how would you change the bacteria's enviroment the plate so they are growing on to best tell if they are ampicllin resist

Answers

Answer 1

If you want to test if bacteria are ampicillin resistant, you can modify the environment of the agar plate by adding ampicillin to the growth medium. Here are some steps you can take:

Prepare agar plates: Start by preparing agar plates with the appropriate growth medium. This may include a general-purpose medium such as Luria-Bertani (LB) agar, supplemented with ampicillin at a specific concentration. Inoculate bacteria: Next, streak or spot inoculate the bacteria of interest onto the agar plates using a sterile loop or pipette. Incubate the plates: Place the inoculated agar plates in an incubator at the appropriate temperature and conditions for the bacteria being tested.Observe growth: After the incubation period, carefully observe the growth of bacteria on the agar plates. Compare with control plates: To confirm the presence of ampicillin resistance, it's important to compare the growth on the ampicillin-containing plates with control plates that do not contain ampicillin.

It's important to note that other factors, such as the concentration of ampicillin used and the specific resistance mechanisms of the bacteria being tested, can also affect the results. Therefore, it's essential to carefully design and interpret the experiment to ensure accurate determination of ampicillin resistance in bacteria.

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Answer 2

To best tell if the bacteria are ampicillin resistant, one could change the environment of the plate by adding ampicillin to the growth medium.

This would create selective pressure on the bacteria, as only those that are able to resist the effects of ampicillin would be able to grow.

Another way to change the environment could be to alter the temperature or pH of the plate, as different bacteria have varying optimal conditions for growth.

However, it is important to note that changing the environment should be done carefully, as it may also impact the growth of other bacteria on the plate and lead to false results.

It is always recommended to consult with a microbiologist or lab technician before making any changes to the growth conditions.

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Related Questions

Help me with this question please

Help me with this question please

Answers

Based on the percentages provided, the soil would be called "loamy sand".

What is the type of soil described?

The type of soil is called loamy sand soil.

Loamy sand soil contains a relatively high percentage of sand (50%) which allows for good drainage and aeration, while the smaller percentages of silt (10%) and clay (40%) provide some water and nutrient retention.

This type of soil is often ideal for plant growth as it provides a balance of drainage and nutrient availability.

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Which hormones causes ejection of milk making it accessible for the infant?

Answers

Answer:

Oxytocin.

Explanation:

Oxytocin causes ejection of milk making it accessible for the infant.
“Oxytocin. The oxytocin reflex is also sometimes called the “letdown reflex” or the “milk ejection reflex”. Oxytocin is produced more quickly than prolactin. It makes the milk that is already in the breast flow for the current feed, and helps the baby to get the milk easily.”


hope this helps!

What medical conditions do scientists hope botulinum will help? Check all that apply. *

hyperactive muscles
Parkinson’s disease
cerebral palsy
common cold

Answers

Answer:

hyperactive muscles

Parkinson’s disease

cerebral palsy

Explanation:

aaag jus truss me

State one reason why invasive insects are a major problem for agriculture?

Answers

Hungry pests are invasive species that threaten to harm our crops and trees. Left unchecked, they can devastate entire agricultural industries, eliminating jobs, threatening our food supplies and costing billions.

why are green plants known as producer?

pls tell answer in short :)​

Answers

Because they have the presence of chlorophyll in them and they prepare their own food with the help of organic materials

PLS HELP What does the term amino acid signify about the structure of the molecule?

Answers

Answer:

It has both an amino group (—NH₂), which makes it an amine, and a carboxyl group (—COOH), which makes it a carboxylic acid.

Help pleaseeee:) brainliest will be given

Help pleaseeee:) brainliest will be given

Answers

Answer:

C, bacteria

Explanation:

Answer:

the answer is bacteria hope it helps

what is the largest classification group ?

Answers

Answer:

The largest group of classification systems is the kingdom which includes one or more related divisions with less number

Explanation:

did the the test

Which of the following statements about marijuana is false?a. Peoplewho have used marijuana may experience psychoactive effectsfor several days after use.b. Marijuana has shown someeffectiveness in treating chemotherapy-related nausea.c. Unlikelong-term use of alcohol, regular use of marijuana does not haveany long-lasting health consequences.d. Depending on the amount of marijuana used, its effects can range from a mild sense ofeuphoria to extreme panic.

