Animals kept in animal rooms and experimental areas that undergo periodic testing to identify the presence of any microorganisms in the animal colonies are referred to as sentinel animals.
What do you mean by microorganisms?
Microorganisms, also known as microbes, are microscopic living organisms, such as bacteria, viruses, fungi, and protozoa. These organisms are too small to be seen with the bare eye and are found everywhere in the environment, including in air, soil, water, and inside and on the surfaces of living things.
Sentinel animals are used to monitor the health of the animal colonies in animal rooms and experimental areas. By testing these animals periodically, scientists can identify the presence of any microorganisms that may be present in the animal colonies. This helps ensure the animals remain healthy and free from any infectious diseases. In addition, sentinel animals can also provide an early warning system for any potential disease outbreaks in the animal colonies.
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If a diploid organism has a genome consisting of 22  chromosomes, its gametes will have ___ chromosomes
Answer:
23 chromosomes
Explanation:
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Which one of the following has been identified as one of the most important barriers to HIV testing?
A) Inability to afford HIV test
B) Concern about domestic violence
C) Low perceived risk of HIV infection
D) Lack of transportation to HIV testing center
Answer:
C). Low perceived risk of HIV infection.
For each disease or disorder, click on the correct inheritance pattern or chromosomal alteration.Cystic fibrosisAUTOSOMAL DOMINANT; AUTOSOMAL RECESSIVE
Chronic cough, upper respiratory infections, and difficulties clearing Phlegm from the airways are symptoms of the autosomal recessive disease cystic fibrosis.
Phlegm builds up in the lungs and digestive tract as a result of the hereditary disease cystic fibrosis. Infections of the lungs and issues with food digestion result from this. The ailment normally manifests as early childhood symptoms that change from kid to child. Over time, however, the condition slowly deteriorates, causing increased harm to the lungs and digestive system. Unfortunately, life expectancy is decreased despite the fact that there are treatments to help ease the challenges brought on by the condition and make it simpler to live with.
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Kernicterus can cause brain damage in newborns suffering from severe HDFN. This is due to a buildup of:A) unconjugated bilirubinB) hematocritC) haptoglobinD) hemoglobin
Kernicterus can cause brain damage in newborns suffering from severe HDFN. This is due to a buildup of unconjugated bilirubin.
What is HDFN?
HDFN stands for Hemophilia, a genetic disorder in which the blood does not clot properly. It is an inherited disorder caused by a mutation in the genes that control the production of certain proteins involved in blood clotting. People with hemophilia have a higher risk of bleeding and bruising, and may require frequent treatment and monitoring to keep their condition under control.
Therefore, Option A is correct.
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Which of the following statements is false?
a
Noninfectious diseases caused by an unhealthy lifestyle can be prevented.
b
Noninfectious diseases are not caused by a pathogen.
c
Vaccinations do not help prevent infectious disease.
d
Fungi, protozoans, viruses, and bacteria are all pathogens.
(c) Vaccinations do not help prevent infectious disease is false a statement.
what are Vaccinations ?A biological preparation known as a vaccination offers active acquired immunity to a specific infectious or cancerous disease. Vaccines' efficacy and safety have been thoroughly investigated and confirmed.
Specific components of the germ, like as its protein, sugar, or capsid, are used in the subunit, recombinant, polysaccharide, and conjugate vaccines (a casing around the germ). These vaccines produce a very potent immune response that is focused on essential germ sections since they only use particular pieces of the germ.
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The organizations angiosperm into flowers
Answer:
The Angiosperm Phylogeny Group (APG) (2009) classifies flowering plants into Magnolids (four orders), Monocots (seven orders), Commelinids (five orders), and Eudicots (36 orders), plus a few taxa of uncertain affinity.
Explanation:
You didn't ask a question so I did my best to answer.
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The organization of a flower typically includes several distinct parts: the sepals, petals, stamen, and pistil.
The sepals are the outermost layer of a flower and are typically green. They are usually fused together and form a protective cover around the developing flower bud.
