What problems can occur while your immune system fights the corona virus?
plz help me ASAP
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Related Questions
In what situations would overproduction of proteins be advantageous? In what ways would it be problematic?
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The overproduction of proteins can be advantageous in a variety of situations. For example, in biotechnology, overproducing a protein of interest can be used to purify and study its structure and function. This is useful for developing therapeutic drugs and understanding how proteins interact with each other in the cell. Additionally, the overproduction of proteins can be used to increase the production of bioproducts such as enzymes, antibodies, and hormones.
The overproduction of proteins can also be problematic in some situations. For example, excess production of certain proteins can lead to the formation of insoluble aggregates, which can interfere with normal protein function and lead to various disorders, such as Alzheimer’s disease. Additionally, overproduction of certain proteins can create a burden on the cell, as excess proteins need to be processed and degraded, which can be energy-intensive. Finally, if the protein of interest is toxic or contains toxic components, overproduction can lead to cell death or other harmful effects.
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an organism has cysteine as a growth factor. what can we infer from this?
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If an organism requires cysteine as a growth factor, it implies that the organism cannot synthesize cysteine on its own and depends on an external source to obtain this amino acid for growth and development.
Cysteine is a non-essential amino acid for many organisms, meaning that they can produce it through various biosynthetic pathways. However, in some cases, organisms may lack the enzymes or metabolic pathways necessary to synthesize cysteine. When an organism is classified as a cysteine auxotroph, it means that it requires an exogenous supply of cysteine to meet its nutritional needs. Without access to cysteine, the organism may not be able to synthesize important proteins or metabolites that contain cysteine as a crucial component.
The need for cysteine as a growth factor may have implications in terms of the organism's environmental requirements and the availability of cysteine-rich sources in its natural habitat. It suggests that the organism must either acquire cysteine from the environment or rely on symbiotic relationships with other organisms that can provide it. Understanding an organism's growth factor requirements, such as cysteine, can have implications for its culture or cultivation, nutritional supplementation, and understanding its metabolic capabilities and limitations.
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A herblvore needs to find what type of food from its surroundings?
Enter your answer
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An herbivore is an animal or insect that only eats vegetation, such as grasses, fruits, leaves, vegetables, roots and bulbs. Herbivores only eat things that need photosynthesis to live. This excludes insects, spiders, fish and other animals.
Which of the following can lead to cancer?
A. a disruption in the cell cycle
B a cell entering the G0
C. A cell never leaving G0
D. The death of a cell
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The option that can lead to cancer is a disruption in the cell cycle (option A).
What causes cancer?Cancer is a disease in which the cells of a tissue undergo uncontrolled (and often rapid) proliferation.
Cell cycle is the life cycle of eukaryotic cells from a quiescent beginning, growth, duplication of DNA followed by mitosis and division. The period of time in the cell cycle when nothing is happening is known as the G0 phase i.e. inactivity.
Cancer is a genetic disorder. It happens when genes that manage cell activity mutate and create abnormal cells that divide and multiply, eventually disrupting how the body works.
Therefore, disruption or alteration in the normal procedure of the cell cycle can lead to cancer.
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During production of a drug, all work area surfaces must be disinfected using sterilized disinfectants. Which of the following statements about disinfectants are true? Select all that apply. View Available Hint(s)for Part A Disinfectants destroy all microbes present on a surface. Disinfection can be used to treat work surfaces as well as workers (i.e., washing hands). Disinfection can occur by physical or chemical means. Disinfectants are used to inhibit or destroy pathogens. Endospores and viruses can resist disinfectant treatment.
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Answer: The correct options are
--> Disinfectants are used to inhibit or destroy pathogens,
--> Disinfection can occur by physical or chemical means,
--> Endospores and viruses can resist disinfectant treatment.
Explanation:
To prevent infectious diseases from spreading or to sterilise work area surfaces during the production of drugs, chemicals known as disinfectants as used. These are chemicals that kill or inhibit the growth of pathogens. Other chemicals such as antiseptics can also kill and prevent the growth of mainly pathogenic microorganisms. However, disinfectants are stronger chemicals than antiseptics and so are often used on non-living things and surfaces.
