Which of the following is not a process in the scientific method?
A) belief in a preconceived idea
B) formulate a hypothesis
C) systematic observation
D) laboratory experimentation
E) development of a theory
A) belief in a preconceived idea

Mary Mallon, also referred to as Typhoid Mary, was an American chef of Irish descent who is thought to have exposed between 51 and 122 persons to typhoid fever. With estimations of up to 50 for unconfirmed mortality, the illnesses resulted in three verified fatalities. She was the initial American to be recognized as a carrier of the virulent strain of Salmonella typhi. She continued to work as a cook, exposing others to the illness. She eventually spent the last two decades of her life in a quarantine that was imposed upon her twice by the authorities. After spending close to 30 years in isolation, Mallon passed away.

What is typhoid?

Salmonella Typhi is a bacteria that can cause the potentially fatal infection typhoid fever. Typically, contaminated food or water is how it is disseminated. Typhoid affects an estimated 11 to 20 million people, and between 128 000 and 161 000 people die from it each year.

To learn more about typhoid from the given link

https://brainly.com/question/1196831

#SPJ4

A hormone that aids in blood vessel constriction and aids the kidneys in managing the body's salt and water levels.

a hormone that aids in blood vessel constriction and aids the kidneys in controlling the body's salt and water levels. This regulates both blood pressure and urine production.

Anti-diuretic hormone regulates the amount of water and subsequently the concentration of urine discharged by the kidney to maintain blood pressure, blood volume, and tissue water contentnti. Adiuretic hormone (ADH) stimulates water reabsorption as its main renal impact.

To know more about antidiuretic hormone visit:-

https://brainly.com/question/28045907

#SPJ4

The option B is correct :  Genetic disorder at the cellular level Cancer is a condition in which some cells in the body develop uncontrolled and spread to other regions of the body.

Cancer may develop practically anyplace in the human body, which contains billions of cells. Genes are the genetic building blocks. They are passed down from generation to generation.

They contain DNA, which contains the instructions for producing proteins. Proteins perform the majority of the work in cells. They transport molecules, construct structures, degrade poisons, and perform a variety of other maintenance tasks. A mutation, or alteration in a gene or genes, occurs from time to time.

Learn more about to Cancer visit here:

https://brainly.com/question/8590464

#SPJ4

Full Question

Cancer is best described as a ________.

a. bacterial disease at the somatic cell level

b. genetic disorder at the cellular level

c. genetic disease at the gametic cell level

d. viral disease

The world's tropical woods contain some of the planet's most diversified ecosystems. They are home to millions of species that are well-known as well as millions more that have yet to be found.

By raising the potential that different species may use complementary resources, increasing species diversity can have an impact on ecosystem functions like productivity. It can also raise the chances that a species that is highly productive or efficient is present in the community.

In general, the physical features of the ecosystem, the variety of species present, and the interactions between the species and their surroundings all affect how diverse an ecosystem.

To know more about ecosystem diversity visit:-

https://brainly.com/question/14755741

#SPJ4

The basal body temperature method, which is based on fertility awareness, is a type of natural family planning.Thus correct answer  (d) "It's important to take my temperature at about the same time every morning before arising.

The client who is following the basal body temperature approach should take her temperature for 5 minutes every morning before arising or beginning any activity. This prevents other things from potentially impacting body temperature, such as eating or moving.

A graph should be used to record the temperature reading. A modest dip in body temperature happens in some women immediately before ovulation. However, a woman cannot know when ovulation will occur until it has occurred.

Ovulation usually happens when a minor dip in body temperature is followed by a full degree increase. This temperature spike lasts throughout the duration of the menstrual cycle.

Taking the basal body temperature at times other than when the client first wakes up, such as before sleep, may result in erroneous results since the client's temperature can be impacted by a variety of circumstances, creating variations.

If the client is motivated and capable of doing the operation appropriately, basal body temperature can be an effective fertility management strategy.

Unfortunately, it is one of the most untrustworthy approaches. For a number of reasons, customers who choose this procedure do not want to employ alternative chemical or barrier treatments.

