The phrase "mad as a hatter" is derived from the actual activities of hatters starting in the 17th century in which the method they employed to create their hats was poisoning them and causing them to lose their minds as a result of inhalation of mercury vapors.
What is Mad Hatter's disease?Mad hatter disease is a disease that results from chronic mercury vapor poisoning. It might result in symptoms like vomiting, rashes, and tremors depending on the level of exposure.
In Mad Hatter disease, Erethism, a serious neurological complication of mad hatter illness, occurs. It may cause symptoms such as weakness, behavioral abnormalities, and headaches.
Mad hatter disease is rather rare. People who are exposed to mercury at work are more prone to develop chronic mercury poisoning. Increased risk is also present in young children and those who consume a lot of seafood.
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Complete question:
Where did the expression mad as a hatter originate?
Docters and scientists do many kinds of research not all the techniques that are developed in the lab becomepart of the ordinary medical practice.
-What factors might slow or stop the introduction of this stem cell technology?-
Some factors that might slow or stop the introduction of this stem cell technology include:
embryonic stem cells can lead to the development of tumors.problems with the nervous system and inappropriate stem cell migration.implanted stem cell immune rejection.What is stem cell technology?Stem technology refers to a technique in medicine that employs the use of stem cells in medical treatment.
Stem cell treatment, commonly referred to as regenerative medicine, uses stem cells or their byproducts to encourage the repair response of sick, malfunctioning, or wounded tissue. It is the next step in the transplantation of organs, replacing donor organs—which are scarce—with cells.
Stem cells are the cells in the body that can become almost any type of cell in the body.
There are three main types of stem cells that are employed in stem cell therapy, namely;
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After incubation, 86 colonies were counted on the 10-7 dilution plate. Only 0.1 ml was spread on the plate. What was the count in the original undiluted culture?
After incubation, 86 colonies were counted on the 10-7 dilution plate. Only 0.1 ml was spread on the plate. The count in the original undiluted culture was 86,000,000
How do you calculate the original undiluted culture?An undiluted culture refers to a microbial culture that has not been diluted with a solvent or diluent. An original undiluted culture refers to the original microbial culture, prior to any dilution.
In other words, it is the bacterial or fungal culture taken directly from the source without any additional liquid being added. The original undiluted culture is used as a starting point to create dilutions for plating and counting colonies
To determine the count in the original undiluted culture, you would need to multiply the number of colonies on the 10-7 dilution plate (86) by the dilution factor. In this case, the dilution factor is 10^7, so the original count in the undiluted culture would be:
86 x 10^7 = 86,000,000
So, the original culture has 86,000,000 colonies
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When male lions reach sexual maturity, they leave their group in search of a new pride. This can alter the allele frequencies of the population through which of the following mechanisms?
Group of answer choices
gene flow
natural selection
genetic drift
random mating
Option(A) Gene flow is process that can effectively alter the allele frequencies of population.
what is gene flow?In population genetics, gene flow is the transfer of genetic material from one population to another. If the rate of gene flow is high enough, then two populations will have equivalent allele frequencies and therefore can be considered a single effective population.
what are allele?According to the most respected textbooks on genetics and evolution, an allele is a different arrangement of the same sequence of nucleotides at the same location on a lengthy DNA molecule. A locus is the chromosomal or genomic location of a gene or any other genetic element, and alleles are different DNA sequences at a locus.
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there are 200 rabbits plants per square kilometer in a certain area of forest. to which population characteristic does this information refer?
This information refers to the population density of the rabbits in the certain area of forest.
What is population?
Population refers to the total number of people living in a specific area. Population size and density vary from place to place, depending on a variety of factors including climate, geography, political and economic conditions, and history. In general, population density is higher in areas with more resources, as people are drawn to areas where there are more employment and educational opportunities, as well as a higher standard of living. Population growth can also be affected by migration, both within a country and between countries. Population growth can be a positive or negative force, depending on the circumstances, and can have serious implications for a country's economic, social, and environmental stability.
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The question as shown in the photo
Answer:
its the first one
Explanation:
11. A bacterium produces offspring that are genetically identical, meaning they reproduce by _ reproduction. Camel offspring inherit some genetic information from each parent, meaning humans reproduce by.
_ reproduction.