Disinfection does not necessarily kill all microorganisms, especially resistant bacterial spores (endospores) and viruses, so it is less effective than sterilisation.
There are generally two methods of disinfection:
--> The chemical method: A typical example of a chemical disinfectant is the carbolic acid. It is used for disinfecting lavatories and floors.
--> The physical method: here, physical agents are use to disrupt and damage the pathogenic organisms on work surfaces. Some typical example include: UV irradiation, heat, sunlight exposure, sonic or hydrodynamic pressure and radiation.
21. Choose one of the hypotheses from Question 20. Describe how you could set up an experiment to test the hypothesis by listing your experimental groups, control group, and at least 2 constants you would need to have.
this is question 2020. Identify the independent and dependent variables in the hypotheses below: (4 pts)
A. If a player practices longer, then he will score more points in the game.
B. If students eat a high-protein breakfast, then they will score higher on their biology test.
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Answer:
Biologists and other scientists use the scientific method to ask questions about the natural world. The scientific method begins with an observation, which leads the scientist to ask a question. She or he then comes up with a hypothesis, a testable explanation that addresses the question.
A hypothesis isn't necessarily right. Instead, it's a "best guess," and the scientist must test it to see if it's actually correct. Scientists test hypotheses by making predictions: if hypothesis \text XXstart text, X, end text is right, then \text YYstart text, Y, end text should be true. Then, they do experiments or make observations to see if the predictions are correct. If they are, the hypothesis is supported. If they aren't, it may be time for a new hypothesis.
How are hypotheses tested?
When possible, scientists test their hypotheses using controlled experiments. A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant. We'll look closely at controlled experiments in the next section.
In some cases, there is no good way to test a hypothesis using a controlled experiment (for practical or ethical reasons). In that case, a scientist may test a hypothesis by making predictions about patterns that should be seen in nature if the hypothesis is correct. Then, she or he can collect data to see if the pattern is actually there.
Controlled experiments
What are the key ingredients of a controlled experiment? To illustrate, let's consider a simple (even silly) example.
Suppose I decide to grow bean sprouts in my kitchen, near the window. I put bean seeds in a pot with soil, set them on the windowsill, and wait for them to sprout. However, after several weeks, I have no sprouts. Why not? Well...it turns out I forgot to water the seeds. So, I hypothesize that they didn't sprout due to lack of water.
To test my hypothesis, I do a controlled experiment. In this experiment, I set up two identical pots. Both contain ten bean seeds planted in the same type of soil, and both are placed in the same window. In fact, there is only one thing that I do differently to the two pots:
One pot of seeds gets watered every afternoon.
The other pot of seeds doesn't get any water at all.
After a week, nine out of ten seeds in the watered pot have sprouted, while none of the seeds in the dry pot have sprouted. It looks like the "seeds need water" hypothesis is probably correct!
Let's see how this simple example illustrates the parts of a controlled experiment.
Explanation:
Enter the correct 4 digit code (no spaces)
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Answer:1243
Explanation:
Answer:
4123
Explanation:
I'm working on the same except mine says level two
Polydactyly (extra fingers or toes) is inherited by a dominant allele (F). A father is polydactyl, the mother has the normal number of fingers, and they have had one normal child. What are the genotypes of all the individuals involved? What is the probability that a second child will have a normal number of fingers.
Show your work.
the father ___ the mother ___
the first child ___
probability of a child with five fingers ___
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Given, Polydactyly (extra fingers or toes) is inherited by a dominant allele (F). A father is polydactyl, the mother has the normal number of fingers, and they have had one normal child. We need to determine the genotypes of all the individuals involved and the probability that a second child will have a normal number of fingers
Main Answer:The father's genotype would be FF as he is polydactyl.The mother's genotype would be Ff as she has a normal number of fingers, meaning she has one normal allele and one dominant allele.The first child's genotype would be Ff because it has one normal allele from the mother and one dominant allele from the father.Genotypes of all the individuals are:Father - FFMother - FfChild - FfExplanation:Given, father has polydactyl which is a dominant trait. Thus, the father's genotype is FF.Mother has a normal number of fingers and she doesn't have polydactyl. Thus, the mother's genotype is Ff. She has a normal allele and a dominant allele.Child has a normal number of fingers, and we know that he is not homozygous dominant because he is not polydactyl. Thus, the child's genotype is Ff.