Learn more about temperature to visit this link

https://brainly.com/question/15267055

#SPJ4

A zygote having 2n-1 chromosomes is Monosomic.

Each species has a unique number of chromosomes, like the 46 chromosomes that make up a typical human cell. This number is referred to as 2n in organisms with two sets of full chromosomes, such as humans.

Aneuploid means "not good" and refers to a cell lacking one or more chromosomes. Aneuploid cells, for instance, are human somatic cells that have chromosome numbers of (2n - 1)=4 or (2n + 1) = 47.

An organism has monosomy when it only has one copy of a chromosome that should have two copies, which means it has a ploidy number  (2n-1).

Know more about monosomy here: https://brainly.com/question/14114734

#SPJ4

PABA, dihydrofolic acid, THF, purine and pyrimidine nucleotides are r correct sequence in this pathway which are involved in the biosynthetic pathway that leads to the formation of dna and rna.

The biosynthetic pathways of natural antimicrobial compounds in plants appear complex and diverse, but they are systemic. Tetrahydrofolates (THF)2 are a type of cofactor that transports and activates one-carbons for the synthesis of purines and thymidylate, as well as the remethylation of homocysteine to methionine. PABA (para-aminobenzoic acid) is a naturally occurring substance. It is frequently found in sunscreen products. PABA is also known as vitamin Bx, but it is not a true vitamin. This article discusses PABA reactions such as overdose and allergic reaction.

Learn more about biosynthetic pathway here:

https://brainly.com/question/29515457

#SPJ4

The type of non-covalent interaction between the base pairing of a double helix of a DNA molecule is hydrogen bonding.

The two different types of nucleic acids are as follows:

Deoxyribonucleic acid (DNA)

Ribonucleic acid (RNA)

The bases of RNA and DNA molecules are coupled together. The bases of DNA molecules are guanine, adenine, cytosine, and thymine, while the bases in RNA molecules are adenine, uracil, guanine, and cytosine.

In a DNA molecule, A and T are always connected, whereas G and C are coupled and base T is converted to base U in RNA. A base pair's weak hydrogen bond with the DNA molecule's double helix can be easily disrupted.

The complete question is:

Which type of noncovalent interaction supports the double helix of DNA, and produces the base pairings A-T and G-C?

a. ion-dipole interactions

b. dipole-dipole forces

c. ion-ion interactions

d. London dispersion forces

e. hydrogen bonding

To learn more about double helix DNA please click on the given link: https://brainly.com/question/28296792

#SPJ4

The Correct option are C. 600/680 = 88%. The specificity of a test for a disease is the proportion or percentage of those without the disease who have a negative test.

Option A in this situation is the sensitivity, or the proportion of people with the condition who have a positive test.

Option B represents the false-negative rate, whereas

Option D represents the false-positive rate.

Option E is a nonsensical ratio of false-negative tests to false-positive tests.

The predictive values of positive and negative tests are critical features of a screening test. Determining these values necessitates information about the disease's prevalence in the screened population, as well as the sensitivity, specificity, and false-positive and false-negative rates.

Because most illnesses have a low prevalence, the percentage of people who have a positive test (the predictive value of a positive test) is generally low, even when sensitivity and specificity are high. When

Learn more about  false-negative rates.  to visit this link

https://brainly.com/question/11530879

#SPJ4

Full Question :In a study to evaluate a test as a screen for the presence of a disease, 235 of the 250 people with the disease had a positive test and 600 of the 680 people without the disease had a negative test. Based on this data, the specificity of the test for the disease is (check one)

A. 235/250 = 94%

B. 15/250 = 6%

C. 600/680 = 88%

D. 80/680 = 12%

E. 15/80 = 19%

Antigen protein is a type of protein that is missing on the membrane of a blood cell, allowing the blood to be used as a universal donor.

An Antigen protein is some kind of flag — like a protein or series of amino acids — that your invulnerable system can acknowledge. If this description appears a little fuzzy to you, you're more than one. Let's dig in further. Antigen proteins are usually proteins or sugars (polysaccharides) that establish the except for belongings like cells or viruses.