12. What is happening during the G2 phase of the cell cycle?
13. Refer to the figure below. Which of the following correctly indicates the order in which these events occur?
11) A bacterium produces offspring that are genetically identical, meaning they reproduce by asexual reproduction. Camel offspring inherit some genetic information from each parent, meaning humans reproduce by sexual reproduction. (Option B)
12) During the G2 phase of the cell cycle, the DNA replicates (Option A)
13) The correct order in which the (Cell Division) event occurs is CBAD (Option B).
What is Cell Division?Cell division is the process through which a parent cell splits into two daughter cells. Cell division is normally part of a wider cell cycle during which the cell develops and duplicates its chromosomes before dividing.
Cell division occurs in two stages: mitosis and meiosis. When most people say "cell division," they're referring to mitosis, the process of creating new body cells. Meiosis is the form of cell division that generates egg and sperm cells. Mitosis is a necessary step for life.
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How much work is done using a 60 W lightbulb for one hour
Answer:
solution:
given;
power = 60 w
time = 1 hr = 3600 seconds
now,
power = work done/time
or, 60 = work done/3600
or, work done = 3600 x 60
therefore, work done = 216000 J (joules)
Non-zero acceleration requires ___ over a___
Answer:
Non-zero acceleration requires a change in velocity over a period of time.
Explanation:
A measure of how rapidly an object's velocity changes is called acceleration. Since velocity is a vector quantity, it contains both a speed component and a direction component. When an object's velocity varies, either its speed, direction, or both are changing, or both are changing. The definition of acceleration is a change in velocity over time. A moving item is considered to have zero acceleration if it is travelling at a constant velocity, which indicates that both its speed and direction are remaining constant. In other words, a change in velocity over time is necessary for non-zero acceleration.
Many physicians initially rejected the notion that clinical laboratories could have a positive impact on the practice of
medicine because_____
They were taught in medical school to assume complete accountability for their patient's diagnosis and treatment
they didn't reject the notion; in fact doctors universally praised the development of clinical laboratories
they didn't trust new technology
they would earn far less money in their practice as a result
Many physicians initially rejected the notion that clinical laboratories could have a positive impact on the practice of medicine because They were taught in medical school to assume complete accountability for their patient's diagnosis and treatment.
What is Medical school?A medical school is a tertiary educational facility, or a division thereof, that teaches medicine and confers doctoral degrees on its graduates.
The Bachelor of Medicine, Bachelor of Surgery (MBBS, MBChB, MBBCh, BMBS), Master of Medicine (MM, MMed), Doctor of Medicine (MD), and Doctor of Osteopathic Medicine are some examples of such medical degrees (DO).
Additionally, medical schools have the ability to run teaching hospitals and conduct medical research. The standards, framework, teaching methods, and type of medical programs offered at medical schools differ significantly around the world.
Therefore, Many physicians initially rejected the notion that clinical laboratories could have a positive impact on the practice of medicine because They were taught in medical school to assume complete accountability for their patient's diagnosis and treatment.
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Can you do this exercise for me, it is really urgent:
SITUATION
Stephen drinks alcohol every day. He has an addiction to alcohol but doesn't realize it. Although his friend Mehdi has pointed it out to him several times, Stephen says he can stop whenever he wants. Recently, Stephen had an accident at work due to a careless mistake after drinking. He decides to react and to go and see an addictologist.
Alcohol abuse is the issue. Because he wouldn't admit that there was a problem, it is becoming worse.
How does alcohol affect the body?It impairs memory formation and impulse control, resulting in "blackouts." Alcohol might make you feel weak, numb, and momentarily paralyzed. The temporal lobes of the mind may shrink after prolonged use. Drinking excessively might develop a habit with potentially harmful withdrawal symptoms.
Alcohol stays in the body for how long?Alcohol can be detected in the blood for six to eight hours, on the breathing for 12 to twenty-four hours, in the urine for twelve to twenty-four hours, in the saliva for twelve to twenty-four hours, and in the hair for up to ninety days. Alcohol has a half-life of 4-5 hours.
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North facing slops are found where? How would you know?
Answer:
North-facing slopes are found in the northern hemisphere. They are characterized by being on the side of a hill or mountain that faces towards the north. These slopes are typically shaded and receive less sunlight than south-facing slopes, which are found on the opposite side of the hill or mountain.
To determine which way a slope is facing, you can use a compass or look for certain indicators such as the presence of moss or lichen, which typically grows on the north side of trees and rocks. Other indicators include the presence of certain types of vegetation, such as shade-loving plants, which are often found on north-facing slopes. The presence of snow or ice can also be an indicator, as north-facing slopes tend to be colder and receive less sunlight, which can cause snow and ice to linger longer.