Answers

The false statement about marijuana is Unlike long-term use of alcohol, regular use of marijuana does not have any long-lasting health consequences.

The correct option is C .

Regular use of marijuana can indeed have long-lasting health consequences. Chronic and heavy marijuana use has been associated with several potential health risks, including respiratory problems, cognitive impairments, mental health issues, and addiction. While the severity and extent of these consequences can vary among individuals, it is incorrect to claim that regular marijuana use does not have any long-lasting health consequences.

Frequent marijuana smoking can lead to respiratory issues such as chronic bronchitis, coughing, and increased risk of lung infections. Long-term marijuana use, especially when initiated during adolescence, has been linked to negative effects on memory, attention, and cognitive function. Marijuana use has been associated with an increased risk of developing mental health disorders such as anxiety, depression, and psychosis. It can also exacerbate symptoms in individuals already susceptible to these conditions.

Hence , C is the correct option

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hiv strains may differ by 10% within one person and by 35% in people around the globe. this is due to

Answers

HIV (Human Immunodeficiency Virus) is a highly mutable virus, meaning it can undergo genetic changes and variations over time. The genetic diversity of HIV strains can be attributed to several factors:

1. High mutation rate: HIV has a high mutation rate during its replication process, which leads to the accumulation of genetic variations. This mutation rate is primarily driven by the error-prone nature of the reverse transcriptase enzyme, a key component of the virus.

2. Genetic recombination: HIV can also undergo genetic recombination, where different strains of the virus exchange genetic material during coinfection. This process can lead to the creation of new hybrid strains with distinct genetic characteristics.

3. Geographic and population factors: The global distribution of HIV has resulted in the emergence of different subtypes and circulating recombinant forms (CRFs) of the virus. These variations can be attributed to regional differences in viral transmission, population genetics, and migration patterns.

Overall, the combination of high mutation rates, genetic recombination, selective pressures, and global factors contributes to the significant genetic diversity observed among HIV strains both within individuals and among populations worldwide. This diversity poses challenges for the development of effective treatments, vaccines, and diagnostic methods for HIV/AIDS.

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How have the factors that trigger an asthma attack changed since the 1900s? As a researcher, how would you put together the clues given here to explain the emerging epidemic?

Answers

so if you look up things that can cause an asthma attack it will also show that viruses and bacteria are a cause. with asthma you lungs could already be inflamed as well as your air way wich makes it harder to breath. when you have c-19 it will inflame your lungs even more so it makes it even harder to breath given an asthma attack. more asthma attack now are probably caused by c-19 because it is all over the place and the percent of asthma attack by virus has dramatically increased.

What effect do the sulfate aerosols formed by volcanoes have on global temperatures?

Answers

Answer:

There is overall agreement that volcanic sulphate aerosols in the stratosphere can reduce solar radiation reaching the earth's surface for years, thereby reducing surface temperatures, affecting global circulation patterns and generally the global climate system.

using bacteria to 'eat' the oil from an oil spill would be an example of

Answers

Using bacteria to consume oil from an oil spill is an example of bioremediation.

Bioremediation involves the use of microorganisms such as bacteria, fungi, or algae to break down pollutants in the environment. In the case of an oil spill, certain bacteria species can naturally feed on hydrocarbons found in crude oil and turn them into less harmful byproducts. This process can be accelerated through the use of bioaugmentation, which involves introducing specific strains of bacteria into the affected area to speed up the biodegradation process. Bioremediation is considered an eco-friendly and cost-effective method of cleaning up oil spills compared to traditional methods such as chemical dispersants or physical removal. However, it may not be effective in all situations, such as in colder temperatures or when the oil spill is located in a sensitive ecosystem.

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What do all consumers have in common?

Answers

What Consumers have in common is that, they are all living things that live off of hunting and eating to gain energy and survive (without eating/hunting they die).

examples : Cows , Pigs , Horses

Which forces of evolution add new genetic variation to a population that did not exist in that population before

Answers

"Mutation and gene flow are forces of evolution that add new genetic variation to a population that did not exist before."

