api 20e: which wells should have both the tube and cupule filled with bacterial suspension?
Answers
The API 20E system is a biochemical test panel used for the identification of Enterobacteriaceae and other gram-negative bacteria.
In the API 20E test strip, there are a series of wells and cupules associated with different biochemical tests. To ensure accurate results, it is essential to fill the appropriate wells and cupules with bacterial suspension.
In the API 20E test strip, you should fill both the tube and cupule of the following wells: ADH (arginine dihydrolase), LDC (lysine decarboxylase), ODC (ornithine decarboxylase), H2S (hydrogen sulfide production), and URE (urease) tests. These tests require the presence of the bacterial suspension in both the tube and the cupule to facilitate the biochemical reactions and provide a clear interpretation of the results.
When performing the API 20E test, always follow the manufacturer's instructions and ensure proper aseptic techniques are used to maintain the accuracy and reliability of the results. In summary, for the ADH, LDC, ODC, H2S, and URE tests, fill both the tube and cupule with bacterial suspension to obtain valid and interpretable outcomes.
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Related Questions
classify each of the following as an element, compound, homogeneous mixture, or heterogeneous mixture. 1.water
2.Caesar Salad
3.milk and cereal
4.Iron filings
5.blood
6.sugar
7.sand
8.sea water
9.salt
10.carbon dioxide
Answers
Caesar Salad, milk and cereal, Blood, Sand are heterogeneous mixture while water, sugar and salt are compounds and Iron filings is a element and Sea water is a homogeneous mixture
A pure substance with only one kind of atom makes up an element. The elements oxygen, hydrogen, and iron are examples.
A compound is a substance that is composed of two or more distinct elements that have been chemically bonded together in a specific proportion. Examples include sodium chloride, carbon dioxide, and water.
A combination of two or more substances that are evenly distributed at the molecular level is referred to as a homogeneous mixture. The mixture's composition is constant throughout. Examples include air, sugar water solutions, and saltwater.
A combination of two or more substances that are not distributed equally is referred to as a heterogeneous mixture. Visual differentiation between the various elements is possible and with time, they may settle or separate. A salad with various ingredients, soil and vinegar dressing are some examples.
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three take aways about annelids.
Answers
Answer:
1. Their body is segmented
2. They respire through their body surface
3. They exhibit organ system level organization
two of the structures that the nucleus depends on
Answers
Answer:
DNA and its membrane
Explanation:
Answer:
the cell's DNA and the cellular organelles
Explanation:
Necesito ayuda para balancear la ecuación Al + O2➡️ Al2O3
Answers
To balance the equation, we need to ensure that the same number of atoms of each element is present on both sides of the equation.
Step 1: Count the number of atoms of each element on the left and right side of the equation:
Left side: Al = 1, O = 2
Right side: Al = 2, O = 3
Step 2: Balance the number of atoms of each element by adjusting the coefficients of the compounds:
Al + O2 ➡️ 2Al2O3
Now, let's check if the equation is balanced:
Left side: Al = 2, O = 2
Right side: Al = 2, O = 6
The equation is now balanced, with 2 atoms of aluminum and 6 atoms of oxygen on both sides of the equation.
Therefore, the balanced equation is: 2Al + 3O2 ➡️ 2Al2O3.
Describe the two phenomena (sub-problems) that caused the contamination of Cleveland
drinking water.
Answers
Answer:
So you can give the other person brainliest
Explanation:
______ include everything that is useful as a productive input in its natural state, such as land, forests, mineral and oil deposits, and water .
Answers
The term you are referring to is "natural resources." Natural resources encompass all the elements and materials present in the environment that are considered valuable and useful for human activities. They include everything that is available in its natural state and can be used as productive inputs for various purposes.
Natural resources can be classified into different categories based on their origin and characteristics. Here are some examples:
1. Land and Soil: Land provides a physical space for human activities and supports various ecosystems. It includes arable land for agriculture, forests, grasslands, and other terrestrial environments. Soil, a crucial component of land, is essential for plant growth and agriculture.