The petals are the next layer, and they are typically brightly colored. They are usually arranged in a ring around the reproductive parts of the flower and are responsible for attracting pollinators.
The stamen is the male reproductive part of the flower, and it is composed of a filament and an anther. The anther produces pollen, which is the reproductive cell for the plant.
The pistil is the female reproductive part of the flower, and it is composed of an ovary, a style, and a stigma. The ovary contains the ovules, which are the reproductive cells of the plant. The style is a stalk-like structure that connects the ovary to the stigma, which is the receptive part of the pistil that receives the pollen.
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The complete question is- What is the organization of a flower?
in addition to her sidelights, sternlight, and towing lights, a vessel towing astern carries three white lights in a vertical line when____
In addition to her sidelights, stern light, and towing lights, a vessel towing astern carries three white lights in a vertical line when the length of the tow, measured from the stern of the towing vessel to the after end of the tow exceeds 200 m.
Stern light: What is it?Stern light refers to a white light that is as close to the stern as is practical, illuminating a 135-degree arc of the horizon without interruption, and fixed so that it is visible 67.5 degrees from the right aft on each side of the boat.
Commercial ships will replace their stern lights with one or more yellow lights when towing or pushing a barge. The space between the lights visible on the bow and stern of the composite vessel made up of the commercial vessel and its barge may be dark for several hundred yards (s).
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Which of the following traits are most closely linked with competence? A. A focus on action. B. An emphasis on image. C. An emphasis on results. D. A deceptive mindset
A. A focus on action. C. An emphasis on competence results. Health information professionals must adapt to and prosper in a constantly changing environment due to the highly volatile nature of the health care industry.
The ongoing uncertainty brought on by fast changing technology, and the ongoing evolution of professional positions. The personality traits discussed here are not specific to the library or information profession, but they do serve as a vital complement to the fundamental professional knowledge and skill sets outlined in the pages that follow.
Competencies that are relevant to practise include understanding of organisational and human behaviour, conflict resolution, delegating, effective risk taking, and evidence-based decision making.
identification and trend predictioncontrol over the process of changeknowledge of politics and negotiating skillsoutstanding interpersonal and communication abilitiesIdentifying qualities:
versatility, adaptability, and flexibility in both solo and group work.Balance of personal and professional life.Learn more about competence here:
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fill in the blank. the link reaction___enters the mitochondria from the cytoplasm. one___atom is removed via___, which reduced___into___. the two carbons then attach to___, creating___, which can now enter the krebs cycle.
The carbon dioxide is expelled, acetyl CoA travels to the mitochondria to begin the second stage of the Kreb's Cycle, and NADH transports the high-energy electrons to the electron transport system (stage III).
Which processes take place in the mitochondria and which in the cytoplasm?While glycolysis takes place in the cytoplasm, the TCA cycle occurs inside the mitochondrial matrix. In the meantime, protons diffuse across the inner mitochondrial membrane during oxidative phosphorylation and are later injected back into the matrix.
What comes from the cytoplasm into mitochondria?Acetyl CoA is produced when pyruvate and fatty acids reach the mitochondrion (bottom). The citric acid cycle then breaks down the acetyl CoA, converting NAD+ to NADH (and FAD to (more...)
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Which of the following activities would place an animal in category E?
A. Lethal dose experiments in which animals are allowed to die without intervention.
B. Observation studies of normal primate behavior.
C. Blood collection from a superficial vessel of a dog.
D. Major surgery in which anesthetics and postoperative analgesics are administered.
A. Lethal dose experiments in which animals are allowed to die without intervention. The lethal dose (LD) is a measure of a substance's or a type of radiation's deadly toxicity.
The "lethal dosage" designates a dose (often expressed as dose per kilogramme of subject body weight) at which a specific percentage of subjects will succumb because resistance varies from subject to subject. For gasses or particles, the deadly concentration is a measurement of the lethal dose. The LD may not apply to all sub-populations because it is built on the idea of the "standard person," a hypothetical person with entirely "normal" traits.
