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Related Questions
Iris rolled a five-sided number cube numbered
1 through 5. find the probability that a roll
will result in each of the following. write your
answer using probability notation.
a. p(odd) c. p(4)
b. p(not odd) d. p(not 4)
a. ,b. ,c. ,d
Answers
a. The number cube has 2 odd numbers out of 5 total numbers, so the probability of rolling an odd number is 2/5.
p(odd) = 2/5
b. The probability of rolling a number that is not odd is the complement of rolling an odd number, which is 1 minus the probability of rolling an odd number.
p(not odd) = 1 - p(odd)
p(not odd) = 1 - 2/5
p(not odd) = 3/5
c. The probability of rolling a 4 is 1 out of 5 total numbers.
p(4) = 1/5
d. The probability of rolling a number that is not 4 is the complement of rolling a 4, which is 1 minus the probability of rolling a 4.
p(not 4) = 1 - p(4)
p(not 4) = 1 - 1/5
p(not 4) = 4/5
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Imagine that today at 1:00 pm, a single Salmonella bacterial cell landed on potato salad sitting on your kitchen counter. Assuming optimal conditions for bacterial growth, how many bacterial cells will be present at 3:00 pm today?
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64 bacterial cells will be present at 3:00 pm today. The kitchen provides an optimal environment for bacterial growth for Salmonella. So, Salmonella will reproduce by binary fission.
Salmonella germs thrive in the ideal conditions that the kitchen offers.
Therefore, Salmonella will divide in two through binary fission.
Salmonella needs just 20 minutes to replicate one bacterial cell into two identical ones at 1 o'clock.Salmonella produces 8 identical bacterial cells and three rounds of replication in one hour.By the end of the second hour, each of the eight bacterial cells has multiplied three times. As a result, there will be 64 bacterial cells total of Salmonella.To learn more about Salmonella Please click on the given link:
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What are examples of genetic and environmental variation?
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Examples of genetic and environmental variation
A dog's weight is influenced by both ambient factors, such as what it consumes, and hereditary factors, such as its genes. A sunflower's height is influenced by its genes as well as how much light and water it receives.The variety in DNA sequence seen in each of our genomes is referred to as genetic variation. We are all different from one another in terms of our hair color, complexion tone, and even the form of our features due to genetic variance.
Genes take on various shapes, or alleles, as a result of genetic variation. People with blue eyes, for instance, have one allele of the eye color gene, whereas those with brown eyes will have a different allele of the gene.
It is possible to consider that some genetic control is present in environmental variation (VE), which is variation in phenotype that cannot be accounted for by genetic variation or discernible genetic differences.
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In terms of a molecule, is DNA large or small?
Answers
Answer:
In all three cases, the large structure—a train, a sentence, a DNA molecule—is composed of smaller structures that are linked together in non-random sequences— boxcars, letters, and, in the biological case, DNA monomers.
during inoculation, the blood agar plate should be stabbed with the inoculating loop. the purpose of this is to:
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During inoculation, the blood agar plate should be stabbed with the inoculating loop. The purpose of this is to increase the surface area of the agar exposed to the bacteria and ensure growth of bacteria both aerobically and anaerobically.
When the inoculating loop is stabbed in the blood agar plate, the surface area of the agar that is exposed to the bacteria is increased. This allows the bacteria to grow more easily, which is crucial for identifying and studying the microorganisms present in the sample.
Stabbing the agar also enables the bacteria to grow both aerobically and anaerobically by allowing oxygen to diffuse into the agar at the surface and enabling bacteria to grow anaerobically in the deeper regions of the agar. It also helps to distribute the bacteria evenly throughout the agar and prevents the formation of concentric colonies. By using this technique, the growth of bacteria is ensured and the presence of various microorganisms can be accurately observed.
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PLZZ HELP
Black fur (F) is dominant to white fur (f) in mice and black eyes (E) is dominant to red
eyes (e). The Punnett square represents possible offspring (represented by letters in
boxes) of a cross between two dihybrids, FfEe x FfEe. Using the information
above and Mouse Genetics (two trait) Gizmos, complete the dihybrid cross below.
Ilse a sheet of scrap paper if you need to map out your dihybrid square.
Answers
Answer:
See the answer below
Explanation:
First of all, each genotype will produce games that will be aligned on both sides of the Punnet's square.
FfEe will produce FE, Fe, fE, and fe gametes. Hence, the Punnet's square showing the offspring from the dihybrid cross would be as attached in the image below.
PLEASE HELP I"LL GIVE BRAINLEST ^^
The rocks at the top of the mantle are said to be in a _______ state.
none of these
liquid
solid
crumbled
Answers
Answer:
solid
Explanation:
Choose the answer that best completes the blanks of this sentence in order. The two major groups of parasitic helminths include the ____ with a thin, segmented body and the ____ with a cylindrical, unsegmented body.