Another way to know if a slope is North facing is by observing the direction of the sun. North facing slopes will be shaded during the morning hours, while south facing slopes will be illuminated.
In summary, the location, indicators from nature, and the direction of the sun can be used to determine if a slope is North facing.
Answer:
North-facing slopes in the northern hemisphere receive less direct sun exposure, hence they are often colder and more humid, whereas south-facing slopes are warmer and drier. Using a compass is the simplest technique to determine your slope aspect. You may also use a compass app if you have a smartphone. Stand with your back to the hill and your phone/compass facing directly away from it. You may read directly from an app.
Explanation:
some cells in the bladder are bi-nucleated cells what process happened? What process did not happen?
Some cells in the bladder are bi-nucleated cells because occurs DNA replication without cell division.
What are bi-nucleated cells?Biological cells that contain two or more nuclei are called bi-nucleated cells and they are generated when the cell duplicates its DNA content during the synthesis S phase of the interphase but they do not undergo cell division, i.e., mitotic cell division cycles to reduce the genetic material.
Therefore, with this data, we can see that bi-nucleated cells are generated by the duplication of the DNA without the subsequent cycle of mitotic cell division.
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Show the punnet square for Ss x Ss
Answer:
A Punnett square is a tool used to predict the possible outcomes of a genetic cross, it can be represented as a grid with the alleles (genes) of one parent along the top and the alleles of the other parent along the side.
When the cross is between two homozygous dominant individuals (Ss x Ss) the Punnett square would look like this:
Explanation:
| S | s
---|---|---
S | Ss | Ss
s | Ss | ss
Each box in the square represents a possible combination of alleles that could result from the cross, and the resulting genotype of the offspring. In this case, all of the possible combinations are SS, which is homozygous dominant. This means that all of the offspring will have the dominant allele (S) and will have the same phenotype (expression of the trait) as the parents.
Which of the following is "not" likely to cause a magnet to lose
its magnetism?
a. Striking it with a hammer.
b. Cooling it.
c. Dropping it repeatedly on the ground.
d. Heating it.
The magnetic field of a magnet is strongest
a. at its north pole.
b. at its south pole.
c. in the middle.
d. at both of its poles.
The answers include the following:
The following which is "not" likely to cause a magnet to lose its magnetism is cooling it and is therefore denoted as option B.The magnetic field of a magnet is strongest at at both of its poles and is denoted as option D.What is a Magnet?This is referred to as a material or object that produces a magnetic field and it has two poles which are the North and south poles in which the magnetic field of a magnet is strongest.
Cooling a magnet will not cause a magnet to lose its magnetism but instead the magnetism will increase because the molecules within the magnet will move slower because they have less kinetic energy so there is less vibration within the magnet's molecules thereby resulting in more concentrated magnetic field that strengthens the magnet.
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In the process of selective breeding, what kind of organism can donate genes?
In the process of selective breeding, the kind of organism that can donate genes is those displaying beneficial features to be selected by artificial human selection.
What is the process of artificial human selection?The process of artificial human selection makes reference to the genetic cross of plants and animals by means of humans in order to select offspring in regard to a given trait such as for example yield in crops.
Therefore, with this data, we can see that the process of artificial human selection is based on beneficial features selected during selective breeding.
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the stages of mitosis and the process of cytokinesis draw and label a cell in each stage
These phases are prophase, prometaphase, and metaphase, Cytokinesis is the final physical cell division and is considered the sixth phase of mitosis.
What are the stages of mitosis and cytokinesis?Cytokinesis begins in the phase of cell division. and ends in telophase, extending completion as the next interphase begins. The first obvious change of cytokinesis in an animal cell is the sudden aspect of a pucker, or cleavage furrow, on the cell surface.
Mitosis and each of the two meiotic divisions result in two unrelated nuclei contained within a single cell. Cytokinesis performs a crucial process to separate the cell in half and ensure that one nucleus ends up in each daughter cell.
So we can conclude that Cytokinesis, the division of the cytoplasm to form two new cells, overhangs with the final stages of mitosis.
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It would be appropriate to use astronomical units (au) to measure the distance between which of the following (A. Stars) (B. galaxies) (C. countries) (D. Planets)
Answer:
Explanation:
astronomical units are used to measure the distance in space so it would be appropriate to measure the distance between the stars,galaxies, and planets .
Answer: B)
Explanation: Astronomical units are used to measure the distance in space so it would be appropriate to measure the distance between the stars, galaxies, and planets .