Polypeptides, lipids, basic acids, and many additional materials can again function as antigens. People with type O- ancestry are named universal donors cause their granted red ancestry containers have no A, B, or Rh antigens and can then be safely likely to the nation of some blood group.

To know more about  universal donor refer to: https://brainly.com/question/11807509

#SPJ4

Griffith's experiments with s. pneumoniae were significant because they showed that traits could be transferred from one organism to another. he find that the transferred traits were heritable.

Griffith's experiments with S. pneumoniae were important because they showed that traits can be transmitted from one organism to another and that these transmitted traits are known as heritable traits. did. Another experiment conducted by Hershey and Chase confirmed that DNA is actually genetic material, not protein.

Hershey and Chase were able to separate the phage into radioactive sulfur-containing protein ghosts and radioactive phosphorus-containing DNA. They found that radioactive sulfur protein ghosts can stick to bacterial membranes, but radioactive phosphorous DNA cannot.

Learn more about Hershey and Chase from:

https://brainly.com/question/8721788

#SPJ4

The likelihood that silent mutations will alter protein function is low. It can be challenging to forecast missense mutations. The mutant protein might still work if the alteration is to a non-critical amino acid or to an amino acid that is comparable.

An exchange of one nucleotide for another in the DNA sequence results in a substitution mutation. Only one amino acid at most would change in the protein because this wouldn't move the gene sequence ahead or backward.

Covalent peptides, which are preserved via denaturation, are responsible for maintaining primary structure.

To know more about protein's structure visit:-

https://brainly.com/question/14652022

#SPJ4

The real-life example of an open population is when people from one country can migrate to another country for different purposes. This is an example of an open population.

Individuals can move from one population to another in an open population, such as when people migrate from one country to another. The open population is affected by births, deaths, migration, and other factors. The gene pool is different because many types of individuals are living, but in a closed population, there is no migration inside or outside the population, and the population depends on births and deaths.

Hence, the real-life example of an open population is when people from one country can migrate to another country for different purposes.

Learn more about the populations here.

https://brainly.com/question/27991860

#SPJ1

Based on this figure the most important factor in a planet's geological history is its size.

Terrestrial planets include Mercury, Venus, Earth, and Mars because of their compact, rocky surfaces that resemble terra firma on Earth. The four innermost planets in the solar system are the four terrestrial planets.

Impact cratering, volcanism, tectonic movement, and erosion are the four main geological processes. Earth has been hit by many objects, but the majority of the craters have been removed by other processes. Volcanic outgassing is responsible for the formation of our atmosphere and oceans.

For more questions like Terrestrial planets click the link below:

https://brainly.com/question/28103357

#SPJ4

Answer:

Explanation:

If someone who didn't know anything about organisms a and b was informed that they were engaged in a mutualistic relationship, both must be benefited.

When two organisms of different species "operate together," they are said to be in a mutualistic relationship since they both gain from it. An illustration of a mutualistic connection is the one between an animal called an oxpecker and a rhinoceros or zebra. 11 terms were just studied by you. A organism resides inside a sea mutualistic , where it receives protection and serves as a lure to draw in other fish for the anemone to sting and consume.

learn more about organism  here:

https://brainly.com/question/18360391

#SPJ4

This is an example of chromosomal mismatch.

What is chromosomal?

Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule. Each chromosome is constructed from DNA that has been tightly wound around proteins called histones numerous times to support its structure.

When a cell is not dividing, chromosomes cannot be seen in the nucleus, not under a microscope. However, during cell division, the DNA that makes up chromosomes gets more compactly packed and becomes visible under a microscope. The majority of what scientists understand about chromosomes comes from studying them during cell division.

There is a huge difference between the goats and sheep's genetic maps.

sheep comes from the genus Ovis and consist 54 chromosome ,whereas goats comes from genus capra and consists 60 chromosomes .

Hence, due to  chromosomal mismatch their offspring are rarely born alive.