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which of the following are impacts of biodiversity through overfishing? check all that apply decreased food security destruction of habitat damage to coral reefs loss of biodiversity
habitat degradation and decreased food security. Except for overfishing, which occurs when fishing boats take more fish than the ocean can sustain, taking fish is not intrinsically detrimental for the ocean.
One of the most important causes of reductions in maritime wildlife populations is fishing. Bycatch, the capture of undesirable marine life when fishing for a different species, and overfishing are strongly related. Overfishing harms the maritime ecosystem, but also other areas. Fish is a source of protein for billions of people, and millions of people around the world depend on fishing as their main source of income.
Improved ocean resource management and conservation efforts are being made by many persons who are involved in fishing. The WWF focuses on sustainable techniques that protect ecosystems while also sustaining human life and ensuring food security and livelihood.
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find both the number of cells and the percentage of the total represented by cells in tissues or organs not listed (other). the category includes cells from, among other organs, the intestine. record the results in your table
The number of cells is 442 and the percentage of the total represented by cells in tissues or organs is 46%. You may note that the percentages in the table total 99% rather than 100% if they add them up.
The vital life-sustaining functions are carried out by the coordinated organ systems of sophisticated multicellular creatures like humans.
The organisation of the body takes place in phases that advance together. Organ systems are made up of tissues, which are made up of organs and tissues in turn. The coordination of an organ system's organs determines how well it functions. The digestive system's organs, for instance, work together to process food.
All organ systems must work together in harmony for the organism to survive; normally, the endocrine and neurological systems coordinate this function. The exceptional specificity of adaptive immune responses is due to lymphocytes. They are abundant in both the blood and the lymph, the colourless fluid that fills the lymphatic veins that connect the lymph nodes in the body.
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which is true regarding thermal support for mice during anesthesia?
c) Mice lose body heat rapidly under anesthesia
Hypothermia, this is the condition which is adverse effect for mice during anesthesia.
This is generally done in small rodents such as mice.
hypothermia is a condition where body has a low body temperature, excess shivering and cold therefore, external thermal support is needed.
Duration for recovery is longer in injectable anesthesia rather than the inhalable anesthesia.
the thermal support duration is for 1 hour and it is necessary for the mice recovery.
anesthesia is also given to rodents in inhalable way as it is much safer and has more recovery than the injectable one which has very low rate if recovery.
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After an accident John died on the spot. Doctors said that he got hurt on the skull. Which part of the brain could be hurt?
PLS HELP , (I know the answer, but I need an answer of 4-lines) please, I am giving you 20 points...
Answer: The Brain Stem:
(You welcome)
Explanation:
The brain stem, because it is responsible for vital functions such as breathing and heart rate. If your brain stem is damaged it causes death because it controls your heart and breathing and your awareness The brain stem.
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Compare and contrast density-dependent growth regulation with density-independent growth regulation. Give an example of each as they might affect a caterpillar population.
a. Both are environmental conditions that result in changes in population numbers. Density-independent factors have different effects on population densities whereas density-dependent factors have the same effect. An example of the former is a caterpillar population being kept low by a pesticide because it kills them regardless of their numbers. In the case of the latter, a large caterpillar population leads to a decrease in food availability, which will cause the caterpillar population to decline.
b. Both are environmental conditions that result in changes in population numbers. Density-independent factors have the same effect at all population densities whereas density-dependent factors have different effects. An example of the former is of a caterpillar population being kept low by a pesticide because it kills them regardless of their numbers. In the case of the latter, a large caterpillar population leads to a decrease in food availability, which will cause the caterpillar population to decline.
c. Both are environmental conditions that result in changes in population numbers. Density-independent factors have the same effect at all population densities whereas density-dependent factors have different effects. An example of the former is of a caterpillar population being kept low by a pesticide because it kills them when their numbers are low. In the case of the latter, a large caterpillar population leads to a decrease in food availability, which will cause the caterpillar population to decline.
d. Both are environmental conditions that result in changes in population numbers. Density-independent factors have the same effect at all population densities whereas density-dependent factors have different effects. An example of the former is of a caterpillar population being kept low by a pesticide because it kills them regardless of their numbers. In the case of the latter, a large caterpillar population leads to a decrease in food availability, which will cause the caterpillar population to increase.