Everything filled in please
The monomers, examples, location and linkage of the biomolecules can be found below;
Protein - amino acid, glutamine, cell, peptide bondCarbohydrate - monosaccharide, glucose, cell, glycosidic bondLipid - fatty acid, steroids, cell, ester bondNucleic acid - nucleotide, DNA, nucleus, N- glycosidic linkageWhat are biomolecules?Biomolecules are molecules, such as amino acids, sugars, nucleic acids, proteins, polysaccharides, DNA, and RNA, that occur naturally in living organisms.
Nucleic acids are any acidic, chainlike biological macromolecule consisting of multiple repeat units of phosphoric acid, sugar and purine and pyrimidine bases.
Proteins are a complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.
A glycosidic bond or glycosidic linkage is a type of covalent bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate.
Lipids are any of a group of organic compounds including the fats, oils, waxes, sterols, and triglycerides.
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Having a hydrophilic and a hydrophobic allows phospholipids to form a when placed in a/an
solution. This bilayer is , meaning that it regulates the substances that pass through the membrane. A molecule’s
and determine its ability to move through the cell membrane.
The ability of the cell membrane to permit the passage of various substances is referred to as the cell's partial permeability.
What types of substance exist?The majority of the components are composed of pure substances. Only a few of these include diamond, gold, copper, oxygen, and chloride. Mixtures like water, salty crystals, baking powder, and others are examples of pure substances.
What is a natural substance?Biologically Active Ingredients: substances that are naturally occurring but nevertheless endanger enterprises' ability to act responsibly toward the environment. Examples include asbestos, mercury, arsenic, radon, pyrite, and pyrite. Most of these things are discovered while being created or constructed.
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what does disproportionate mean.
Answer:
Explanation:
an instance of being out of proportion with something else
The age of material on a tectonic plate depends in part on what type of crust it is composed of. 1)_____ tends to be younger because it is continually produced at the
2)______ and then recycled. On the other hand, 3)_______ tends to be older because it can often remain intact for longer periods.
Fill In Blanks
1) Ocean floor
Oceanic Crust
Continental Crust
2) Deep sea Vents
Hot spots
Mid oceanic ridges
3) Continental crust
Oceanic Crust
Ocean Floor
SOMEONE HELP PLEASE AMD FAST!
Continental crust, Oceanic Crust, Lithospheric Plate The age of material on a tectonic plate depends in part on what type of crust it is composed .
What is Oceanic Crust?
Oceanic crust is the outermost layer of the Earth's lithosphere which forms the ocean floor. It is composed of mafic igneous rocks such as basalt and gabbro. It is typically 5 to 10 km thick and is the youngest layer of the Earth's lithosphere.
Oceanic crust is formed by seafloor spreading at mid-ocean ridges, which occur when two tectonic plates are pulling apart from each other. This causes molten material from the mantle to rise up and cool, forming new oceanic crust. The newly formed crust then moves away from the mid-ocean ridge in both directions, forming a diverging boundary. As it moves away from the ridge, the oceanic crust cools and becomes denser and denser.
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In the process of
Choose...
, DNA is used as a template for making another type of nucleic acid called
Choose...
. The process begins when the enzyme
Choose...
binds to a region called the
Choose...
.
In the process of transcription, DNA is used as a template for making another type of nucleic acid called RNA. The process begins when the enzyme RNA polymerase that binds to a region called the promoter sequence.
What is the cell process of genetic transcription?The cell process of gene transcription is a phenomenon for which a nucleic acid called RNA is created by means of one of a single-strand sequence of DNA, which is used as a template to generate a complementary RNA sequence that binds by complementarity pair basis rules. During transcription, an enzyme called RNA polymerase progressively adds nucleotides to the growing RNA chain, in a process that requires the binding with a DNA sequence called the promoter.
Therefore, with this data, we can see that the cell process of genetic transcription is based on the use of an RNA polymerase that initially binds to a DNA template strand.
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If there are 24 chromosomes in a somatic cell in the Gap 1 of the cell cycle, what is the diploid number of chromosomes for this organism?
a) 48
b) 12
c) 24
d) 35
If a solution is Hypotonic, does water enter or leave the Cell?
Thanks.
Answer:
When a solution is hypotonic,water will enter the cell and the cell swells up.
Reset
(ВВ)
bb
< 0 0
The zoologist asked you to cross
one black (BB) mouse with one
brown (bb) mouse.