Answers
Answer:
The correct answer is - flatworms and roundworms.
Explanation:
Helminths are the group of free living and some are parastic organisms present in aquatic, terrestrial environment or in animals or plants respectively. parasitic helminths are the group of worms or organisms that lives inside the GI tract or other parts of the body of host and makes them weak. The two major groups of parasitic helminths are -
Flatworms (platyhelminths) is a parasitic helminths, have leaf like body which is thin and segmented while roundworms or nematode have cylindrical and unsegmented body.
Thus, the correct answer is - flatworms and roundworms.
Lamarck's ideas on evolution were adopted by some Russian scientists, includingLysenko. Russian textbooks printed Lysenko's assertionthat workmen who develop strong muscles from working in the mines would produce children who would be born stronger. Which of the major elements of evolution by natural selection is violated by this assertion
Answers
Answer:
The acquired characteristics are inherited.
Explanation:
Lamarck was a French naturalist and biologist. Lamarck was considered to be the early proponent who occurred the biological evolution. He was will known all over the world as early evolutionists.
Lamarck believed that the living things grow directly in the upward direction from a simple to a more complex form.
In the context, the ideas on the evolution were adopted by the Russian scientist which includes Lysenko. The Russian textbooks printed the assertion of Lysenko assertion that workmen develops a strong muscles those who are working in the mines that would produce strong children.
Bu this assertion, it violated the acquired characteristics that are inherited.
What are the two sources of law in Australia?Options are:Federal and statutoryStatutory and commonCivil and commonHigh court and civil
Answers
The correct option is A. Federal and statutory. this is based on the British legal system.
Which of these molecules acts as O2 reserve for the tissue energy needs? a. Nephroglobin b. Globin c. Hemoglobin d. Myoglobin.
Answers
The molecule responsible to reserve oxygen is Hemoglobin and myoglobin
Hemoglobin is the molecule acts as oxygen reserve for the tissue energy because it has iron atoms attached to the globin chain where one oxygen molecule (gets into the body by respiration) will gets attached to the iron atom of the hemoglobin and will carry it to every parts of the body
Myoglobin is the oxygen and iron binding protein which is present in cardiac and skeleton muscles.
This is the reason that the hemoglobin and myoglobin molecule acts as oxygen reserve for the tissue energy
Globin is just a colorless protein which lacks the iron atom which is responsible for oxygen transportation. Nephroglobin not even exist in nature.
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PLEASE HELP ITS TIMED!!
1. Which of the following is one way that a mutagen can cause mutations?
A. It causes the DNA strand to weaken because mutagens stop the cell cycle
B. It causes base pairing to happen faster
C. It causes the sugar-phosphate backbone of the DNA to weaken which can lead to inversions and translocation
D. It interferes with base pairing which decreases the error rate during DNA replication
2. In a mutation, which of the following statements is false?
A. Errors on a gene will be copied onto the mRNA
B. Codons never change
C. New codons sometimes code for the same amino acid
D. A new phenotype (trait) may appear
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Answer:
D. It interferes with base pairing which decreases the error rate during DNA replication
B. Codons never change
Explanation:
describe how active transport is used by plants?
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Answer:
Active transport in plant
Explanation:
Active transport in plants
For plants to take up mineral ions, ions are moved into root hairs, where they are in a higher concentration than in the dilute solutions in the soil. Active transport then occurs across the root so that the plant takes in the ions it needs from the soil around it.
Hope it helps!
By which process does oxygen pass out of a leaf?
Answers
Answer:
Photosynthesis.
Coz when plants carryout photosynthesis they release Oxygen and they use Carbon dioxide.
what are some similarities between cell wall and cell membrane
Answers
Answer:
they both help to protect the organism
Explanation:
if epigenetic changes take place above the level of the genome , what would be an example of a change at the level of the genome ?
Answers
Answer:
epigenetics chamges take place.
Epigenetics is the examination of the way cells manipulate gene interest without converting the DNA series." Epi-"approach on or above in Greek, and "epigenetic" describes elements past the genetic code.
Epigenetic changes are adjustments to DNA that modify whether or not genes are grown to become on or off. These adjustments are connected to DNA and do now no longer alternate the series of DNA constructing blocks. Within the entire set of DNA in a (genome), all the adjustments that modify the interest (expression) of the genes are referred to as the epigenome.
Because epigenetic changes assist decide whether or not genes are grown to become on or off, they affect the manufacturing of proteins in cells. This law facilitates making sure that everyone produces the handiest proteins which might be essential for its function. For example, proteins that sell bone boom aren't produced in muscle cells.
