A layer of glucosamine, beta-glucan, and mannoproteins makes up the cell walls of yeast and other fungus. The major stain crystal violet is retained by the fungal cell wall because it is thick and stiff.
What disease does Saccharomyces cause?S. cerevisiae, however, has been linked to serious opportunistic infections in people with cancer, chronic illnesses, and immunosuppression. There have been reports of esophagitis, endocarditis, asthma, pancreatitis, urinary infections, and skin infections.
Saccharomyces: Is it good or bad?Despite being a form of yeast, Saccharomyces boulardii functions as a probiotic. According to some studies, it is effective in both treating and preventing antibiotic-induced diarrhea as well as traveler's diarrhea. Additionally, it could help with acne treatment and lessen the negative effects of antibiotic therapy for H.
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Do x-rays increase cancer risk?
X-rays do potentially increase cancer threat, but the threat is veritably small. X-rays are a form of radiation, and radiation exposure is linked to an increased threat of cancer.
Studies have shown that radiation exposure from anx-ray may increase a person’s threat of developing cancer by a veritably small quantum. The threat is lesser with advanced boluses of radiation, and the threat generally increases with age. still, the benefit of carrying anx-ray generally outweighs the implicit threat. This is becausex-rays can be important in diagnosing conditions and medical conditions, and in some cases, they can indeed save lives. thus, it's important for people to talk to their croaker about the pitfalls and benefits of getting anx-ray.
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X-rays may increase the risk of cancer, however the risk is incredibly low. X-rays are a type of radiation, and radiation exposure has been associated with a higher risk of developing cancer.
According to studies, exposure to radiation from x-rays can slightly raise the risk of acquiring cancer in some people. Advanced radiation boluses have a lower concern, and the threat often rises with advancing years.
Nevertheless, the advantage of having an x-ray usually outweighs the potential danger. This is due to the fact that x-rays can be useful in the diagnosis of illnesses and other diseases, and in some circumstances, they really can save lives. Therefore, it's crucial that patients discuss the drawbacks and advantages of getting an x-ray with their doctor.
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Do older siblings live longer?
No according to research younger siblings live longer.
There is emerging evidence in the form of studies that suggest being the youngest child in a family may confer significant positive health outcomes. The youngest child in a family tends to be healthier and have a lower body mass index, according to the findings of certain researchers. As a direct consequence of this, younger siblings have a greater chance of outliving their elder brothers and sisters.
The younger siblings are often seen as the adventurers of the family and are more prone to developing addictive behaviors like drinking and smoking. Putting risky habits aside, this group appears to be the healthiest, whereas elder siblings have a higher risk of developing cancer, diabetes, high blood pressure, and obesity.
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phosphocreatine (pcr) is an energy-rich compound found in ______ tissue.
An energetic substance called phosphocreatine (PCr) is present in the muscle glycogen.
The rate of energy consumption in skeletal muscles can increase by more than 100-fold virtually immediately during intense activity. Muscle cells have mitochondria to accommodate this energy demand. These organelles, often known as the "power plants" of the cell, transform nutrients into the molecule ATP, which serves as a form of energy storage.
In order to replenish ATP, the ATP-creatine phosphate system moves a high-energy phosphate from creatine phosphate to adenosine diphosphate (ADP). This anaerobic system can supply ATP for exercises like sprinting and weightlifting for about 30 seconds.
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why is resource partitioning advantageous for species that would otherwise compete for the same realized niche
Resource partitioning is advantageous for species because there is less competition among species and they coexist.
If one or both of the species that are competing evolve to use a different resource, occupy a different area of the habitat or feed at different times of the day, then competitive exclusion may be avoided. The fact that two similar species use resources that do not overlap much means that their respective niches have become distinct as a consequence of this type of evolutionary process.
This practice, known as resource partitioning, makes it easier for different species to coexist by reducing the amount of direct competition that exists between them.
An excellent illustration of resource division can be seen in the anole lizards that are native to the island of Puerto Rico. Within this group, different species have developed as a result of natural selection; these species make use of various resources in their environment.
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an unexpected freeze that kills a population of chipmunks is an example of ______.
An unexpected freeze that kills a population of chipmunks is an example of a density-independent.
A density-independent is the density factor of a habitat that is not affected by the size of the species population. All populations of species in the same ecosystem will be affected equally, regardless of population size. Independent factor density often occurs due to non-biological phenomena such as physical and chemical. The population of living things in the vicinity will be affected by extreme weather, climate, and natural disasters such as landslides, forest fires, floods, and other disasters.
In the above cases, a population of chipmunks froze to death. The freezing is caused by extreme weather. Since the cause of the chipmunks' death is extreme weather, this case can be categorized as an independent density example.
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A student claims that for
an organism to be called purebred the two
alleles for a trait must be the same and that
both alleles must be also dominant. Do you
agree? Explain.