Compare and contrast density-dependent growth regulation with density-independent growth regulation. Give an example of each as they might affect a caterpillar population.
Both are environmental conditions that result in changes in population numbers. Density-independent factors have the same effect at all population densities whereas density-dependent factors have different effects. An example of the former is of a caterpillar population being kept low by a pesticide because it kills them regardless of their numbers. In the case of the latter, a large caterpillar population leads to a decrease in food availability, which will cause the caterpillar population to decline.
What is population?
Typically, when someone uses the word "population," they are referring to the entire population of a given area, such as a city or town, region, country, continent, or the entire world. Governments commonly conduct censuses to estimate the number of residents living within their jurisdiction. A census is a process for obtaining, analysing, summarising, and publishing facts regarding a population.
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classify the following conclusions based on whether the conclusion is scientific or subjective biology
Scientific Conclusions:
-elodea plant cells lose water when they are placed in a 5% salt solution
-at sea level, pure water boils at 100 degrees Celsius
-E. coli bacteria develop larger colonies at 37 degrees Celsius than at 4 degrees Celsius
-more than 50% of pedestrians in Greenville wear coats when the temperature is below 4 degrees Celsius
Subjective Conclusions:
-children who are not spanked act worse than children who are spanked
-it is unethical to use animals for experimentation
more than 50% of pedestrians in Greenville wear coats when the temperature is below 4 degrees Celsius is the scientific Conclusions.
It's important to note that the last claim on the list—"more than 50% of Greenville pedestrians wear coats when the temperature is below 4 degrees Celsius"—can be viewed as a scientific conclusion because it is based on a measurable and verifiable data collection and not on opinions or personal beliefs. Because,
Scientific Conclusions are: elodea plant cells lose water when they are placed in a 5% salt solution -at sea level, pure water boils at 100 degrees Celsius.-E. coli bacteria develop larger colonies at 37 degrees Celsius than at 4 degrees Celsius
Subjective Conclusions are:-children who are not spanked act worse than children who are spanked
-it is unethical to use animals for experimentation
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45. In nursing process,assessing the clients response/reaction to nursing intervention is
A. Implementation C. Assessment
B. Diagnosis D. Evaluation
Answer:
D. Evaluation
Explanation:
The nursing process is a systematic, patient-centered approach to providing care. It is divided into five steps: assessment, diagnosis, planning, implementation, and evaluation.
How would owners of a nursery react if hundredsof cotimers wanted to buy cactus plants at the the current price of P150 when the nursery has 25 plants to sell?.
Given the high demand from its factories, it would be preferable to let the corporation raise the price of its product up until the point at which supply and demand are equal and an equilibrium is reached.
From that option of situation, the nursery will no longer think of some unnecessary actions that could possibly lead into headache. In economics, the relationship between the quantity of a good or service that producers want to sell at different prices and the quantity that consumers want to buy is known as supply and demand.
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A population of birds exhibits Type II survivorship. If laws are imposed that prevent hunting these birds and other protective measures take place, which of the following represents the type of survivorship the bird population would most likely begin to exhibit?
Many bird species have a Type II survivorship curve. In a Type II curve, organisms die more or less equally at each age interval.
What are organisms in biology?Biological Organisms: Living things that are capable of reacting to stimuli, reproduction, growth, and homeostasis. Organisms are classified by taxonomy into specified groups such as the multicellular animals, plants, and fungi; or unicellular microorganisms such as a protists, bacteria, and archaea.
What is organism and functions?An organism is defined as any neighboring living system which is to be alive and performs various functions like growth, movement, reproduction, respiration, nutrition and excretion. All organisms are made up of one or more cells.
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is energy accumulated in glucose is released in cells all at once through a single explosive reaction?