What is the epigenetic pattern?Patterns of epigenetic change range amongst individuals, in one-of-a-kind tissues inside an individual, or even in one-of-a-kind cells inside a tissue. Environmental influences, together with a person’s food plan and publicity to pollutants, can affect the epigenome. Epigenetic adjustments may be maintained from cell to as cells divide and, in a few cases.
Hence concluded that Epigenetics changes and causes cancers, by changing the genome, epigenome, or both.
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Some species of flowers have markings that are visible only to insects with the ability to see ultraviolet light waves. These markings help the plants -
A. avoid parasitic insects
B. attract pollen-gathering insects
C. seek out moisture in the soil
D. create a strong scent to attract bats
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Answer:
B. attract pollen-gathering insects
Some flower species have marks visible only to insects with the ability to see waves of ultraviolet light, to attract pollen-gathering insects.
How do insects see flowers?Ultraviolet flowering photography gives us a hint of what flowers look like to pollinators. Insects see the world very differently than humans do. They can't see red light like we can, but they can see ultraviolet wavelengths invisible to the human eye.
With this information, we can conclude that some flower species have marks visible only to insects with the ability to see waves of ultraviolet light, to attract pollen-gathering insects.
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[25 pts] Why could a spinal injury leave someone paralyzed? Please provide an explanation! Thanks :)
Answers
Answer:
a spinal injury could include pressure on the spine and swelling that puts pressure on the spinal cord and nerves which can produce paralyizing problems. also a broken disk can put pressure and block the nerve endings which may be severed to promote conduction between the nerves causing paralyizing effects.
Explanation:
Answer: A spinal cord injury (SCI) causes damage to the spinal cord in its function. Injuries can result anywhere from a simple pain to complete loss of sensation. A spinal injury can leave someone paralyzed because it is known as the brains relay system. So, if the brain can’t relay its messages to the rest of the body it May be paralyzed. One example would be T4 on the right and T6 on the left side of your body with little to no function.
Explanation: I hope this helps I tried my best<3
9. Applying a drug that increases cGMP levels in photoreceptors would cause which effect on a photoreceptor's response to a photon of light?
a. An intensified depolarization from normal
b. An attenuated depolarization from normal
c. An intensified hyperpolarization from normal
d. An attenuated hyperpolarization from normal
e. There would be no effect
Answers
The correct answer is c. An intensified hyperpolarization from normal.
Explanation:
cGMP (cyclic guanosine monophosphate) is a molecule that plays an important role in the phototransduction process in photoreceptors. When a photon of light hits a photoreceptor, it activates a cascade of reactions that ultimately leads to the closing of cGMP-gated ion channels and the hyperpolarization of the photoreceptor cell.
If a drug were to increase cGMP levels in photoreceptors, it would cause more cGMP-gated ion channels to be open, leading to an intensified hyperpolarization of the photoreceptor cell. This would cause the photoreceptor to have an exaggerated response to a photon of light, resulting in an intensified hyperpolarization from normal.
Therefore, the correct answer is c. An intensified hyperpolarization from normal.
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Charles Darwin concluded that the 13 species of finches on the Galapagos islands:A. all adapted to the same predators in different ways.B. All of these.C. probably evolved from one single ancestral species from the mainland.D. are identical to species on the mainland.
Answers
The correct answer is C. probably evolved from one single ancestral species from the mainland. Darwin realized that Finches differed form their relatives in mainland. The finches he saw were all particular on their own, so he concluded that their isolation from mainland and their insular habitat make them to evolve different traits, eventually each finch become a different species.
what mammal has the largest brain relative to its body size?
Answers
Answer:
The noble tree shrew
Explanation:The tree shrew's brain is much larger compared to its body. 10 percent of its body weight is brain mass.
a scientist hypothesized that one species of dinosaur was the ancestor of a later species of dinosaur. she then found fossil evidence in several places that this was so. why can't her hypothesis become a scientific theory at this point? (2 points)
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A hypothesis is a statement made by a scientist to explain a set of observations or answer a particular question. When scientists have sufficient data to support their hypothesis, they develop it into a scientific theory.
An explanation can only become a scientific theory if it meets a variety of criteria. It must be testable, falsifiable, have evidence to support it, and be consistent with existing research. What constitutes as a scientific theory?
A scientific theory is an explanation of an aspect of the natural world based on empirical data, tested and confirmed through the scientific method. Scientific theories are a compilation of observations and evidence that have been meticulously analyzed and have withstood the test of time. They are supported by a large body of evidence, providing a comprehensive and complete explanation of phenomena. It's worth noting that while a hypothesis can be tested with an experiment, it can't be proven correct. When a hypothesis has been rigorously tested and is generally accepted as an explanation for a phenomenon, it can be elevated to the level of scientific theory. The fossil evidence collected by the scientist in the scenario is merely supporting evidence, not conclusive. The scientist needs to gather more empirical data and test her hypothesis before it can be considered a scientific theory.