Mutation and gene flow are two forces of evolution that introduce new genetic variation into a population.

The mutation is the ultimate source of genetic variation. It refers to changes in the DNA sequence of an organism's genome. Mutations can occur spontaneously or due to environmental factors, errors in DNA replication, or exposure to mutagenic agents. These changes can lead to the creation of new alleles or variations in existing alleles, introducing novel genetic diversity into a population.

Gene flow, on the other hand, occurs when individuals or their genes move between populations. It can happen through migration or interbreeding between individuals from different populations. Gene flow introduces new genetic material and alleles from one population to another, increasing genetic variation within the recipient population.

Both mutation and gene flow are important mechanisms for introducing new genetic variation into a population, which can fuel evolutionary processes such as natural selection and genetic drift.

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How do i find out the percentages?

How do i find out the percentages?

Answers

Answer:

Explanation:

The following formula is a common strategy to calculate a percentage:

1- Determine the total amount of what you want to find a percentage.

2- Divide the number to determine the percentage.

3- Multiply the value by 100.

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You have been given a piece of evidence indicating that plant and animal life is scarce in this environment. Identify this environment and the correct explanation.


A) This is a tundra because it is too hot for plant and animal life to live in.

B) This is a swamp because it is too cold for plant and animal life to live in.

C) This is a desert because there is little precipitation for plant and animal life to thrive.

D) This is a rainforest because there is too much precipitation for plant and animal life to thrive.

Answers

Desert because if the plant life is scarce then swamp and rainforest or out which leaves tundra and desert and the tundra answer is just wrong so desert because it is factually correct

Heart failure is due to either natural occurrences (88%) or outside factors (12%). Outside factors are related to induced substances or foreign objects. Natural occurrences are caused by arterial blockage, disease, and infection. Suppose that 15 patients will visit an emergency room with heart failure. Assume that causes of heart failure between individuals are independent. Round your answers to three decimal places (e.g. 98.765). (a) What is the probability that 3 individuals have conditions caused by outside factors? Probability = (b) What is the probability that 3 or more individuals have conditions caused by outside factors? Probability = (c) What is the mean and standard deviation of the number of individuals with conditions caused by outside factors? Mean = Standard deviation = Statistical Tables and Chart

Answers

(a) The probability that exactly 3 individuals have conditions caused by outside factors is 0.183. (b) The probability that 3 or more individuals have conditions caused by outside factors can be calculated using a cumulative binomial distribution table or a statistical calculator. (c) The mean number of individuals with conditions caused by outside factors is 1.8, and the standard deviation is 1.124.

To solve this problem, we can use the binomial distribution since we are dealing with a fixed number of trials (15 patients), and each patient's condition is either caused by outside factors or natural occurrences, with independent probabilities.

(a) To find the probability that exactly 3 individuals have conditions caused by outside factors, we use the binomial probability formula:

Probability = C(n, x) * p^x * q^(n-x)

where n is the total number of trials (15), x is the number of successes (3), p is the probability of success (12% or 0.12), and q is the probability of failure (88% or 0.88).

Plugging in the values, we have:

Probability = C(15, 3) * 0.12^3 * 0.88^(15-3)

Probability = 0.183

Therefore, the probability that exactly 3 individuals have conditions caused by outside factors is 0.183.

(b) To find the probability that 3 or more individuals have conditions caused by outside factors, we need to calculate the probability of 3, 4, 5, ..., 15 individuals having outside factors and sum them up.

Probability = Probability(3) + Probability(4) + ... + Probability(15)

Using the binomial probability formula, we can calculate each individual probability and sum them. However, to save time and effort, we can use a cumulative binomial distribution table or a statistical calculator.

Assuming you have access to a statistical calculator or software, you can enter the values of n (15), p (0.12), and the range of x (from 3 to 15) to get the desired probability.

(c) The mean (μ) and standard deviation (σ) of the number of individuals with conditions caused by outside factors can be calculated using the formulas for the binomial distribution:

Mean (μ) = n * p

Standard deviation (σ) = √(n * p * q)

Plugging in the values, we have:

Mean (μ) = 15 * 0.12 = 1.8

Standard deviation (σ) = √(15 * 0.12 * 0.88) ≈ 1.124

Therefore, the mean number of individuals with conditions caused by outside factors is 1.8, and the standard deviation is approximately 1.124.