Glucose stores so much energy that if it were all released at once, it could damage the cell
What is energy ?If all the energy in glucose were released at once, the cell might be harmed. Similar to how your car burns gasoline little by little (rather than all at once in a blazing explosion), cells take in glucose's chemical energy little by little over the course of several steps.
Cellular respiration is the process through which stored energy is released and transformed into energy that your cells may utilise once glucose has been digested and transferred to your cells. Glycolysis, the Krebs cycle, and oxidative phosphorylation are the three metabolic processes that make up cellular respiration.
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if you want to study family relationship between organisms, what part of the genome would you rather follow? group of answer choices
a. genes that code for non-essential proteins b. genes that code for essential proteins or rna c. segments of dna that do not code for proteins
Select all the parameters that can be determined by analyzing a protein sample with tandem mass spectrometry.
a. amino acid sequence
b. genetic sequence
c. isoelectric point
d. precursor ion mass
The parameters that can be analyzed a protein sample with tandem mass spectroscopy is, amino acid sequence
mass spectroscopy is used to identify the mass of proteins or to determine the amino acid sequence.
The various steps of the protein mass spectroscopy is as, first the protein molecules are ionized and vaporized, the second is the ions area accelerated by electric field and then the separation is done according to the mass/charge ration using electric or magnetic field, the third and final is ions are detected by their trajectory.
Electrospray Ionization and MALDI, they are the new ionization structure that preserve the protein structure.
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oligosaccharides found on the external surface of the plasma membrane . choose all that apply
A group of monosaccharides are combined to form oligosaccharides, a class of carbohydrates. The can also be found among the membrane's constituent parts.
The required details for membrane in given paragraph
Option A) They can be bound to lipids
Option C) They can be bound to proteins
Option D) They are secreted as antibodies
Describe membrane.
A cell membrane, also referred to as a cellular membrane, is present in every cell and separates the indoor environment of the cell from the surrounding environment. The cell membrane is a lipid bilayer barrier that is semi-permeable. The membrane protein regulates the flow of substances that enter and leave the cell.
What function does a membrane serve?
Membranes are being used more frequently to transform waste, aquifer, and storm water runoff into process water. At the moment, hydrogels are competitive with established techniques. The membrane separating process requires multiple membranes as a precondition. The majority of the lipids and proteins that make up cell membranes are based on fatty acids.
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Complete question
CHOOSE ALL THAT APPLY Oligosaccharides found on the external surface of the plasma membrane can be attached to the lipids function as enzymes can be attached to the proteins are secreted as antibodies
Scientists have found that certain genes become turned on or off as a result of exercise mainly through a process called _____, in which tiny atoms attached themselves to the outside of a gene.
O acetylation
O mutation
O epigenetics
O methylation
While epigenetic alterations impact gene expression to switch genes "on" and "off," genetic modifications can modify which proteins are produced.
What are some examples of epigenetics?
Early experiences can also have long-lasting effects, as explained by epigenetics. Children's development is governed by the DNA they receive from their biological parents. For instance, how tall they might grow to be or what kind of disposition they might have.
Describe genetic and epigenetic terms.
The field of epigenetics investigates how cells regulate gene function without altering the DNA sequence. Greek for on or above, the term "epigenetic" refers to influences other than the genetic code. Epigenetic alterations to DNA control whether or not genes are activated.
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At a typical synapse, the chemically-gated channels that open when a neurotransmitter binds to its receptor are found here: a. On the presynaptic membrane b. On the postsynaptic membrane c. On the synaptic gap d. On the synaptic vesicles e. On the nodes of Ranvier
At a typical synapse, the chemically-gated channels that open when a neurotransmitter binds to its receptor are found here: on the postsynaptic membrane.
What is neurotransmitter?
In order to influence another cell across a synaptic gap, a neuron produces a chemical signalling agent known as a neurotransmitter. Any significant organ, target cell, gland, or muscle cell that receives the signal could be another neuron as well.