No, I do not agree with this statement. For an organism to be called purebred, the two alleles for a trait must be identical.
What exactly do you mean by Allele?
An allele is one of two or more forms of a gene that can exist at a particular locus on a chromosome. Alleles can be dominant, meaning that a single copy of the allele is enough to express the gene, or recessive, meaning that two copies of the allele are needed to express the gene.
However, the alleles can be either dominant or recessive. For example, a purebred white rabbit has two identical alleles for the white fur trait, with one allele being dominant (W) and the other allele being recessive (w). Thus, an organism can be considered purebred even if one of the alleles is recessive.
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Fruit farmers graft branches from trees with desirable characteristics on to the trunks of other trees in a process called grafting. The resulting tree produces fruit identical to the source tree. Which term best describes grafting?
A sexual reproduction
B budding
C meiosis
D asexual reproduction
increasing the mass of an object will ____ its kinetic energy
Answer:
Increase
Explanation:
As the mass of an object increases, it will always have more kinetic energy than an object with less mass.
Aerobic metabolism normally provides ________ percent of the ATP demands of a resting muscle cell.
A) 70
B) 95
C) 25
D) 50 E) 100
Aerobic metabolism normally provides 95 percent of ATP demands of a resting muscle cell.
During this process the mitochondria absorbs oxygen,phosphate ions,and organic substrates along with ADP from the surrounding cytoplasm. Primarily by the activity of the electron transport system,it releases large amounts of energy and the energy is used to make ATP.
By this process 17 ATP molecules are gained. Now for resting muscle cells the demand for ATP is low,and the mitochondria gets enough oxygen to meet the demand. Therefore the extra ATP is used to build reserves of glycogen. But for moderate levels of activity the demand of ATP increases which is met by the mitochondria as a result oxygen consumption increases.
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if the codon ggu is positioned in the a site of the ribosome, which of the following will occur?
The location will receive the amino acid from a tRNA bearing the anticodon CCA.
What typically puts an end to the translation process?The termination process is how translation comes to an end. Once a stop codon (UAA, UAG, or UGA) in the mRNA enters the A site, the process is terminated. Release factors, which aren't tRNAs but neatly fit into the P site, are proteins that identify stop codons.
A mRNA codon consists of how many bases?Codons are composed of three bases. Many of these codons can be found in messenger RNA, where a sequence of three bases is followed by three more bases, three more bases, and so on.
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Taxonomy consists of all of the following activities EXCEPT __________.
a.classification
b.identification
c.nomenclature
d.staining
If an atom carries no charge, the positive charges from protons are balanced by the negative charges from the.
If an atom carries no charge, the positive charges from protons are balanced by the negative charges from the electrons.
The majority of an atom's mass is made up of protons and neutrons in the nucleus. Neutrons lack charge, whereas protons have a positive charge. Since only protons and neutrons make up the nucleus, it has a positive charge. The atom is stable because electrons spin around a positively charged nucleus and their negative charges cancel out the nucleus's positive charge.
Consequently, atom stability depends on the positive charge of the nucleus.
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Lily feels tired and weak in the evenings after work. Before starting her chores, she eats dinner. Which characteristic of life does Lily exhibit?
The characteristics of life that Lily exhibited was the need for energy. That is option B.
What are the characteristics of life?The characteristics of life are those features that living things exhibit that helps them to survive in an environment.
The characteristics of living organisms include the following:
Cellular organization, the ability to reproduce, growth & development, energy use,Homeostasis, Response to their environment, and The ability to adapt.Therefore, since lily feels tired and took her dinner before her chores, it then means there is need for energy which can be obtained from the metabolism of food taken in.
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Complete question:
Lily feels tired and weak in the evenings after work. Before starting her chores, she eats dinner. Which characteristic of life does Lily exhibit?
A)growth
B)need for energy
C)organization
D)regulation
Which of the following does NOT describe enzymes?
O Some enzymes are purely protein.
O Each enzyme is chemically specific.
O Enzymes work by raising the energhof activation.
O Some enzymes are protein plus a cofactor.
Among the following (C) "Enzymes work by raising the energy of activation" does NOT describe enzymes.
Proteins are the primary component of enzymes, although more complicated enzymes may additionally incorporate a cofactor.A chemical reaction can be sped up with the help of enzymes, which act as catalysts.The substrate that an enzyme can only bind to is of a very specific kind.The activation energy of a chemical reaction can be lowered by the presence of enzymes, which in turn speeds up the reaction.So among the following (C) "Enzymes work by raising the energy of activation" does NOT describe enzymes.
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What is the route of entry that leads to most work related sickness?
The most typical way for workplace chemicals to reach the body is through the air we breathe.
