What biosafety levels do most introductory microbiology students work with.

Answers

Answer 1
BSL-1 containment. Is normally found in water testing laboratories, in high schools, and in colleges teaching introductory microbiology classes.
Answer 2

Most introductory microbiology students work with, Biosafety Level 1, where agents are not considered hazardous.

What is biosafety in the microbiology lab?

Introductory microbiology lab is found in municipal water-testing laboratories, in high schools, and in some community colleges teaching introductory microbiology classes, where the microbial agents of the lab are not considered hazardous.

Biosafety is considered to secure the health of the people working with microbes and other chemicals. there are three different levels of biosafety.

In biosafety level 3, which is used in diagnostic, and clinical research, workings deal with hazardous substances, to secure the health of the persons in the working area.

Therefore, introductory microbiology students work with Biosafety Level 1.

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Related Questions

Which comes first in the digestion of food-ingestion or egestion?
ingestion
egestion
Neither process is related to the digestion of food.

Answers

Answer:

ingestion comes first before egestion

With Mitosis, The daughter cells are genetically___?​

Answers

Answer:

With mitosis, the daughter cells are genetically identical to each other, and to the parent cell.

Explanation:

The process in which a single parent cell divides into two new genetically identical daughter cells having the same amount of chromosomes as that of parent cell is called mitosis.

The original mice that you cross are called the
.The offspring from that cross are called the

Answers

The original mice that you cross are called the parent generation. The offspring from that cross are called the first Filial generation.

explain how the freshness of the mushroom can be maintained using salt solution for a week.​

Answers

Answer:

salt is a preservative that is used to preserve food. deep the mashroom into the solution

On agar, partial (green) hemolysis is ___-hemolysis, complete (clear) hemolysis is ___-hemolysis, and absent hemolysis is ___-hemolysis.

Answers

On agar, partial (green) hemolysis is alpha-hemolysis, complete (clear) hemolysis is beta-hemolysis, and absent hemolysis is gamma-hemolysis.

On agar, partial (green) hemolysis is α (alpha)-hemolysis, complete (clear) hemolysis is β (beta)-hemolysis, and absent hemolysis is γ (gamma)-hemolysis.

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What changed about the finches that Darwin observed that allowed them to fill a variety of niches?
A. Their feather color

B. Their beak shape

C. The location of their eyes on their head

D. The speed at which they could run​

Answers

Answer:

B. Their beak shape

Explanation:

These birds, although nearly identical in all other ways to mainland finches, had different beaks. Their beaks had adapted to the type of food they ate in order to fill different niches on the Galapagos Islands. Their isolation on the islands over long periods of time made them undergo speciatio

Answer: B. Their beak shape

Explanation:

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PLS SOMEONE I NEED HELP I WILL GIVE POIHTS AND I WILL MARK BRAINLIEST I WILL DO ANYTHING JUST PLS SOMEONE

Answers

1. a) father (Rr), mother (rr)

b) from the attached file(1)

c) the possible genotypes are

Rr - 50%rr - 50%

d) but from the information given above the only possible genotype for SpongeGerdy is Rr, because we were told that she was squarepants

e) Rr

f) from the attached file(2)

g) the possible genotypes are

RR - 25%Rr - 50%rr - 25%

h) the genotypes for squarepants are RR and Rr

therefore probability is (25 + 50)% = 75% or 3/4

i) the only genotype for roundpants is rr

therefore probability is 25% or 1/4

2. a) wilba - Ee , wilbur -EE

b) from the attached file(3)

c) the possible genotypes are

EE - 50%Ee - 50%

d) the genotypes for round eye are EE and Ee

therefore probability is (50 + 50)% = 100% or 1

e) the only genotype for oval eye is ee

therefore probability is 0

3. a) squidward - BB . squidette - bb

b) from the attached file(4)

c) the only possible gene is Bb - 100% or 1

d) the genotypes for a light blue skin are BB and Bb

therefore probability is (0 + 100)% = 100% or 1

e) the only genotype for a light green skin is bb

therefore probability is 0

f) No, they are not. this is because they are heterozygous i.e.( they carry gene for a light green skin)

g) from the attached file(5)

h) the possible genotypes are

BB - 25%Bb - 50%bb - 25%

i) the genotypes for a light blue skin are BB and Bb

therefore probability is (25 + 50)% = 75% or 3/4

j) the only genotype for a light green skin is bb

therefore probability is 25% or 1/4

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In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen
6CO2 + 6H20 - CH2O +602
Which component could be added to complete this chon

Answers

Explanation:

because c how JavaScript help guidev. your house he hasn't gotten help gettingg

after sulfa drugs and penicillin were introduced, people hoped such drugs would eliminate most bacterial diseases. unfortunately, this has not happened. why is this?