To learn more about the chromosomal mismatch from the given link https://brainly.com/question/14661294

#SPJ4

Thermodynamics. With an initial pressure of 110 kPa and a volume of 0.7 m3, an ideal gas is compressed isothermally inside of a piston-cylinder system.

The term "ideal gas" refers to a hypothetical gas comprised of molecules that meet the following rules: The molecules of perfect gases are not attracted to one another or repel one another. When molecules of an ideal gas encounter, the only interaction would be an elastic collision, or an elastic collision with the container walls.

According to physicists, a perfect gas is one that satisfies the ideal gas law and possesses a temperature-independent heat capacity. It is referred to as an ideal gas since it is perfect. Engineers utilize it because it follows the ideal gas law and has a heat capacity that varies with temperature.

To know more about ideal gas visit:-

https://brainly.com/question/28257995

#SPJ4

Trans-acting regulators of gene expression include histone deacetylases. Correct answer: letter E.

This is because they can influence chromatin structure and subsequently control gene expression. By removing acetyl groups from histone lysine residues, HDACs can cause neighboring histones to bind more tightly, which compacts chromatin and makes it more difficult for transcription factors to access DNA. As a result, gene expression is reduced.

Are molecular components that interact with DNA to control the production of proteins. These regulators act on the transcription level, where DNA is transcribed into mRNA, allowing the expression of the gene in question. Examples of trans-acting regulators of gene expression include:

Learn more about trans-acting regulators of gene expression:

https://brainly.com/question/29544337

#SPJ4

Answer:

Option B

Explanation:

A plant basically consists of a root, stem and leaves. However, these structures can undergo modifications and form some foods that we know.

Analyzing the alternatives, we can analyze that:

Therefore, the answer is option "B".

During metaphase one, the tetrads of the cell congregate just on metaphase plate. During a process known as meiosis, an one cell divides twice.

The centromeres on every chromosome are subsequently grasped by the spindle fibers, which then attach themselves onto them. The cell checks to see whether the chromosomes are in the proper place before moving on to the next stage of metaphase I, which would be positioned between the cell nucleus two opposing ends. During a process known as meiosis, an one cell divides twice. The metaphase, a single, fleeting step of the meiosis process, occurs twice: once throughout meiosis I and again during meiosis II. During the meiotic process, an one cell divides twice to create four haploid daughter cells. These cells are known as the gametes, as well as sperm & egg in men and females, respectively.

Learn more about metaphase

https://brainly.com/question/9360168

#SPJ4

Acetyl-CoA indicates that the conversion of fat to carbs is necessary. Acetyl-CoA carboxylase accumulation indicates a lack of citrate. NADH is produced for energy when pyruvate carboxylase is activated by acetyl-CoA.

Acetyl-CoA selectively activates pyruvate carboxylase. When acetyl-CoA concentrations are high, organisms use pyruvate carboxylase to divert pyruvate from the TCA cycle because acetyl-CoA is a crucial metabolite in the TCA cycle that generates a lot of energy.

The production of more oxaloacetate is triggered by an excess of mitochondrial acetyl-CoA. When lipolysis is induced, for instance, intramitochondrial acetyl-CoA levels rise, allosterically activating pyruvate carboxylase to produce more oxaloacetate for gluconeogenesis.

To know more about Acetyl-CoA visit:-

https://brainly.com/question/16000193

#SPJ4

Following the end of the G2 phase of interphase, the first step of mitosis is known as prophase. The parent cell's chromosomes, which were duplicated during S phase, condense and became much smaller than they did during interphase during prophase. The two identical sister chromatids that make up each duplicated chromosome are connected at a location known as the centromere, giving these structures the appearance of being X-shaped bodies when seen under a microscope. Cohesin and condensin are two DNA-binding proteins that catalyze the condensation reaction. Condensin generates rings that coil the chromosomes into extremely compact shapes, whereas cohesin forms rings that keep the sister chromatids together.

The woman's genotype is bb. The gametes which she can produce is Bb. Men's genotype is Bb. Gametes produce by men is Bb. Children genotypes are Bb, Bb, bb for three children.