Thus, her hypothesis cannot become a scientific theory at this point as it needs further testing and evidence to support it.
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discuss few important aspects about Decision Support System needed in this 21st century.
Provide and explain an example of Decision Support System.
For example, https://www.microstrategy.com/en
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Decision Support System (DSS) is an interactive computer-based system that helps businesses and organizations make better decisions by providing actionable information, analysis, and insights. This system uses data analysis techniques, data mining, and simulation to support decision-making in complex situations.
There are several aspects of a Decision Support System that are important in the 21st century, some of them include:Data Integration: One of the most important aspects of DSS is its ability to integrate data from multiple sources, which helps to improve the quality of decision-making. This is crucial in the current era, where data is generated from various sources in huge quantities.Analytical Capabilities: DSS is equipped with analytical capabilities that help users to perform complex data analysis, including data mining, regression analysis, and simulation modeling. These analytical capabilities are critical in making sense of the large volumes of data generated by modern businesses.User-Friendly Interface: Another important aspect of DSS is its user-friendly interface that enables users to interact with the system easily and efficiently.
This aspect is important in the 21st century, where users expect to interact with technology in a simple and intuitive way.Collaboration Capabilities: DSS provides a platform for collaboration and knowledge sharing among users, which is crucial in complex decision-making processes.Example of Decision Support System:The MicroStrategy platform is an example of a Decision Support System. It is a comprehensive business intelligence platform that provides organizations with a range of analytical capabilities, including data mining, predictive analytics, and dashboarding. MicroStrategy enables users to integrate data from multiple sources, perform complex data analysis, and share insights with other users. It also provides a user-friendly interface that makes it easy for users to interact with the system.
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The binomial nomenclature for a housefly is Musca Domestica and the nomenclature for a house fowl is Gallus gallus Domestica. Domestica being the species. According to my textbooks, a species is a classification of living organisms that can interbreed to produce a fertile offspring. Does that mean that a House fowl and a House fly can interbreed?
Answers
Answer:
No.
Explanation:
Although the housefly and house fowl share the same species name "Domestica," they cannot interbreed due to their different genus names - "Musca" for the housefly and "Gallus" for the house fowl. Interbreeding is only possible between organisms of the same genus, which is a higher level of classification than species.
It's important to note that house fowls (Gallus gallus domesticus) and houseflies (Musca domestica) are vastly different creatures, with unique physical and behavioral characteristics. House fowls belong to the class Aves, while houseflies belong to the class Insecta. Despite both being commonly found in human habitats, they are not closely related and cannot interbreed.
Answer:
no is the appropriate andwer
Which is the best way to describe the bio diversity of an area?
Answers
Answer:
Explanation:
all the different kinds of life you'll find in one area the variety of animals, plants,fungi, and even microorganisms like bacteria that make up our natural world .
what would happen if all countries in the world depended only on wind power?
Answers
Answer:
A country getting all its electricity from a combination of wind, solar ... Not only does that make vitamin D a commodity, it also means solar ... Elon Musk became a sensation in South Australia last year after he decided Tesla would build the world's biggest lithium-ion battery ... This didn't happen overnight.
Help me right know!!!! How are dolphins affected by the moon or seasons?
Answers
Answer:
For dolphins that foraged at night, the presence of echolocation was reduced during nights of the full moon and during times of night that the moon was present in the night sky.
Explanation:
What happens to a human egg that is NOT fertilized?
It leaves the body.
It remains in the Fallopian tube.
It returns to the ovary.
It implants in the uterus.
Answers
Answer is it leaves the body
Answer:
it leaves the body
Explanation:
The global fish intake for humans in a year from the ocean is equal to the organic
content produced by bacteria in the sea for -
A: 90 minutes
B: 90 days
C: 90 years
D: 90 seconds
Answers
Answer:
The answer is A:90 minutes
the sheets of connective tissue that hold the abdominal viscera in place are called:____.
Answers
The sheets of connective tissue that hold the abdominal viscera in place are called mesenteries.
Mesenteries are double sheets of peritoneal membrane that attach to the posterior abdominal wall and support the abdominal organs, such as the intestines, pancreas, and spleen. They contain blood vessels, nerves, and lymphatic vessels that supply the abdominal organs. Mesenteries also allow for movement and positioning of the abdominal organs during digestion and other physiological processes. The sheets of connective tissue that hold the abdominal viscera in place are called mesenteries.
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