Answers

After sulfa drugs and penicillin were introduced, people hoped such drugs would eliminate most bacterial diseases because, Bacteria have evolved resistance to antibiotics due to natural selection and overuse/misuse of antibiotics.

The far reaching utilization of sulfa medications and penicillin did at first diminish the occurrence of bacterial illnesses, however over the long run, numerous microbes have developed protection from these medications. This has happened because of normal choice, by which the microscopic organisms with changes that present protection from anti-microbials get by and imitate, while the non-safe microorganisms vanish. Furthermore, abuse and abuse of anti-infection agents, like taking them when they are excessive or not following through with a full tasks of treatment, has added to the improvement of anti-infection safe microbes. In this way, while anti-infection agents stay significant devices in the treatment of bacterial diseases, it is essential to utilize them sensibly to slow the development of anti-toxin safe microorganisms.

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- What are the differences between proviruses and viral DNA?

Answers

Explanation:

Retroviruses. Retroviruses are viruses that are able to reverse transcribe their RNA genome into DNA, which is then integrated into a host genome.

Proviruses are integrated viral genomes that replicate. Retroviruses can reverse transcribe their RNA genome into DNA before integrating with the host genome.

What is virus?

A virus is a type of infectious agent that is submicroscopic in size and can only replicate itself inside the living cells of an organism. Viruses are able to infect all forms of life, including animals, plants, and microorganisms of all kinds (such as bacteria and archaea).

A provirus is a stage in the process of viral replication in which the viral genome becomes integrated with the host DNA. A retrovirus, on the other hand, is an RNA virus that is capable of performing reverse transcription on its RNA genome in order to produce DNA before integrating with the genome of its host.

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​Sixty-five-year-old Pablo is terminally ill with cancer. In terms of the stages of death and dying, how can his family and health care providers best help him?
a.
​Ignore Pablo's depressive state, and make efforts to cheer him up.
b.
​Respond back to Pablo's expressions of anger.
c.
​Understand the stages, and help Pablo attain a state of final acceptance.
d.
​Do everything possible to help Pablo avoid the acceptance stage, since this stage represents giving up hope

Answers

c. Understand the stages and help Pablo attain a state of final acceptance.

According to Elisabeth Kübler-Ross's stages of death and dying, the final stage is acceptance. During this stage, individuals come to terms with their impending death and find a sense of peace. They may have a desire for closure and may focus on personal relationships and making amends.

In order to best help Pablo, his family and healthcare providers should understand these stages and provide support and assistance in achieving acceptance.

This can involve creating a supportive and compassionate environment, actively listening to Pablo's feelings and concerns, addressing any physical or emotional pain he may be experiencing, and providing opportunities for him to express his wishes and engage in meaningful activities.

It is important to acknowledge that each individual's experience with death and dying is unique, and not everyone may progress through the stages in the same way or at the same pace. The key is to provide personalized care and support based on the individual's needs and preferences.

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What is the main indicator of fecal microbiological contamination?

Answers

The main indicator of fecal microbiological contamination is the presence of coliform bacteria in the sample. Coliforms are a group of bacteria that includes Escherichia coli (E. coli), which are commonly found in the feces of humans and animals. Coliforms are used as an indicator of fecal contamination because their presence suggests the possible presence of other harmful microorganisms in the water or food sample.

Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so. This is an example of a(n) argument.
circular reasoning
begging the question
argumentum ad hominem
bandwagon

Citizens must support reducing global climate change or all the world's major economies will crash. This statement is an example of a(n) argument.
bandwagon
argumentum ad hominem
false dichotomy
hasty generalization

Answers

Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so. This is an example of a(n) bandwagon argument.

The statement "Citizens must support reducing global climate change or all the world's major economies will crash" is an example of a false dichotomy argument. A false dichotomy is a logical fallacy that presents two options as if they were the only ones possible, when in reality there are more alternatives. It can be seen in the above-mentioned statement as it presents only two choices, either citizens must support reducing global climate change, or the world's major economies will crash.

However, there could be other alternatives or solutions to this problem that are not being considered. In contrast, the argument "Developed countries need to replace modern medicines with natural healing herbs because millions of people in China and India are already doing so" is an example of a bandwagon argument.

 A bandwagon argument is a type of logical fallacy that suggests that something is correct or right because a lot of people are doing it. In this case, the argument suggests that developed countries should also switch to natural healing herbs because millions of people in China and India are already doing so.