2. Water Resources: Water is a vital natural resource, necessary for drinking, irrigation, industrial processes, and the functioning of ecosystems. It includes freshwater sources such as rivers, lakes, and groundwater.
3. Mineral and Energy Resources: This category includes minerals, ores, fossil fuels, and other energy sources. Examples include coal, oil, natural gas, uranium, iron ore, copper, gold, and various other minerals that are extracted and used in industries.
4. Forests and Biodiversity: Forests are rich sources of timber, wood products, and non-timber forest products. They also provide habitat for numerous species and play a crucial role in carbon sequestration and climate regulation.
5. Air and Atmosphere: While not typically thought of as a resource, the atmosphere provides essential gases, such as oxygen and nitrogen, necessary for life. It is also affected by human activities and is a vital component in climate regulation.
Natural resources are essential for sustaining human life and supporting economic activities. However, their availability and distribution are not uniform globally, leading to challenges in resource management, conservation, and equitable access. Responsible and sustainable use of natural resources is crucial to ensure their long-term availability and to mitigate negative environmental impacts.
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2. what are mountains that form along fault lines called
Answers
I think the answer you may be looking for is fault-block mountains. They are created when faults or cracks in the Earth’s crust force materials upward. So instead of folding, like the plate collision we get with fold mountains, block mountains break up into chunks and move up or down. Fault-block mountains usually have a steep front side and then a sloping back side :)
what would be the result in macromolecule structure and function if the world was based on a small nonpolar lipid
Answers
Changes is macro molecule structures are expected among other things.
Briefing :There would be significant changes to proteins and carbohydrates if the Earth were built on a tiny non-polar lipid rather than water. Basic alterations in an organism might include solubility, catabolism, metabolism, and absorption. Because there aren't enough dissolved media, a lot of water-soluble material would become immobile.
However, other stuff that is soluble in fat will be very mobile and well absorbed. Sessile organisms that rely on nutrients that are dissolved in water for absorption, such as trees, will lose this capability. Finally, abiotic variables like precipitation and rock weathering will be affected. There will no longer be polar cap freezing or ice melting, and there will be an influx of a non-evaporating liquid.
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What occurs to a DNA strand during DNA replication?
a
The DNA strand is shortened.
b The DNA strand is deleted.
с
The DNA strand is lengthened.
d The DNA strand is copied.
Check it
Answers
Answer:
It is copied.
Explanation:
Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.
Answer:
it is copied option d
Explanation:
DNA molecule is copied to produce two identical DNA molecules.
Explain how body plan and anatomy enables chordates to preform the essentials functions it needs to survive
Answers
Chordates share five morphological characteristics with deuterostomes, including a muscular postanal tail, a notochord, a dorsal neural tube, an endostyle, and pharyngeal gill slits.
The chordate notochord is a rigid rod with a fibrous sheath and a turgid core. It holds the creature back from shortening when locomotory waves are delivered through solid compression. Fluid in the body cavities provides support for the chordate body. The tunic provides additional support in tunicates.
A group of structural and developmental characteristics known as a body plan can be used to identify an animal species, such as a phylum. At some point during their development, whether they are in the embryonic, larval, or adult stages, all of the members of a particular group share the same body plan.
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Q-Explain how the body plan as well as the anatomy of a clownfish enables chordate to perform the essential functions that it needs in order to survive. Explain how the clown fish chordate fits into the cladogram of chordates.
Antiseptic surgery was pioneered by A. Pasteur. B. Lister. C. Jenner. D. Kitasato.
Answers
Antiseptic surgery was pioneered by B. Lister.
Joseph Lister was a British surgeon widely regarded as the founder of antiseptic surgery.
After studying the work of Louis Pasteur, who demonstrated the germ theory of disease, he developed the concept of antiseptic surgery in the 1860s. Lister recognised that the presence of microorganisms in the wound caused many surgical infections, and he developed techniques for sterilising surgical instruments and creating a sterile environment in the operating room to prevent infections.
Lister's antiseptic surgery techniques revolutionised the field of surgery and significantly reduced the incidence of surgical infections. His legacy lives on today through the use of antiseptic techniques in all aspects of healthcare.