Therefore, the genotypes of all the individuals involved are father- FF, mother - Ff, child - Ff.The probability of a child with five fingers is 3/4 or 0.75 because the probability of inheriting the dominant allele from the father is 1, and the probability of inheriting the normal allele from the mother is 1/2. The probability of having a normal child would be the probability of inheriting a normal allele from the mother, which is 1/2, multiplied by the probability of inheriting a normal allele from the father, which is 1/4. Thus, the probability of a second child having a normal number of fingers is 1/2 × 1/4 = 1/8 or 0.125.
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Drag and drop each tissue or structure to the germ layer from which it is derived. Ectoderm Mesoderm Endoderm red blood cells central nervous system notochord kidney tubule cells thyroid follicular cells epidermis peripheral nervous system lung alveolar cells pancreatic acinar cells skeletal muscle
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Ectoderm: central nervous system, peripheral nervous system, epidermis Mesoderm: notochord, kidney tubule cells, skeletal muscle Endoderm: red blood cells, thyroid follicular cells, lung alveolar cells, pancreatic acinar cells
I'll list the germ layers and their corresponding tissues or structures:
Ectoderm:
- Central nervous system
- Epidermis
- Peripheral nervous system
Mesoderm:
- Red blood cells
- Notochord
- Kidney tubule cells
- Skeletal muscle
Endoderm:
- Thyroid follicular cells
- Lung alveolar cells
- Pancreatic acinar cells
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can somebody help me please. thanks
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Reasoning:
Schleiden and Schwann, as well as Virchow, are generally seen as the founders of the cell theory, due to their pioneering scientific work in the 1800s. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.
Evidence: The cell theory has many complexities and is of importance due to its affect to nearly every aspect of biology, from our comprehension of life & death, managing diseases, cycles and etc. But early scientists had no tools to study cells. They didn't even know about them. It took the invention of the microscope to view them and to begin an understanding of cells.
(Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope.) Matthias Schleiden observed that all plants were made of cells from the microscope and Theodor Schwann observed that all animals were also made of cells. Rudolf Virchow observed that cells only come from other cells Virchow saw cells dividing and added that living cells arise only from other living cells. These ideas led to cell theory, which states that all organisms are made of cells, all life functions occur in cells, and all cells come from other cells.
biogeography evidence for evolution definition
use your own words
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examples = blue moon butterfly (there was a parasite that attacked male embryos, but the ones who were immune lived to breed), brightly colored peacocks (females choose the males with the brightest feathers, so the genes for bright feathers would be passed down)
When storm clouds produce lightning and thunder,
electric potential
energy changes to
energy and
energy.
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2. What must evolutionists never consider?
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Answer:
Evolution is unscientific because it is not testable or falsifiable. It makes claims about events that were not observed and can never be re-created. This blanket dismissal of evolution ignores important distinctions that divide the field into at least two broad areas: microevolution and macroevolution. Microevolution looks at changes within species over time—changes that may be preludes to speciation, the origin of new species. Macroevolution studies how taxonomic groups above the level of species change. Its evidence draws frequently from the fossil record and DNA comparisons to reconstruct how various organisms may be related.
Evolution is not science because it is not observable or testable. Evolution is 'just' a theory. Evolutionary theory is invalid because it is incomplete and cannot give a total explanation for the biodiversity we see around us. Gaps in the fossil record disprove evolution.
6a. Another enterprising MVHS student decided to take this question one step further. Plants were
grown in a closed system that allowed the student to control the amount of carbon dioxide provided to
each plant. The mass of each plant was determined before and after the experiment. The results are
shown below.