Neurotransmitters are released from synaptic vesicles in the synaptic cleft, where they can interact with receptors on the target cell. The neurotransmitter's impact on the target cell depends on the receptor to which it binds. From simple, plentiful precursors like amino acids, which are regularly transformed in a finite number of biosynthetic steps, a variety of neurotransmitters are created.
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are the chemoreceptor cells inside the taste buds. each gustatory cell terminates in a gustatory hair, which projects into the saliva to detect dissolved chemicals
Answer:
Gustatory Cells are the chemoreceptor cells inside the taste buds.
Explanation:
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QUESTION 2
Microorganisms that are aerobic require oxygen to live.
O True
O False
NEED HELP ASAP Observations: Record any observations about the cells you observed. What does the cell look like for each stage? What is a distinguishing visible feature of each stage of the cell cycle?
Stages Description of Cell
Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis
Data Analysis:
Interphase: During interphase, the cell is in a growth and metabolic activity phase. The cell appears round and uniform in shape with a visible nucleus and cytoplasm. The chromosomes are not visible during this stage.
Prophase: During prophase, the chromosomes begin to condense and become visible. The cell appears slightly elongated as the chromosomes line up at the center of the cell. The nuclear envelope begins to break down.
Metaphase: During metaphase, the chromosomes are fully condensed and aligned at the center of the cell, known as the metaphase plate. The cell appears elongated and the chromosomes are clearly visible.
Anaphase: During anaphase, the chromosomes are pulled apart and begin to move to opposite ends of the cell. The cell appears elongated with chromosomes at opposite ends.
Telophase: During telophase, the chromosomes begin to decondense and return to an interphase state. The nuclear envelope reforms and the cell appears round and uniform in shape with a visible nucleus and cytoplasm.
Cytokinesis: During cytokinesis, the cell physically divides and two daughter cells are formed. The cells appears to be identical to the parent cell but smaller in size.
A distinguishing visible feature of each stage of the cell cycle is the appearance and organization of the chromosomes. In interphase, the chromosomes are not visible, in prophase they start to condense and become visible, in metaphase they are fully condensed and aligned in the center, in anaphase they are pulled apart and move to opposite ends of the cell, in telophase they begin to decondense and return to an interphase state and in cytokinesis the cells physically divide.
the formation and breakdown of fructose 2,6-bisphosphate ..
group of answer choices a. is catalyzed by the same protein dependant upon whether it is phosphorylated or not. b. is catalyzed by the same protein dependant allosteric regulators. c. is catalyzed by different proteins. d. none of these
The formation and breakdown of fructose 2,6-bisphosphate are catalyzed by the same protein depending upon whether it is phosphorylated or not.
A two-functional enzyme that contains both P-2 and FPase-2, which is dephosphorylated to enable the PK-2 component to phosphorylate fructose 6-phosphate using ATP, is used to create Fru-2,6-P2. Fructose-2,6-P2, also known as fructose 2,6-two phosphate, is a metabolite that controls glycolysis and gluconeogenesis by allosterically influencing the activity of the enzymes fructose 1,6-bisphosphatase (FPase-1) and phospho-fructokinase 1 (PK-1).
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The phospholipid bilayer of membranes allows lipids and small, nonpolar molecules to pass across membranes, but prohibits the passage of ions and polar molecules. This occurs because the phospholipid tails areA. always saturated.
B. hydrophilic and hydrophobic.
C. a strong stiff barrier.
D. hydrophilic.
E. hydrophobic and within the membrane.
This occurs because the phospholipid tails are hydrophobic and within the membrane.
What is plasma membrane ?The membrane that isolates a cell's interior from its external environment is termed the plasma membrane, sometimes known as the cell membrane, and it can be found in every type of cell. On the exterior of both bacterial and plant cells, the plasma membrane is connected by a cell wall.
Between the interior organelles of the cell and the external environment, the plasma membrane serves as a physical barrier. The plasma membrane is a selectively permeable membrane, allowing only a limited number of molecules to enter and exit the cell.
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