Antiseptic surgery is a surgical technique that employs the use of antiseptic agents to stop and regulate the growth of microorganisms that can result in infection in the surgical wound. Joseph Lister pioneered the use of antiseptic techniques in surgery in the late 1800s, and it revolutionised the field of surgery.
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15. Water has a high specific heat capacity. it means that it: a. heats up and cools down slowly b. heats up slowly but cools down quickly c. heats up quickly but cools down slowly d. heats up and cools down quickly
Answers
Answer: Heats up slowly and cools down quickly
Explanation: Think of a pot of boiling water it takes a little bit for it to heat up but it cools down fairly quickly or may or maybe a tub of hot water you can start it off with hot water but after sitting in it for a little bit it cools down. Answer is B
50 points all three please asap
Answers
4.
What is the salinity of seawater?
1.5 percent
3.5 percent
10 percent
5.5 percent
Answers
Answer:
I think the answer is 3.5%
Explanation:
35 parts per thousand of seawater contains salt therefore your answer is 3.5
if natural selection is the only force acting on this population from generation to generation, what do you predict will happen to allele frequencies over successive generations?
Answers
Microevolution, or a change in allele frequencies over time, can be brought on by natural selection, with fitness-increasing alleles becoming more prevalent in the population over the course of generations.
Microevolution may result from natural selection. The phenotype, or visible characteristics, of an organism is affected by natural selection. Often, genotype largely determines phenotype (the alleles, or gene versions, the organism carries). Natural selection can raise the frequency of the beneficial alleles from one generation to the next, or it can generate microevolution, where a phenotype produced by certain allele.
Example: rabbit's fur color
A population evolves via natural selection:
In comparison to their counterparts, organisms with heritable genetic traits that aid in their ability to survive and reproduce in a certain environment tend to create more offspring. The population will eventually acquire more heritable features that aid in reproduction and survival if this continues over numerous generations. The population generation will change in terms of its genetic make-up and inherited qualities, but it will also change in a way that makes it more suited to its environment.
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Stems transport water and nutrients throughout a plant. Why is an Arctic
plant unable to do this in the winter?
F. The water is frozen.
G. There is no sunlight.
H. There are too many nutrients.
L The air is too cold.
Answers
Please mark brainliest!!!!!!!
the treatment for a nephrolith lodged in the ureter is called
Answers
Answer:ureteroscopy
Explanation:
Can someone help me with this?
Answers
Answer:
grass-grasshopper- chicken- snake- eagle
Why does the sun make you happy?
Answers
Answer: it increases serotonin in the brain
Explanation:
Answer:
because it does.
Explanation:
sun = sun
A researcher designed an experiment to measure the rate of fermentation in different flasks based on the presence or absence of different carbohydrate sources. They placed warm yeast broth in four different flasks. To each flask, different components were added, as shown by the table above. During the implementation of this experiment, what question would the researcher ask in order to determine the fermentation rate in each flask?
Answers
To determine the fermentation rate in each flask, the researcher would ask, "How much is each flask producing carbon dioxide over a certain period?" The researcher would need to gauge the quantity of carbon dioxide yielded by each flask over a specific time interval using a gas-collecting apparatus, such as a burette or gas syringe.
What is fermentationFermentation is a metabolic process that occurs without oxygen, in which microorganisms convert carbohydrates, such as sugars and starches, into energy and other compounds.
Is carbon dioxide the only byproduct of fermentation?No, carbon dioxide is not the only byproduct of fermentation. In addition to carbon dioxide, fermentation can produce a variety of other byproducts depending on the specific type of fermentation and the conditions under which it occurs. For example, alcoholic fermentation produces carbon dioxide and ethanol as a byproduct. Lactic acid fermentation yields lactic acid as a byproduct.
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Haven't Answered a Question lately So I'll ask
What are the top three fastest animals in the world?
Answers
Answer:
cheetah golden eagle white throated needletail Swift
1. Peregrine Falcon
2. Golden Eagle
3. White Throated Needle-tail sSwift
staphylococcus species are resident human microflora. if you wanted to culture staphylococcus where should you swab?
Answers
In order to culture staphylococcus, we used to swab in the throat, nose, and skin.