Change = final measurement - initial measurement
% Change = Change/initial measurement x 100%
Mass Before
Change
Concentration of
CO₂
0%
1%
3%
5%
10%
20
20
20
20
20
Mass After
15
18
21
26
35
% Change
6b. Based on the data above, what is the relationship between the amount of carbon dioxide provided to a
plant and the amount of mass it accumulates? Explain your answer.
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Based on the data, there appears to be a positive relationship between the amount of carbon dioxide provided to a plant and the amount of mass it accumulates.
What is photosynthesis?The process by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
The plant lost 25% of its starting mass when no more CO2 was present (0% concentration).
The percent change in mass decreased as CO2 concentration rose until it reached a concentration of 3% CO2, at which point there was no change in mass.
The fact that carbon dioxide is one of the essential ingredients in the process of photosynthesis, which enables plants to produce energy and expand, can be used to explain this relationship.
Plants are able to create more energy and so assemble greater mass when carbon dioxide concentration rises.
Thus, there is a correlation between a plant's mass accumulation and the amount of carbon dioxide that is supplied to it.
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valence electrons are :
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Answer:
Valence electrons are basically electrons in the outermost shell of an element.
After the egg hatches, the amphibian breathes with gills and swims around in the water. What stage of the amphibian life cycle is this?
adult stage
larvae stage
egg stage
metamorphic stage
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After the egg hatches, the amphibian breathes with gills and swims around in the water therefore the stage of the amphibian life cycle is larvae stage and is denoted as option B.
What is an Amphibian?This is referred to as a cold-blooded vertebrate animal which is characterized by having an aquatic gill-breathing larval stage followed by a terrestrial lung-breathing adult stage. Example of this type organism include frogs, salamanders etc and they don't undergo the pupa stage in their life cycle.
In the larval stages, they use gills to respire as they live in water and as the larvae grows and mature they develop lungs to respire on land. This is therefore the reason why they are able to survive in both aquatic and terrestrial environment and is therefore the treason why option B was chosen as the correct choice.
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what technological advantages allow seafaring Arabs during the middle Ages to dominate the Mediterian Sea and trade with east Africa, India, and southeast Asia?
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The technological advantages that allowed seafaring Arabs during the Middle Ages were their retaining ancient and classical European discoveries, military engineering, metallurgy, glassmaking, etc.
What are technologies?Technologies are advancements in old things. These advancements are based on scientific theories and experiments. The products that were in demand were exported by Arabs like spices, stones, metals, silk, etc.
Thus, Arabs could navigate the seas thanks to technological advantages such as preserving classical and ancient European discoveries, military engineering, metallurgy, glassmaking, etc.
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which one of the following correctly matches the organelle with its function
A. cell wall produces energy for the cell
B. nucleus: control center of the cell
C. cell membrane gives rigid structure that supports the other organelles
D. chloroplasts: colorless, jelly-like substance that supports the other organelles
HELP NOW GIVING BRAINLESS
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hemophilia is a condition in which the blood cannot clot properly. hemophilia is caused by a recessive allele carried on the x chromosone. suppose a mother who carries hemphilia on her x chromosone has children with a man that has hemophilia. whicj of the following
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All of their daughters will either have haemophilia or show symptoms of it.
What contributes to hemophilia?A mutation or change in one of the genes, which codes for the proteins that form the clotting factor necessary for a blood clot, results in hemophilia. The clotting protein may no longer exist or function improperly as a result of this change or mutation. On the X chromosome are these genes.
Hemophilia A is brought on by changes in the FVIII gene. Hemophilia B is brought on by FIX gene mutations. The process of blood clotting depends heavily on the proteins produced by these genes. Mutations in either gene prevent clots from forming in the event of an injury, resulting in excessive bleeding that may be challenging to stop.
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why might the pure water well prove to be an unreliable water source in the future
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Answer:
Wells can dry up or become contaminated, this question isn't really clear so it's hard to say. It can become contaminated by underlying salt water, heavy metals, or man-made pollutants. Wells also dry up frequently and become unusable.
An unfertilized egg lives for about ____ before it disintegrates.
a. two days
b. 12 hours
c. 24 to 36 hours
d. three days
e. one week
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An unfertilized egg lives for about 24 to 36 hours before it disintegrates.
Once an egg is released from the ovary, it travels through the fallopian tube towards the uterus. If the egg is not fertilized by sperm within 24 to 36 hours, it will disintegrate and be absorbed by the body.
It is important for those trying to conceive to understand the timeline of ovulation and fertilization to increase their chances of successful conception.
After ovulation, an unfertilized egg has a limited lifespan during which it can be fertilized by sperm. This period typically lasts around 24 to 36 hours, after which the egg disintegrates if not fertilized.
The correct option is (c) 24 to 36 hours for the lifespan of an unfertilized egg before it disintegrates.
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Why do plants have to perform cellular respiration and photosynthesis?
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Answer:
Answer. Like all other organisms, plants require energy to grow and thrive in their environment. The process of cellular respiration allows plants to break down glucose into ATP. ... Although plants use photosynthesis to produce glucose, they use cellular respiration to release energy from the glucose
Explanation:
How are all fungi and all protists alike?
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Explanation:
Since plants and fungi are both derived from protists, they share similar cell structures. Unlike animal cells, both plant and fungal cells are enclosed by a cell wall. As eukaryotes, both fungi and plants have membrane-bound nuclei, which contain DNA condensed with the help of histone proteins.
Explanation:
Both are eukaryotic organisms and have well-defined nuclus, cell organells.
Fill the boxes to describe how precpitation forms.
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Rain, hail, and snow are the three most frequent kinds of precipitation. Water droplets that fall to the Earth's surface as precipitation are referred to as rain.
What is precipitation?Raindrops develop around minute cloud condensation nuclei, such as dust particles or pollutant molecules.
Any product of barometrically condensed water vapor falling to the ground is referred to as precipitation. Rain, sleet, snow, hail, and showers are among the main forms of precipitation.
Therefore, precipitation occurs when a section of the environment becomes submerged in water vapor, causing the water to collect and "precipitate".
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Which of the following statements about cutaneous nociceptors is/are true? a. They have a steady spontaneous firing rate
b. They have a lower activation threshold compared to non-nociceptive receptors
c. They are free nerve endings
d. both a and c
e. both b and c
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Cutaneous nociceptors are sensory receptors found within the skin that detect painful stimuli. These are free nerve endings that are capable of sensing changes in temperature, pressure, and chemicals. Therefore, option E, "both b and c" is the correct answer.
They're not capable of detecting touch or vibration. Cutaneous nociceptors have a lower activation threshold compared to non-nociceptive receptors. As a result, these receptors respond more easily to mechanical or thermal stimuli and have a higher firing rate in response to noxious stimuli.
They are thought to have a steady spontaneous firing rate, which indicates that they are continuously detecting and transmitting information even in the absence of external stimuli. Cutaneous nociceptors, as previously stated, are free nerve endings. They're found in the skin and are responsible for detecting a wide range of noxious stimuli, including heat, cold, and chemical irritants. Because of their extensive distribution throughout the skin, they're critical for sensing pain and alerting the brain to potential tissue damage.
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Humans have
chromosome pairs.
DONE
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Answer:
True
Explanation:
Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.
The wrasse eats parasites off the parrot fish. The parrot fish protects the wrasse from predators.symbiotic relationship
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Commensalism is a long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed.
1 point
2) 'Glucose + Yeast ---> Ethyl
Alcohol + Carbon dioxide' is the
equation of : *
O a) Nitrification
O b) Nitrogen fixation
O c) Pasteurisation
O d) Fermentation
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Answer:
d. fermentation is the equation
6. Challenge: Based on the weathering patterns, guess the rock type shown in each photo.
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What type of system is required to maintain the amount of sugar in the blood at a certain
level, making sure it does not rise too high or fall too low?
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Answer:
The Digestive system.
Explanation:
Even though the Cardiovascular system pumps the blood in the body, blood sugar is dependent on the regulating hormones insulin and ketone. Which are created in the liver. And the liver is part of the Digestive system. Diabetes, hypoglycemia and hyperglycemia are results of a faulty liver.