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please someone help me?
Number 12
Number 19
Number 16 ​

please someone help me? Number 12 Number 19Number 16

Answers

Answer:

12) When a solid dissolves the solid (solute) and the liquid (solvent) form a very close intimate mixture called a solution

16) In other words, plasma membranes are selectively permeable—they allow some substances through but not others. ... The most direct forms of membrane transport are passive. Passive transport is a naturally occurring phenomenon and does not require the cell to expend energy to accomplish the movement.

19) To move substances against a concentration or electrochemical gradient, the cell must utilize energy in the form of ATP during active transport. Primary active transport, which is directly dependent on ATP, moves ions across a membrane and creates a difference in charge across that membrane.

When we exhale does the diaphragm relax and goes down

Answers

Answer:

True.

Explanation:

The diaphragm is like a pump; to bring in air, it opens up, pulling air in. To release it, it closes back down, forcing air out.

Answer:

Yes

Explanation:

When we exhale, the diaphragm relaxes and proceeds to return to a normal resting shape. The air is forced out of the lungs causing the diaphragm to go down.

Which definition is the best for semipermeable membrane?

Answers

Answer:

semipermeable membrane which means molecules can move through them

Why does our brain automatically make Type I errors (believe things without evidence)?

Answers

Answer:

the brain makes mistakes because it applies incorrect inner beliefs, or internal models, about how the world works.

Explain in your own words how the Cell Theory is an example of a scientific theory.

Answers

Explanation:

Cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all organisms and also the basic unit of reproduction.

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according to the concept of resource partitioning, which combination of attributes of a community would tend to lead to higher species richness?

Answers

According to the  concept of resource partitioning, a community would tend to lead to higher species richness by ow specialization of species and broad resource spectrum.

What is the habitat?

We know that the habitat refers to the place where species live hence, the region that is populated by different species of living things can be regarded as a habitat.

Now the number of the species that we have in the habitat is what we call species richness. To define the term more technically, we are talking about the different species that can be found on the habitat. Simply put, it is the term that is used to show the diversity of the habitat.

Now, we know that there are several factors that can be able to influence the habitat where we can find living things and these factors account for the reasons why some reason have a greater species richness compared to other areas.

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Missing parts;

According to the concept of resource partitioning, which attribute of a community would tend to lead to lower species richness? a) Low specialization of species b) A broad resource spectrum c) A narrow resource spectrum with high specialization d) Both a and b

Does a rock use energy

Answers

Answer:

No

Explanation:

A rock has no way of consuming energy as it is not a living organism, and cannot perform any processes to transform energy.

A peacock is significantly more colorful than a pea hen and has a much larger tail. These traits allow the peacock to attract a mate but also make the peacock more visible to predators. This is an example of:

Answers

Answer:

This is an example of runaway sexual selection

Answer is runaway sexual selection
Explain- a theory of female mate selection proposing that certain male traits with little or no survival advantage are nonetheless so sexually attractive to females that they choose mates with these traits and thereby ensure male offspring with the same attractive traits.

What kind of element is carbon

Answers

Answer:

nonmetal

Explanation:

Carbon is a nonmetallic chemical element in Group 14  of the periodic table. Although widely distributed in nature, carbon is not particularly plentiful—it makes up only about 0.025 percent of Earth's crust—yet it forms more compounds than all the other elements combined

Nonmetal


I looked it up

the posterior deltoid, latissimus dorsi, and teres major have which of the following shoulder motions in common?

Answers

The posterior deltoid, latissimus dorsi, and teres major have extension of the shoulder in common.

The posterior deltoid, latissimus dorsi, and teres major are all muscles involved in shoulder joint movement. They have different origins and insertions, but all share the function of extending the shoulder joint. The posterior deltoid is responsible for shoulder abduction and extension, while the latissimus dorsi is the primary muscle for shoulder adduction and extension. The teres major is a small but powerful muscle that assists in shoulder adduction and extension, as well as medial rotation. These muscles are important for activities that involve shoulder extension such as rowing and pull-ups.

The posterior deltoid, latissimus dorsi, and teres major are all muscles involved in shoulder movements, particularly in movements that involve shoulder adduction and extension. The posterior deltoid is responsible for shoulder extension, while the latissimus dorsi and teres major are responsible for shoulder adduction and extension. These muscles work together to produce a wide range of movements in the shoulder, including movements that involve the arm moving away from the body, such as pulling or lifting objects. They are also involved in movements that involve rotating the shoulder, such as throwing a ball or performing a backhand stroke in tennis.