Staph infections are caused by staphylococcus microscopic organisms. These sorts of germs are commonly found on the skin or within the nose of numerous healthy individuals. Most of the time, these microscopic organisms cause no issues or cause moderately minor skin infections. But staph diseases can turn dangerous on the off chance that the microscopic organisms attack more profoundly into your body, entering your circulatory system, joints, bones, lungs, or heart. A developing number of something else sound individuals are creating life-threatening staph infections. Treatment ordinarily includes antimicrobial and cleaning of the infected zone
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Which describes the horizons in a soil profile? Horizon A is mineral deficient. Horizon O forms from organic material. Horizon B undergoes the least amount of change. Horizon C is most affected by the soil formation process.
Answers
Answer:
horizon 0 forms from organic material or B
Explanation:
Answer:
Horizon O forms from organic material.
Explanation:
I toke the test
Question 2 of 10
What could a human living now and a horse living thousands of years ago
have in common?
A. They need the same amount of energy to survive.
B. They are made of some of the same matter.
O C. They have the exact same DNA.
O D. They both get their energy directly from the sun.
SUBMIT
Answers
Answer:
A. they need the same amount of energy to survive
Which protists obtain their energy from absorbing the nutrients of decaying matter? fungi-like protists
animal-like protists
plant-like protists
all of the above
Answers
fungi-like protists
fungi breaks down decaying matter
A change in density occurs as a result of _____ compression .
Answers
Answer:
A change in density occurs as a result of HIGH compression .
points)
After glycolysis happens in the cytoplasm, where do the pyruvate molecules that
were made from the food go for the next step in the cellular respiration process?
The Mitochondria
The Nucleus
They remain in the cytoplasm
The Golgi Apparatus
Answers
Answer:
Mitochondria
Explanation:
Have a nice day
Which cell has both a cell wall and a cell membrane?
please answer quickly its urgent
Answers
Answer:
Plant Cell
contains both
1. Which layer of the atmosphere has:
a. the most water vapor?
b. the lowest pressure?
2. What remains the same in different layers of the atmosphere?
3. Scientists have divided the earth's atmosphere into different layers. What property of the atmosphere do you think these divisions are based on?
4. You collected data on four layers of the atmosphere. The atmos- phere merges into outer space in an extremely thin upper layer known as the exosphere. Which of the five layers of the atmos- phere do people live in?
Answers
Answer:
question 1- a. troposphere b. mesosphere
question 2- Earth's atmosphere is similar to a jacket for our planet. It surrounds our planet, keeps us warm, gives us oxygen to breathe, and it is where our weather happens.
question 3- temperature because Scientists divide Earth's atmosphere into four main layers classified according to changes in temperature.
question 4- Troposphere
Explanation:
DNA Strand
CGA TT
GCT TA
GCA TC
TTC AT
mRNA Strand?
Answers
Transcription refers to the mRNA synthesis event, which occurs in the nucleus and uses the DNA teplate strand to complement its bases. A) CGA TT⇒GCU AA. B) GCT TA ⇒ CGA AU. C) GCA TC ⇒ CGU AG. D) TTC AT ⇒ AAG UA.
What is transcription?
The first step before protein arrangement is to synthesize messenger RNA, mRNA.
Transcription is the synthesis of the messenger RNA, mRNA. This event occurs in the nucleus and uses fragments of DNA molecules to do it.
When the DNI molecule separates into two strands, we can identify
The coding strand –non-template strand- goes in direction 5' to 3',The complementary strand -template strand- grows in direction 3' to 5'.The template strand is the one that is going to be complemented by the mRNA.
mRNA molecule grows complementing DNA base sequences. This is,
DNA mRNA
adenine ⇔ uracil
guanine ⇔ cytosine
thymine ⇔ adenine
cytosine ⇔ guanine
Once mRNA synthesis is over, the molecule leaves the nucleus to start the transcription process in the cytoplasm.
In the eposed example,
DNA Strand mRNA
CGA TT ⇒ GCU AA
GCT TA ⇒ CGA AU
GCA TC ⇒ CGU AG
TTC AT ⇒ AAG UA
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