisms are grown on potato dextrose agar, also referred to as Sabouraud dextrose agar. For the optimal culture of viruses and rickettsiae, living tissue cells must be provided, while liquid media are typically necessary for protozoa.
Fresh, lightly processed, and heavily processed potato products can all include various types of spoilage and harmful microbes. Frozen, dried, ready-to-eat, and minimally processed potatoes are just a few of the goods that may be made from potatoes. Agricultural procedures, harvesting techniques, airborne and soil inocula, as well as storage circumstances, all have an impact on the indigenous microflora of potatoes.
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ASAP!!!!!!! I NEED HELP
Why are there two sets of phases during meiosis, but only one during mitosis? Think about what is different about meiosis and mitosis
Answers
Answer:
Mitosis is the cell cycle for somatic cells which are diploid (2n).
Meiosis is the cell cycle for germ cells (gametes) where they are haploid (n) so that is why they have two sets of phases.
Explanation:
Lactase is an enzyme that many different animals have that helps digest the sugar lactose Why can this enzyme be the same in different species?
0 Lactase is necessary for survival of all organisms
0 All living things share a common code-DNA
0 Lactase is not regulated by external environments.
It is not possible for it to be the same in different species
Answers
Answer:
All living things share a common code-DNA
Explanation:
Enzymes are proteinous substances, which like every other proteins are encoded by a genes. In the expression of these genes, a set of codons (three nucleotide base) called GENETIC CODE is used. ONE of the characteristics of this genetic code is that it is NEARLY UNIVERSAL meaning that the same genetic code is used by virtually all known living organism.
According to this question, lactase enzyme, which helps digest lactose sugar in organisms, is the same in different organisms. This is due to the fact that all living things share a common code-DNA e.g AUG codes for methionine in all organisms, hence, when these DNA undergoes expression, it yields the same products in different organisms.