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Which endocrine gland is indicated by the arrow?

Answers

What arrow?????????????

Answer:

the pituitary gland

Explanation:

Given the DNA strand below, what mRNA strand would it produce?
T-T-A-C-G-G-C-T-A-A-C-T

Answers

the mRNA strand would be
A-A-U-G-C-C-G-A-U-U-G-A
remember the T gets replaced with U when creating the mRNA strand.
A goes with T (or U in mRNA circumstances) (apple on tree)
G goes with C (car in garage)

The ______ receives lymph from the right side of the head, neck, and thorax, and from the right upper limb.

Answers

Answer: the right lymphatic duct

Explanation:

Agricultural chemicals are one source of water pollution. What is one way we can reduce their effects?"
a. biological magnification
b. nonpoint source pollutant
c. integrated pest management
d. sewage treatment

Answers

Answer:

what I think it is it's C?

I think it’s C hope it helps

Where are the best geothermal resources located in the U.S?
A. West Coast
B. East Coast
C. South
D. Midwest

help me help me help me help me help me please please ​

Answers

the west coast

Explanation:

yeah it mostly likely that

The first cell type active in the innate response is usually a(n) A) phagocyte. B) erythrocyte. C) fibroblast. D) antibody.

Answers

The correct answer is A) phagocyte. Phagocytes are the first cell types that are typically involved in the innate immune response.

They are specialized cells that can engulf and destroy pathogens, such as bacteria and viruses, through a process called phagocytosis. Phagocytes include various cell types, such as neutrophils, macrophages, and dendritic cells, and they play a critical role in the early defense against infections. These cells are capable of recognizing and engulfing foreign invaders, initiating an inflammatory response, and activating other components of the immune system. Phagocytes are specialized cells of the immune system that are responsible for engulfing and destroying foreign particles, such as pathogens and cellular debris. They play a crucial role in the innate immune response, which is the first line of defense against infections.

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Summarize how the overharvesting of a single species,such as baleen whales,can affect an entire ecosystem.

Answers

Answer:

Overharvesting can have a negative impact on an entire species because it can alter food web relationships. For example, if there are too many whales, many organisms may lose their food source and homes, or even worse, go extinct!

Source:

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Identify Earth’s six global wind belts.

Answers

They are labelled

polar easterlies westerlies then the trade winds

The intensity of sunlight on Earth is affected by

A.) the mass of Earth
B.) the speed of Earth
C.) the number of rotations of Earth
D.) the curved surface of Earth

Answers

Answer:

The correct answer is D.) the curved surface of Earth.

Explanation:

The intensity of sunlight on Earth is affected by the curved surface of Earth, which causes the sunlight to spread out over a larger area. As a result, the intensity of sunlight is less at any given point on Earth's surface than it would be if Earth had a flat surface. This also explains why the poles receive less sunlight than the equator, as sunlight is spread out over a larger area near the poles due to the curvature of the Earth.

Factors such as the mass of Earth, the speed of Earth, and the number of rotations of Earth do not directly affect the intensity of sunlight on Earth.

One of the first explanations of evolution was put forth by a French biologist, Jean-Baptiste
Lamarck. He theorized that animals, in responding to different environments, adopted new
habits. Their new habits caused them to use some organs more and some organs less, which
resulted in the strengthening of the former and the weakening of the latter. New characters
thus acquired by organisms over the course of their lives were passed on to the next
generation. His theory proposed this process of use and disuse, repeated over many
generations, was how species evolved.
He was wrong. Why?

One of the first explanations of evolution was put forth by a French biologist, Jean-BaptisteLamarck.

Answers

Answer:

Traits acquired during an organism's lifetime cannot be passed

Explanation:

The law of use and disuse of organs as postulated by Jean Lamarck was wrong due to the fact that environmentally acquired characters cannot be passed to offspring.