When they come into touch with skin, several substances can enter the bloodstream through the skin. A possible entrance point is the eyes.
Contaminants that reach a deep level in the lower parts of the lungs are what cause the most severe harm. The main way that dangerous substances enter a working environment is through the lungs.
You can breathe in almost any substance that is airborne. One such entrance point is by skin absorption.
the three primary entrance points
Inhalation (breathing) (breathing) Absorption (skin contact) (skin contact) Ingestion (eating) (eating) Injection.
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During anaerobic respiration a common final electron acceptor is _____.a. FADH2b. glucosec. NO3d. oxygene. pyruvic acid
During anaerobic respiration, a common final electron acceptor is (e) pyruvic acid.
The aerobic respiration process of oxidative phosphorylation, which occurs in the mitochondria, results in the production of ATP. This mechanism heavily relies on the electron transport chain. In order to create a potential gradient, the electrons pass through a sequence of electron donors and carriers.
This gradient aids in the production of ATP. The oxygen is reduced by the hydrogen from NADH during this process, and it eventually accepts the electron in the chain. Water molecules are therefore created as a result of the terminal electron acceptor.
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Countries with a high tfr sometimes have very young populations. why are young populations so challenging and expensive for a country to care for? a. they require more healthcare, immunization, and check-ups for children. b. they require more pensions for retiring workers. c. they require more care for the elderly. d. they require more workers because so many are retiring. please select the best answer from the choices provided. a b c d
Countries with a high TFR sometimes have young populations so challenging and expensive for a country they require more healthcare, immunization, and check-ups for children to care for young population.
So the correct answer is option A
The average number of children a woman in a nation has over her lifetime is known as the total fertility rate (TFR). It is linked to other statistics like population growth and fertility rates. There are more children and young adults because of the high TFR. There would be more children in the population, which would need spending more on education as well as healthcare, including more immunisations and checks. The total fertility rate (TFR) is the average number of children a woman would have over the course of her lifetime assuming her age-specific fertility rates remained the same (ASFRs). from the time of her birth till the end of her reproductive years.
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Name two genetic disorders and explain the type of mutation
that causes each.
What type of marine science work would be nearly impossible without the use of ROVs?
The type of marine science work which would be nearly impossible without the use of ROVs is exploration.
What is ROV?This is known as remotely operated vehicle and it is used under water for various types of activities due to the fact that it can stay underwater much longer than a human diver as a result of unique properties it possesses.
Exploration on the other hand is referred to as the activity of finding oil or gas and it consists of operations such as aerial surveys, geophysical surveys, etc for maximum yield and result.
The use of remotely operated vehicle is important as it stay underwater much longer than a human diver and increases the time which is needed for the exploration activities by the trained professionals thereby making it the correct choice.
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How many chromosomes does meiosis 1 have?
Toward the start of meiosis I, a human cell contains 46 chromosomes, or 92 chromatids (a similar number as during mitosis).
After meiosis, I, a diploid parent cell that has 46 chromosomes will deliver two little girl cells that are haploid and will just have 23 chromosomes. During meiosis I, the homologous chromosomes are discrete. After meiosis II, the little girl cells will in any case have 23 chromosomes each.
In the first, known as meiosis I, the homologous chromosomes are discrete and isolated. During meiosis II the sister chromatids are independent and isolated. Note how meiosis I and II are both partitioned into prophase, metaphase, anaphase, and telophase.
In meiosis I, chromosomes in a diploid cell resegregate, delivering four haploid little girl cells. This move toward meiosis produces hereditary variety. DNA replication goes before the beginning of meiosis I. During prophase I, homologous chromosomes pair and structure neural connections, a stage extraordinary to meiosis.
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Which two pieces of data indicate that Jupiter resides in the outer region of the solar system?
Answer:
(1) Jupiter is located beyond the orbit of Neptune.
(2) Jupiter has a greater mass than all the other planets in the solar system
Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an
adjacent cell through
Select one:
a.
plasmodesmata
b.
tight junctions.
c.
desmosomes
d.
gap junctions
Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through gap junctions.
The correct option is D.
What is cytoplasm and its function?The gel-like substance that fills a cell is called cytoplasm. It serves as a catalyst for chemical reactions. It offers a foundation for other organelles to function within the cell. A cell's cytoplasm is where all of the processes for cell division, growth, and replication take place.
Without cytoplasm, what happens?In general, cells cannot live without their gel-like cytoplasm since many of the chemical processes required to maintain them as well as the anchoring of numerous cell organelles take place there. The organelles would cease to function if the cytoplasm were removed, which would result in cell death.
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how do the potential energy and the kinetic energy change when the skateboard is at the top or the bottom of the hill? why do you think this change occurs?
Answer:
As the skateboarder goes down the ramp, potential energy is converted to kinetic energy
Explanation:
Because of friction, some of the energy in the system is converted to heat energy. Once the kinetic energy is converted to heat, the energy cannot be converted back to the potential or kinetic energy in the system.
Why is cardiorespiratory fitness considered the most important component of fitness?
Cardiorespiratory fitness is considered the most important component of fitness due to its role in providing the body with the energy and endurance needed to engage in physical activity.
Cardiorespiratory fitness is considered the most important component of fitness due to its role in providing the body with the energy and endurance needed to engage in physical activity. Cardiorespiratory fitness refers to the ability of the heart, lungs and circulatory system to deliver oxygen to working muscles and remove waste products during sustained physical activity. This component of fitness is essential for physical health, as it helps to strengthen the heart and lungs and improve the efficiency of the circulatory system.
Cardiorespiratory fitness is important for overall health, as it helps to reduce the risk of developing chronic diseases, such as heart disease, stroke, and diabetes. Regular physical activity can help to improve cardiorespiratory fitness, as it causes the heart and lungs to work harder and increases the body’s capacity for oxygen uptake. As a result, the body becomes more efficient at using oxygen to fuel physical activity, resulting in improved cardiorespiratory endurance.
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commonly called as the "tailors muscle," this muscle allows one to sit in a cross-legged position.
The "tailors muscle," as it is commonly known, enables one to sit cross-legged. The primary muscles involved in knee extension are the quadriceps.
The tailor's muscle is another name for the sartorius. For example, if you were to sit with one leg crossed over the other, the sartorius muscle would be active, which helps to flex and rotate your hip and knee.
Which muscle aids in crossing one's legs while seated so that the lateral ankle rests on the opposing knee? Sartorius laterally rotates and abducts the thigh, both of which are required to place one ankle on the other knee while seated.
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The irreversible points in the cell cycle involve replication of the genome and separation of the sister chromatids. During which stages do these two events occur and why do you think they are irreversible?
The S phase is also called the synthesis phase because it is in this phase that the DNA in the 23 pairs of chromosomes is replicated. In the S phase, DNA is synthesized from its complete breakdown using replication.
The cell cycle has two irreversible points namely the Replication of genetic material and the modeling of sister chromatids.
The purpose of DNA replication itself is to multiply DNA to transmit traits to offspring. If the DNA does not replicate, then the DNA from the parents will not be passed on to their offspring, so there is no comfort between the genes of the parents and their offspring.Sister chromatid sisterhood is the main purpose of cell division is to form new, identical cells.Learn more about the cycle cell at https://brainly.com/question/5034994
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label the parts of these two cells in the spaces provided
Answer:
Mitochondria and cell membrane
Some species of rotifers undergo parthenogenesis, which means that __________.
A. their larval stage of development looks completely different from the adult stage
B. they shed their exoskeleton as they grow
C. each individual functions as both male and female in sexual reproduction by producing sperm and eggs
D. during development of adult forms, some of the organs that were bilateral are reduced in size or are lost on one side of the body
E. the species consist only of females that produce more females from unfertilized eggs
Some species of rotifers undergo partheno-genesis, which means that E. the species consist only of females that produce more females from unfertilized eggs.
There aren't any regarded instances of certainly happening mammalian partheno-genesis withinside the wild. Partheno-genetic progeny of mammals could have X chromosomes, and could consequently be genetic-ally female. Because mammals, inclusive of human beings, require positive gen-es to return back from sperm, mammals are incapable of partheno-genesis. Each chromosomes carry many genes which are transferred to the next generation. Each chromosome divides into the S- phase and they become compact during the mitosis phase.
Thus, E is the correct option.
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the ""triplet code"" refers to the fact that _________.
The "triplet code" refers to the fact that three nucleotide bases (one codon) code for one amino acid.
In triplet code four nitrogenous bases and three nucleotides together structure a trio codon which codes for one amino corrosive. Accordingly, the quantity of conceivable amino acids would be 4 x 4 x 4 = 64. Be that as it may, we have 20 normally existing amino acids.
This was made sense of by the elements of the hereditary code, which are as per the following:
A few amino acids are coded by more than one codon, subsequently making them degenerate.Every codon codes just for one unambiguous amino corrosive.The codes are all inclusive independent of the kind of living being, for example CGU would code for Arginine in creatures as well as in microscopic organisms, however exemptions exist.Out of 64 codons, 3 are stop codons which code for no amino acids and in this way end the course of interpretation.AUG coding for Methionine is the main codon that goes about as an initiator codon.To know more about amino acids, visit here:
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a couple married and had four children. The mom had straight hair and the father had curly hair. all of their children had wavy hair. how is this possible?
A. curly and straight hair are incomplete doninant alleles
B. Curly hair is dominant
C. Straight hair is dominant
D. Wavy hair is dominant
Answer:
Curly hair is dominant so the answer is B