The gene required here is that coding for eye variety in people. The allele for earthy colored eyes (B) is prevailing over that of blue eyes (b) for example earthy colored eyes allele (B) will cover the articulation blue eyes allele (b) in a heterozygous state.

A brown-looked at man is crossed with a blue-peered toward lady (bb). The lady will be homozygous passive since the latent quality must be communicated in a homologous state. They produce 2 brown-peered toward offsprings and 1 blue-looked at posterity.

Note that, for the one who have the prevailing characteristic (earthy colored eyes), he can either have a homozygous or heterozygous genotype. Since he created a latent phenotyped (blue eyes) posterity when crossed with a blue-looked at lady, it implies he gave a passive allele (b) which joined with that of the lady. Thus, the man has a heterozygous genotype (Bb).

Having known the man's genotype, a cross (see connected picture) among Bb and bb will create four potential children; 2 will be heterozygous brown-looked at (Bb) while the other two will be homozygous blue-peered toward (bb).

Since two of their kids were brown-peered toward, they will have a (Bb) genotype while the blue-looked at kid will have a (bb) genotype.

To know more about Genotypes, visit here:

https://brainly.com/question/12116830

#SPJ4

1. Two things that are found in plant but not animal cells are chloroplast and cell wall

2. Plant cell is pentahedral while animal cells have no regular shape.

3. The chloroplast is the site of photosynthesis

4. The vacuole is a site for storing

Plant cells are generally found in green plants while animal cells are found in animals. Both cells are eukaryotic in nature. However, they have some differences, including:

Both plant and animal cells have vacuoles. The vacuole in animal cells is small and helps to sequester waste products. The vacuole in plant cells, on the other hand, is big and helps the cell to maintain water balance.

More on plant and animal cells can be found here: https://brainly.com/question/1493437

#SPJ1

Answer is B, The letter B in the accompanying graphic stands for a nucleotide, nitrogenous base phosphate. DNA different nitrogenous bases. Nucleotides are needed for the execution of physiological and metabolic activities.

Building blocks of nucleic acids, energy storage, transporters of activated metabolites for biosynthesis, DNA structural moieties of coenzymes, and metabolic regulators are all roles that nucleotides play in the physiology DNA of animals. A nucleotide is a chemical molecule made composed of a nucleoside and a phosphate.

learn more about DNA  here:

https://brainly.com/question/29634357

#SPJ4

Asexual reproduction produces genetically identical individuals because either no meiosis or fertilization takes place. Chlorophyll-a is not an accessory pigment for photosynthesis.

So, the correct options are C &D.

The diploid number is 32 if the haploid number of chromosomes in an organism is given to be 16. Gametes like sperm and eggs are typically haploid cells, whereas somatic cells and the zygote have a diploid number. The organism will have exactly 32 diploid chromosomes if its haploid chromosome count is 16, which is exactly double the haploid count.

Children born through asexual reproduction have a single parent's genetic makeup as their parents. The genetic makeup of each child is unique thanks to the genetic contributions of both parents in sexual reproduction. Due to the benefits and drawbacks of both sexual and asexual reproduction, some organisms engage in both types of reproduction.

There are several pigments found in a chloroplast, including chlorophyll a, chlorophyll b, carotene, and xanthophyll. The only one of these that can directly take part in photosynthesis is chlorophyll a. Chlorophyll receives the light energy that all other pigments absorb.

Learn to know more about Asexual reproduction on

https://brainly.com/question/839307

#SPJ4

The explanation for the failing of Lashley at finding the engram as some memories do not depend on the cortex. The correct option is b.

An engram, as defined by Dianetics and Scientology, is a detailed mental image or memory of a traumatic event that occurred in the past while an individual was partially or completely unconscious.

A memory trace is an engram in neuropsychological terms, which is a hypothetical means of storing information as biophysical or biochemical changes in the brain (and other neural tissue) in response to external stimuli.

Lashley's failure to find the engram is explained by the fact that some memories do not rely on the cortex.

Thus, the correct option is b.

For more details regarding an engram, visit:

https://brainly.com/question/3020595

#SPJ1