Use your Lab Notebook to predict
the expected ratio of black to
brown mice pups.
Drag and drop the appropriate
color mice pup onto the given
Punnett square diagram.
Next
Answer: 4:0
Explanation:
B B
b Bb Bb
b Bb Bb
All of the offspring will be black. Thus the ratio is 4:0
Scientists find that two orqanisms from different species have very similar genetic sequences. What is most likely true about the two organisms?
A) They eat the same kinds of food.
B) They are actually the same species.
C) They evolved from a common ancestor.
D) They have the same social structures within their species.
Answer:
C) They evolved from a common ancestor.
Explanation:
Species that have a common ancestor share genes called homologous genes. These genes were passed down from a single common ancestor, which explains the similar genetic sequences.
Hope this helps!
why did martin luther disagree with johann tetzel
Martin Luther disagreed with Johann Tetzel as he opposed the sale of indulgences on two grounds, the first being that everyone is entitled to forgiveness. Furthermore, the Pope lacked the authority to permit such a fundraiser.
What did Johann Tetzel do that Martin Luther disagreed with?To earn money for the renovation of Rome's St. Peter's Cathedral, a friar by the name of Johann Tetzel started selling indulgences. Sadly, Tetzel led individuals to believe that they could purchase their way to heaven by purchasing indulgences.
The German people were being sold indulgences by Tetzel. "When the money clings in the chest, a soul flies up to heavenly rest," was his catchphrase. Even for family members who had passed away, the indulgence purchases were valid receipts. Because they couldn't afford to purchase an indulgence, poor people had to spend more time in purgatory.
Martin Luther disagreed with this practice.
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Why would growing replacement skin from stem cells be valuable?
Answer:
Growing replacement skin from stem cells can be valuable for a number of reasons:
Explanation:
Treating burns: Stem cells can be used to grow replacement skin for patients with severe burns, which can reduce the risk of infection and scarring, and improve the healing process.
Healing wounds: Stem cells can be used to grow new skin to help heal chronic wounds such as those seen in diabetes and pressure sores.
Reconstructive surgery: Stem cells can be used to grow replacement skin for patients who have undergone reconstructive surgery, such as breast reconstruction after a mastectomy.
Genetic skin disorders: Stem cells can be used to grow replacement skin for patients with genetic skin disorders such as epidermolysis bullosa, a genetic disorder that causes skin to be extremely fragile and prone to blisters.
Cosmetics: Stem cells can be used in cosmetics industry to develop new products that can help to improve skin conditions such as aging and wrinkles.
Cost-effective: Using stem cells to grow replacement skin can be more cost-effective than traditional methods such as skin grafts, which require a significant amount of healthy skin to be taken from another part of the body.
Ethical concerns: Using stem cells to grow replacement skin eliminates the need to use animal testing or animal-derived materials in the production of skin products.
Overall, growing replacement skin from stem cells offers a versatile and efficient way to help patients with various skin conditions, and can improve the quality of life for many people.
(06) A grey rat, heterozygous for both traits is mated with a black rat heterozygous for pigmentation. What are the offspring? Give the phenotypes after drawing the punnet square
Answer:
If a gray rat heterozygote (Gg) and a black rat heterozygote (Bb) were to breed, the following phenotypic and genotypic ratios would result:
ExplanatioN
Gg (Heterozygous gray rat) X Bb (Heterozygous black rat)
B b
G GB Gb
g gB gb
therefore, In offsprings, 50 % rats will be gray and 50 % rats will be black. So, both the ratios (phenotypic and genotypic) would be 50:50
Graded Assignment
Honors Project 2: Resolution Ranking
Review the Debate Resolutions Interest Inventory. Write a "1" next to the resolution you are most interested in
debating. Rank the others as second, third, and fourth choices. Then submit the assignment to your teacher by
the deadline.
(5 points)
1. Rank the resolutions below from 1 to 4 indicating your first, second, third, and fourth choice.
Answer:
Resolution
Rank
Water usage
should be
regulated to ensure
a continuing supply
for major urban
centers.
Hydrogen fuel for
vehicles can solve
global energy
problems.
Governmental
funding should
support important
programs on earth
rather than space
exploration.
Government
polic should
encourage the
use of biofuels.
Score
Answer:
1 Hydrogen fuel for vehicles can solve global energy problems.
2 Governmental funding should support important programs on earth rather than space exploration.
Water usage should be regulated to ensure a continuing supply for major urban centers.
Government policy should encourage the use of biofuels.
