What is the term for a plasmid that codes for antibacterial resistance?
Answers
The term for a plasmid that codes for antibacterial resistance is known as a resistance plasmid or R plasmid. These plasmids are common in bacteria and provide them with the ability to resist the effects of antibiotics.
R plasmids carry genes that code for enzymes that can break down antibiotics, efflux pumps that can remove antibiotics from the bacterial cell, or modifications to bacterial cell walls that prevent antibiotics from entering. These genes can be transferred between bacteria through a process called horizontal gene transfer, allowing the spread of antibiotic resistance between different species of bacteria. The emergence of antibiotic-resistant bacteria has become a major public health concern, as it can lead to infections that are difficult or impossible to treat with current antibiotics.
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A student conducted an experiment to test whether talking to plants would help them to grow faster. he set up the following two groups: group 1: spoken to and hand watered group 2: not spoken to and watered with sprinklers after three weeks, the plants in group 1 showed much more growth than those in group 2. based on the results of this experiment, which is the best conclusion? they are valid because the student ran a controlled experiment. they are not valid because the student did not control all the variables that can affect plant growth. they are valid because the dependent variable caused a change in the independent variable. they are not valid because the time frame to grow a plant is too short.
Answers
From the results in the experiment the best conclusion is : ( B ) they are not valid because the student did not control all the variables that can affect plant growth
Experimental varablesThe growth variables such as amount of light and amount of water need for the plants to grow effectively are not controlled in the experiment. The first group was hand watered while the second group was watered with a sprinkler therfore the amount of water reaching both groups are not the same therefore the experimental conclusion is not valid.
Hence we can conclude that From the results in the experiment the best conclusion is : ( B ) they are not valid because the student did not control all the variables that can affect plant growth.
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Answer:
B on edge
Explanation:
How do the baseline metabolic rates of the thyroidectomized and hypophysectomized rats compare with the normal rat? explain any differences
Answers
The thyroidectomized rat's basal metabolic rate was lower because the thyroid gland's removal rendered it incapable of generating any thyroxine.
Without the pituitary gland to make THS, the metabolic rate would decrease.
What is metabolic baseline?The amount of energy used while at rest in a neutral environment after the digestive system has been quiescent for roughly 12 hours is known as the basal metabolic rate (BMR).
It is the speed at which one's metabolism resumes after "fasting" during sleeping.
Which base metabolic rate is ideal?Normal BMR ranges from negative 15% to positive 5%, with the majority of hyperthyroid patients having a positive BMR of 20% or higher and the majority of hypothyroid patients typically having a negative BMR of 20% or lower.
What does a fast metabolic rate mean?Your body consumes energy (or burns calories) more quickly if you have a high metabolism or fast metabolic rate than someone with a slower metabolism.
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Which of the following claims is best supported by the data? The chemical prevents the formation of RNA primers. Answer A: The chemical prevents the formation of R N A primers. A The chemical inhibits DNA ligase.
Answers
The statement 'the chemical inhibits DNA ligase' is best supported by the data. DNA ligase is an enzyme that works in specific conditions.
DNA ligases and recombiant DNADNA ligases represent a group of specific enzymes that ligate fragments of DNA according to their nucleotide sequences.
DNA ligases functions at specific conditions and chemical substances present in the medium can inhibit their activity.
DNA ligases and restrictions enzymes are different types of enzymes used in DNA recombinant technologies.
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why are fungi not included in Kingdom plantae
Answers
Answer:
cell walls of the fungi are made of chitin not cellulose
fungi absorbs nutrients from other organisms whereas plant make their own food
Answer:
please make sense
Explanation:
Crohn’s disease causes inflammation of the digestive tract, particularly the small intestine. Inflammation of the small intestine would directly interfere with which of the following digestive functions?
Answers
Answer:
Explanation:
Crohn's disease causes inflammation of the digestive tract. It affects the small intestine and parts of the large intestine.
The disease interferes with partial or complete intestinal obstruction. It causes to block the movement of food or stool through the intestines.
In the long run, it would cause inflammation in other body areas.
COVID-19 Vaccine: How to Overcome Distribution Bottlenecks and Boost Success
The supply chain’s ability to support the massive rollout of the COVID-19 vaccine is being put to the test. Temperatures, transportation distances, volume - and even the timing of the vaccine’s second dose - are all critical factors. To ensure a responsive COVID-19 supply chain in the face of such daunting variables, leaders must have visibility, transparency, flexibility and foresight.
As the first COVID-19 vaccine developed by Pfizer and BioNTech is rolled out in the U.S., U.K. and other parts of the world and another 987-odd drugs and vaccines are in development (with 16 in the final phase) as of Dec. 15, 2020, pharma companies, Contract Manufacturing Organizations (CMOs) and suppliers are racing against time to put in place a sound production and supply chain plan so the vaccines can reach people speedily and securely.
There are, however, considerable uncertainties and variables at this stage that can impact the production and distribution of the vaccine:
Uncertainties on approvals: It’s not entirely clear how many vaccines will be approved. This affects the total amount of vaccine doses available (in the short to medium term) and consequently, production and distribution capacities.
Nature of vaccine: An approved vaccine that needs a continuous cold chain and specified temperature range will impact not only its distribution and allocation, but it will also have have specific packaging requirements (for some vaccines, packaging must withstand temperatures as low as minus 80 degrees Celsius). Both Pfizer and Moderna vaccines must be stored at below-zero temperatures, with the Pfizer vaccine requiring dry ice and special refrigeration.
Number of vaccinations needed: How much vaccine a country needs depends on the population to be vaccinated and the vaccination timeline. This depends on public health care capabilities and government policies. For example, there will be no compulsory COVID-19 vaccinations in Germany.
Efficacy of vaccine: The efficacy rate of a vaccine will decide how often people need to be vaccinated to contain the pandemic, which will impact production and distribution. For example, the Pfizer and Moderna vaccines require two doses that must be administered in a short sequence to be effective, so there cannot be a lag in the supply chain.
QUESTION 1 [15 MARKS]
Identify five (5) strategies that can be utilised to counteract conflict in supply chain management. Provide examples based on the case study.
Answers
These strategies promote collaboration, agility, and adaptability, which are vital for overcoming conflicts and challenges in supply chain management during the distribution of COVID-19 vaccines.
1. Establishing strong partnerships and collaboration: Pharma companies, CMOs, and suppliers can form strategic partnerships to share expertise, resources, and knowledge, thereby enhancing the efficiency and effectiveness of the supply chain. For example, Pfizer and BioNTech collaborated with logistics providers and airlines to ensure the smooth transport and distribution of their COVID-19 vaccine, leveraging their respective capabilities.
2. