Egg whites consist primarily of water and the protein albumin. When you fry an egg, why does the egg white turn from clear to white?
The protein acquires tertiary structure.
The protein becomes dissociated.
The protein becomes dehydrated.
The protein becomes denatured.
Answers
When you fry an egg, the egg white turns from clear to white because the protein becomes denatured. option (3)
What are egg whites?Egg whites are made up primarily of water and the protein albumin. When eggs are cooked, the protein in egg whites coagulates, transforming them from a clear liquid to a solid. As a result, proteins are responsible for the formation of the egg's physical structure.
What is protein denaturation?Protein denaturation is the process by which proteins lose their tertiary or quaternary structure and can no longer perform their biological function. Protein denaturation occurs when the bond between the amino acids that make up the protein molecule is broken. Proteins can be denatured by a variety of factors, including temperature, pH changes, and other environmental factors that alter the molecular interactions that keep the protein's shape intact.
When an egg is fried, the high heat denatures the protein in the egg whites, causing them to solidify and change color from clear to white.
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Full Question: Egg whites consist primarily of water and the protein albumin. When you fry an egg, why does the egg white turn from clear to white?
The protein acquires tertiary structure.The protein becomes dissociated.The protein becomes dehydrated.The protein becomes denatured.Related Questions
In late spring, a student began conducting an investigation about the flower preferences of bees. She counted the number of wildflowers in a small plot and created the following table.
Plant Species
Number of Plants
Dandelion
13
Indian paintbrush
8
Queen Anne’s lace
20
Thistle
29
She planned to observe the flowers for the next five days for an hour at the same time each afternoon. Then she would plot the data in a multiple line graph to compare the number of bees that visited each flower. Which statement best describes the data in this investigation?
The data would be more accurate if she carried out all the observations in one day so weather conditions would be constant.
The data would be more valid if she made the observations daily for two months.
The data she collected is inaccurate because the investigation is not repeatable.
The data she collected cannot be plotted in a line graph because it is qualitative.
Answers
Answer:
The data would be more valid if she made the observations daily for two months
Explanation:
observations over a longer period of time will always give you better data
how do prions, which are misfolded proteins, infect organisms? view available hint(s)for part a how do prions, which are misfolded proteins, infect organisms? prions enter brain cells through the lymphatic system and make copies of themselves. prions enter brain cells and cause normal forms of the protein to refold into the prion form. prions only arise through spontaneous mutation. they are not transmissible. prions recruit ribosomes to make more copies of the wrong form of the protein. none of the listed responses is correct.
Answers
Prions are unique infectious agents that differ from viruses, bacteria, and fungi. They are misfolded proteins that can infect organisms and cause degenerative neurological diseases such as Creutzfeldt-Jakob disease and Mad Cow disease. Prions have the ability to transform normal proteins into abnormal prion proteins by forcing them to adopt the same misfolded shape. Once this transformation occurs, the prions start to accumulate in the brain cells and cause damage.
The exact mechanism of how prions infect organisms is not fully understood, but it is believed that prions enter brain cells and cause normal forms of the protein to refold into the prion form. This conversion process is slow and progressive and can take years to manifest symptoms. The refolded prion protein then recruits other normal proteins to convert into the abnormal prion form.
Unlike viruses or bacteria, prions are not destroyed by typical sterilization methods and are resistant to most forms of radiation and heat. This makes it challenging to eliminate prions from contaminated surfaces and medical equipment.
In conclusion, prions infect organisms by inducing normal proteins to adopt the same misfolded shape, which leads to the accumulation of prions in the brain cells and subsequent neurodegeneration. Further research is needed to understand the mechanism of prion infection and develop effective treatments for prion diseases.
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Which of the following statements about the endocrine system is false?
A) It has target cells that are mainly in distant tissues.
B) It affects only cells with appropriate receptors.
C) It releases secretions directly into body fluids.
D) It is regulated by negative feedback mechanisms.
E) It releases hormones, all of which are lipids, directly into the bloodstream.
Answers
The statement "It releases hormones, all of which are lipids, directly into the bloodstream" is false because not all hormones are lipids. In fact, there are several types of hormones, including peptide hormones, steroid hormones, and amino acid derivatives.
The statement "It releases hormones, all of which are lipids, directly into the bloodstream" is false. This is the answer to the question which of the following statements about the endocrine system is false.The endocrine system is a complex network of glands and organs that secretes hormones. Hormones are molecules that act as chemical messengers and are released by the endocrine glands into the bloodstream, where they travel to distant target cells to exert their effects.The endocrine system is regulated by negative feedback mechanisms, meaning that the production and secretion of hormones are controlled by the levels of hormones in the blood. This is to ensure that the hormone levels remain within a normal range, which is essential for maintaining homeostasis.The endocrine system affects only cells with appropriate receptors, which are proteins on the surface of target cells that recognize and bind to specific hormones. This ensures that the hormones act only on the cells that need them.The endocrine system releases secretions, which are hormones, directly into the bloodstream, not body fluids. This allows the hormones to travel throughout the body and reach their target cells.The statement "It releases hormones, all of which are lipids, directly into the bloodstream" is false because not all hormones are lipids. In fact, there are several types of hormones, including peptide hormones, steroid hormones, and amino acid derivatives.
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Prokaryotes are better known as __________.
Answers
Prokaryotes, better known as bacteria, possess no nucleus and no advanced cellular machinery. They are unicellular and are only a small fraction of the size of a plant or animal cell.
Body cavities diagram I need help
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when the cell is said to be fired? if potential of body reaches a steady threshold values if there is impulse reaction during upbeat of heart none of the mentioned
Answers
Cells are stated to fire if and only if the body's potential hits a set, stable threshold value.
The connectors known as synapses are where neurons communicate with others. One neuron communicates with a target neuron—another cell—at the synapse. Chemical messengers are used by most synapses to interact with one another. In other synapses, which are electrical, ions move directly between the cells. Electrical impulses at the dendritic end cause the release of certain substances, which causes an electrical impulse to be produced at the axonal terminal of another neuron. The dendrite transmits this impulse to a cell body. It continues from the cell body to the axon. It then moves to the tip of the axon.
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what process usually uses carbon dioxide molecules
Answers
Answer:
respiration
Explanation:
respiration uses carbon dioxide molecules to make oxygen and water.
9. Which biome is home to permafrost?
desert
savanna
tundra
chaparral
Answers
Answer:
Tundra
Explanation:
Permafrost is a layer just beneath the surface of the ground that never thaws.
The biome that is home to frozen ground is the tundra biome, which is the third option, as frozen ground is a layer of soil or sediment that remains frozen throughout the year.
What is frozen ground?It is a layer of soil, sediment, or rock that remains frozen at or below 0°C for at least two consecutive years, and this frozen layer can be found in areas where the temperature is consistently below freezing and where there is little to no drainage of surface water, and the tundra biome is home to frozen ground due to its cold and dry climate, and it is also characterized by low-growing vegetation such as mosses, lichens, and grasses, as well as animals adapted to the cold and harsh conditions.
Hence, the biome that is home to frozen ground is the tundra biome, which is the third option.
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The cells of muscles, myocytes, develop from ________. a. myoblasts b. endoderm c. fibrocytes d. chondrocytes
Answers
Which part of an angiosperm contains seeds?
leaf
fruit
spore
pine cone
Answers
Answer:
fruit
Explanation:
Could somebody please help me?
Select the correct answer
Which biogeochemical cycle includes the exoskeleton and shells of marine organisms as a reservoir?
A) carbon
B) nitrogen
C) sulfur
D) oxygen
Thank you! :)
Answers
Answer: The answer is Oxygen.
A mammal's red blood cells produce the protein hemoglobin, which carries oxygen through the bloodstream. Its hair follicle cells do not produce hemoglobin. Which statement is true about these differences? A) The red blood cells contain different genes than the hair follicle cells, causing the cells to differentiate B) The red blood cells contain DNA, but the hair follicle cells do not C) A red blood cell and hair follicle cell have the same genes, but they are expressed differently D) The hemoglobin is produced from recombinant DNA, which is only found in red blood cells
Answers
Answer:
C) A red blood cell and hair follicle cell have the same genes, but they are expressed differently
Explanation:
All cells of a living organism contain the same genetic sequence i.e. they contain the same set of genes, however, differences in the expression of these genes may occur. This is responsible for the different specific roles or functions played by organs of the body system.
The expression of a gene refers to the process by which a gene is transcribed and translated into a protein molecule, which is responsible for traits in the body. Genes are expressed differently in order for certain cells to function differently and specifically. For example, difference in expression of genes is responsible for the ability of red blood cells to produce hemoglobin and the inability of hair follicle cells to, even if they contain same genes.
list three technologies that humans use to observe objects that are difficult to visit
Answers
Answer:
Telescopes, spectroscopes, space probes.
Explanation:
the enzyme rubisco is ______ as it adds o2 to ______. a carboxylase; 3‐pga a carboxylase; rubp an oxygenase; 3‐pga an oxygenase; rubp
Answers
The enzyme rubisco is a carboxylase as it adds carbon dioxide (CO2) to the 5-carbon compound ribulose-1,5-bisphosphate (RuBP) during the process of carbon fixation in photosynthesis.
This leads to the formation of two molecules of 3-phosphoglycerate (3-PGA), which is a crucial step in the Calvin cycle. Rubisco is considered to be one of the most important enzymes on Earth as it plays a key role in converting atmospheric CO2 into organic compounds that can be used by living organisms.
However, rubisco is also an oxygenase as it can add oxygen (O2) to RuBP, leading to the formation of one molecule of 3-PGA and one molecule of a two-carbon compound called phosphoglycolate. This process is known as photorespiration and can be detrimental to plants as it leads to a loss of fixed carbon and a consumption of energy. Therefore, rubisco's ability to act as both a carboxylase and an oxygenase has important implications for the efficiency of photosynthesis and the adaptation of plants to changing environmental conditions.
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The data of this lab
the
hypothesis because there was a difference in bird
beak distribution
Answers
Answer:
The answer is "supported and when fruit was removed"
Explanation:
It dated the idea from this laboratory because the distribution of avian beaks differed. If any kind of food available keeps shifting, the frequency of the beak types changes as beaks with beaks is far more suitable for food available. The data in this laboratory confirmed the theory, so because the fruit was removed by birds. These results of this laboratory confirm this idea because the dispersion of pigeons when food was taken was varied.
Answer: 1. supported 2. when fruit was removed
Explanation: :)
Scientist have discovered a new pathogen named Virus X. This infection causes its victims to suffer from severe diarrhea and is spreading quickly across major cities around the world. During their investigation, these researchers tracked the virus back to a population of pigs in Asia. These animals were not affected by the disease themselves but large numbers of the virus were found in their feces. In particular, when visiting one farm, scientists observed workers routinely going from taking care of the pigs to picking fruits and vegetables without washing their hands.
For this pathogen, the pig population would best be described as a..
vector
agent
reservoir
host
Answers
Answer:
reservoir
Explanation:
It wouldn't be agent because an agent is like viruses, bacteria, fungi, protozoa, and helminths. Most people would choose the agent because a lot of virus and bacteria is found in feces, but the question is asking for what the pig population is, not Virus X
It wouldn't be vector because a vector would be a living organism that transfers infectious agents to another living organisms like ticks and mosquitoes. The pigs are not biting and infecting anybody.
It wouldn't be host because a host is an infectious agent that is directly within an organism. And inside a host, the infectious agent would actually infect the host, but in the question it states that the pigs were not infected.
The only answer left is reservoir. And the answer is reservoir because a reservoir is where an infectious agent normally lives and reproduces, like and animal, or even soil. Because of the feces that the pig population produces, Virus X is able to live and reproduce. Exactly what a reservoir does.
Therefore, the answer to this question is the pig population would best be described as a reservoir
The reservoir is the place -animal, plant, or surface- where the microorganism can live, survive, and reproduce. In the exposed example, the pig population would be described as a reservoir.
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AgentWhen talking about agents we are referring to microorganisms that causes the disease.
Reservoir
The reservoir of microorganisms is the place where the agents live, survive, and reproduce.
It can be either an organism or an inert surface. It is the place outside the host.
They can or not be the source of transference to the host.
The reservoir is not affected by the agent.
When animals are reservoirs, the infectious diseases are called zoonosis. In general, zoonosis is transmitted from animal to animal, but human beings can be accidental hosts.
Host
The host is the plant or the animal where the microorganisms live and reproduce.
There are
final hosts → The animal or plant expresses the disease→ Adult stages of the microorganism
Intermedia hosts → The animal or plant does not express the disease→ Larvae or juvenile stages of the microorganisms
Vector
The vector is the necessary organism for the transmission of the disease.
In the exposed example, the pigs are the reservoir, because they are not affected by the disease, but viruses survive in their bodies and feces.
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Help please :) brainliest involved
Answers
Answer:
First Option
Explanation:
The other three options basically are the cell theory!
The cell theory states that:
The basic units of life are cells.All cells arise from other pre-existing cells.All living things are made of cells.Since the 3 options state this, the first option (that all of them are part of the theory) should be correct.
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What concept from microbiology is the most challenging and why? What can you do to learn more about this concept as you progress through nursing program and career?
Answers
Answer:
The overview of the particular topic is discussed in the section through the below clarification.
Explanation:
Microbiology seems to be the branch of philosophy that deals with some really small sentient creatures like bacteria as well as about there impact on human health. The profession deals with the analysis, component, as well as classification of such species, including to exploit as well as regulate their transactions.Nevertheless, their using it as manufacturing applications is usually a complex idea of microbiology. To understand everything concerning this idea, you will concentrate on several aspects of biotechnology to properly appreciate how would control micro-organisms to generate valuable material.Which is the most common source of energy used by towns and cities today?
Answers
Answer:
Burnable fuels
Explanation:
which group of organisms in level 4 of the energy pyramid
Answers
What is the morphological difference between acid-fast organisms and non-acid-fast organisms (what chemical is found in the cell wall of acid-fast organisms
Answers
The morphological difference between acid-fast organisms and non-acid-fast organisms is the presence or absence of mycolic acid in their cell walls, respectively.
This difference in cell wall composition affects the staining properties of these organisms and requires different staining techniques for their visualization and identification.
The morphological difference between acid-fast organisms and non-acid-fast organisms lies in the composition of their cell walls. Acid-fast organisms have a unique chemical called mycolic acid in their cell walls, which makes them resistant to staining with traditional dyes. On the other hand, non-acid-fast organisms lack mycolic acid in their cell walls and are easily stained by conventional methods.
Explanation: Acid-fast organisms, such as Mycobacterium tuberculosis, have a waxy layer of mycolic acid in their cell walls. This mycolic acid layer makes their cell walls impermeable to many stains, including the commonly used Gram stain. As a result, acid-fast organisms cannot be easily visualized using traditional staining methods. Instead, a special staining technique called the acid-fast staining is used, which involves using a lipid-soluble stain and heat to penetrate the mycolic acid layer and stain the bacteria. This staining method helps in the identification and diagnosis of acid-fast organisms, particularly in the case of tuberculosis.
On the other hand, non-acid-fast organisms, such as Escherichia coli, lack mycolic acid in their cell walls. As a result, their cell walls are not impermeable to stains, and they can be easily stained using conventional staining methods, such as the Gram stain. These staining methods involve using a combination of crystal violet and iodine to form a complex with the peptidoglycan layer of the cell wall, followed by a decolorization step and counterstaining. This staining process helps in the identification and classification of non-acid-fast organisms based on their Gram stain characteristics.
In conclusion, the morphological difference between acid-fast organisms and non-acid-fast organisms is the presence or absence of mycolic acid in their cell walls, respectively. This difference in cell wall composition affects the staining properties of these organisms and requires different staining techniques for their visualization and identification.
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5) What is the control center of a cell?
Answers
Answer:
The nucleus, formed by a nuclear membrane around a fluid nucleoplasm, is the control center of the cell
Explanation:
After Intravenous administration, galactose may be effectively used to target: Select one: O a. The vasculature O b. The stomach Oc. The spleen O d. The kidneys The liver e. Translation is: Select one: O a. O b. The delivery of a nanomedicine O. C. The process used by the ribosome to effect cell division The flow of information from RNA to protein O d. O e. The flow of genetic information from DNA to RNA A precancerous state
Answers
The liver and The process used by the ribosome to effect cell division. Therefore, option (E) and (C) are correct.
The liver has specific receptors for galactose, such as the asialoglycoprotein receptor, which allows galactose-conjugated molecules to selectively bind and be taken up by hepatocytes in the liver.
Translation is the process used by the ribosome to convert the information stored in RNA into proteins. During translation, the ribosome reads the mRNA sequence and assembles amino acids into a polypeptide chain according to the genetic code, leading to protein synthesis.
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the two regulatory systems in the human body are the __________.
Answers
Answer: endocrine and circulatory
Explanation:
Do you think these fish are an example of natural selection among two populations of the same species? Explain your answer.
Answers
Answer:
It depends on the fish (I do not see any pictures) Any fish is an example of natural selection.
Explanation:
A good example would be that polar bears grew and evolved to have white fur to blend in the snow to sneak upon prey. However, their brown bear counterparts failed to do that. So due to better camouflage and hunting technique, the polar bears survived more up north.
Answer:
The two fish are of the same species because they can mate with each other. Also, the characteristics of the blind cave fish enable them to live in caves. Eyes need energy. So, developing bodies with no eyes allowed these fish to function more efficiently.
Explanation:
how can a point mutation impact and organism
Answers
Answer:
it can be a hard like thing to get it from each
This type of activity increases heart rate and uses oxygen to provide energy as atp.
Answers
Proteins, lipids, and carbohydrates are broken down by oxygen during aerobic exercise to produce ATP. This pathway operates a little more slowly than anaerobic pathways but can produce more ATP since it relies on the circulatory system to deliver oxygen to working muscles. Aerobic, which means "with air," refers to the process by which the body converts oxygen into energy. This usually refers to any exercise session that lasts more than two minutes. "Steady state" exercise is defined as continuous aerobic activity. Anaerobic means "without air" and describes the body's capacity to produce energy.
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What forces are responsible for the movement of water in plants from roots to tree tops?
Answers
Answer:
In plants, the transpiration stream is the uninterrupted stream of water and solutes which is taken up by the roots and transported via the xylem to the leaves where it evaporates into the air/apoplast-interface of the substomatal cavity. It is driven by capillary action and in some plants by root pressure.
Explanation:
How Fast can you answer how fast can i give you brainliest????? HELP...
Answers
Answer:
Explanation:
I think it's b or d may a
Answer:
The answer is C: Pond
Explanation:
its definition is the closest to the question: a small body of still water formed naturally or by hollowing or embanking.
I deeply apologize if this is incorrect.
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The dominant allele is __________ if present. The recessive allele is only shown if ___________.
Answers
Answer: The dominant allele is always expressed if it is present. The recessive allele is only shown if there is no dominant allele.
Explanation: The dominant allele will always be visible, regardless of wether there is a recessive allele or two dominant alleles. If it is there at all, you will be able to see it. The recessive allele is only visible when there is NO dominant allele at all.