The posterior deltoid, latissimus dorsi, and teres major are all part of the larger group of muscles that make up the shoulder girdle. The shoulder girdle is made up of several muscles and bones that work together to allow for a wide range of movements in the shoulder joint. These muscles are particularly important for activities that involve lifting, pulling, or pushing objects, such as weightlifting or manual labor. Proper training and strengthening of these muscles can help prevent injuries and improve performance in a variety of sports and activities.

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the main habitat (reservoir) of salmonella enterica, the causative agent of salmonellosis, is select one: quizlet

Answers

Salmonella enterica is a rod-shaped bacterium and the causative agent of salmonellosis. This bacterium can be found in various environments, including soil, water, and animal feces. One of the primary reservoirs of Salmonella enterica is the intestinal tract of various animals, including livestock, poultry, and wild animals.

The bacterium Salmonella enterica is the causative agent of salmonellosis.Salmonella enterica can be found in different environments like soil, water and animal feces.The primary reservoir of Salmonella enterica is the intestinal tract of different animals such as poultry, livestock, and wild animals. Animals infected with Salmonella enterica shed the bacteria in their feces, which can contaminate the environment.

When animals are infected with Salmonella enterica, they shed the bacteria in their feces, which can contaminate the environment. From the environment, these bacteria can enter the food chain, causing infection in humans. Contaminated food is a common source of Salmonella enterica infection in humans. Raw poultry and meat, unpasteurized dairy products, eggs, fruits, and vegetables can all be contaminated with Salmonella enterica. Salmonella enterica can survive for long periods in various environments, and its ability to spread through different food chains poses a considerable threat to human health. Hence, proper hygiene practices, including frequent hand washing, proper food handling, and cooking practices, are essential to reduce the risk of Salmonella enterica infection.

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The sea star uses its __________ to capture its favorite prey, an oyster or clam, before ingesting it. ANSWER Unselected tube feet Unselected spiny skin Unselected mouth Unselected stinger Unselected stomach Unselected I DON'T KNOW YET

Answers

The sea star uses its tube feet to capture its favorite prey, an oyster or clam. The tube feet are small, thin and flexible, and are located along the sea star’s body and on its underside.

Each tube foot has a suction cup-like tip that the sea star uses to attach itself to its prey. The tube feet are also used for locomotion, enabling the sea star to move and crawl along the ocean floor.

The sea star then wraps its arms around the oyster or clam and uses its spiny skin to pry open the shell. Once the shell is opened, the sea star uses its mouth to ingest the soft tissue inside.

Afterward, the stomach of the sea star begins to digest the food and turn it into nutrients. The sea star does not use a stinger to capture its prey, but instead relies on its tube feet and spiny skin to do the job.

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Owls Are Being Tort ured, Kil led at Johns Hopkins for ADHD ‘Research’

Please spread this! This is ANIMAL AB USE. not "research." Please spread the message!

Answers

This is not a question.

Next make at least four genetic matches of offspring by moving the chromosomes from a sperm and egg cells together to form a diploid offspring. in the table record The genotype and phenotype of each offspring as shown in the example.

Answers

Explanation:

A- represents gene for normal skin

a- represents a gene for albinism

Genotype Aa × As

Gametes A a A a

Gamete A a

A. AA Aa

a. Aa. aa


Which of these describes carbon?

A. Carbon is cycled by carbon-fixing bacteria.
B. Carbon is found in every living thing.
C. Carbon is very reactive.

Answers

According to the research, the correct option is B. Carbon is found in every living thing is the statement that correctly describes carbon.

What is carbon?

It refers to the atom that is the structural basis of all molecules and can be combined with other atoms such as hydrogen, oxygen and nitrogen and the substance that has carbon and is present in a living being is qualified as organic.

In all known forms of life, carbon appears among its components and can also be found in natural gas, diamond, oil, carbon dioxide and coal, for example.

Therefore, we can conclude that according to the research, the correct option is  B. Carbon is found in every living thing is the statement that correctly describes carbon.

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Answer:Carbon is found in every living thing.

Explanation:

One reason male peacocks spread their tail feathers is to attract a mate. How does choosing a male with a bright, full tail increase a peahen’s chance of producing healthy peachicks?

Answers

Answer:

It means that the peacock is more than likely healthy meaning healthy offspring?

Explanation:

Answer:

Typically, if a peacock has a bright tail with many feathers and eyespots, a female will choose him. These tail features indicate that the peacock may be healthier than other males and, therefore, produce healthier peachicks.

Explanation:

sample response on edge 2020

How many types of nitrogen bases does DNA have?

Answers

Answer:

four nucleotides

There are four nucleotides, or bases, in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T).

Explanation:

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