Changes to organisms that are not the level of the gene cannot be passed to the offspring. For example, a wrestler that got big muscles due to constant work out cannot pass big muscles to his offspring. The offspring will need to work out in order to have big muscles. This is because big muscles in the wrestler is environmentally acquired.

Only changes that happen to the genome of an organism (mutation) can be passed to offspring.

Which organ is responsible for storing bile?
Pancreas
Gallbladder
Stomach
Liver

Answers

The organ responsible for storing bile is the gallbladder. So, the correct choice is Gallbladder.

The gallbladder, located beneath the liver, is the organ responsible for storing bile. Bile is a greenish-yellow fluid that aids in the digestion and absorption of fats.

It is produced by the liver and then transported to the gallbladder for storage. When we consume a meal containing fats, the gallbladder contracts and releases stored bile into the small intestine through the bile ducts. Bile helps in emulsifying fats, breaking them down into smaller droplets, which increases the surface area for enzymes to act upon. This process enhances the absorption of fats and fat-soluble vitamins in the small intestine.

The storage and controlled release of bile by the gallbladder ensure that an adequate amount of bile is available for the digestion and absorption of fats whenever required.

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Please help me. no links I report you

Please help me. no links I report you

Answers

I think the first graph, I'm not positive though.

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Tom is travelling on a train which is moving at a constant speed of 15 m s-1 on a horizontal track. Tom has placed his mobile phone on a rough horizontal table. The coefficient of frictionbetween the phone and the table is 0.2. The train moves round a bend of constant radius. The phone does not slide as the train travels round the bend. Model the phone as a particlemoving round part of a circle, with centre O and radius r metres. Find the least possible value of r. 1. What is the relationship between the5s in 550,304? Most pop music is too __________ and has lost its sense of fun. Which traits are shared by all eukaryotic cells, and what are the three major lines of evidence that mitochondria arose from endosymbiosis with proteobacteria?(Penn Foster) Exercise 1.Can someone please help me with this? I tried it sometime last week and was asked what do the parenthesis mean? and nothing else. So Im not sure what to do. Bonus Question: (10%) Using indifference curves and budget constraints, explain why "in-cash" gifts would likely result in higher utility for recipients than "in-kind" gifts. The government has offered to cancel a portion of outstanding student loan (debt) for households that meet certain income threshold. Discuss the direct and possible indirect effects of this policy. Be specific in your assessment. For a given producer, the long-run average cost is lower or equal to every short-run average cost. Select one: True False Revenue is: A. the amount of money a company has left over after paying billsB. The amount of money a company pays its employees.C. The amount of money a company makes from sales.D. the amount of taxes a company has to pay. In the past month Kaylynn rented one video game in for DVDs. The rental price for the video game was $3.30. The rental price for each DVD was $4.30. What is the total amount that Kaitlyn spent on video game and DVD rentals in the past month. A parish or borough is also known as a government. county. municipality. town. When products are differentiated through marketing, via advertisements, promotions, and other marketing activities, it is known as __________. The debt-to-equity ratio for your small business was 1.40 at the end of last year and 1.25 at the end of this year. Your debt-to-equity ratio is:_________ How can Josephs increased debt affect the rest of his life? Greta walked a total of 28 kilometers by making 14 trips to school. How many trips will Greta have to make in all to walk a total of 30 kilometers? Solve using unit rates. A child has received the diagnosis of developmental coordination disorder. You would expect that he would have a problem:A)expressing himself in speech.B)reading a sentence from a book out loud.C)buttoning his shirt and dressing in general.D)listening to a teacher explain how to do a mathematics problem. Let A and P be square matrices, with P invertible. Show that det(PAP +) = det A. = Rewrite det (PAP~-) as an expression containing det A. Choose the correct answer below. A. det (PAP-1) = (det P + det A+ det P-1)-1B. t(PAP-1) = (det P) (det A) (det P) detC. det (PAP 1) = det P + det A + det P -1D. det (PAP 1) = [(det P) (det A) (det P-1)]-1 An engine produces 240 KJ of energy in 2.0 minutes. What is the power output of the engine? baumeister and others (2001) sum up their research by noting that in everyday life, ________ events have stronger and more lasting consequences than comparable ________ events. Simplify:2x(4x-3x+6x)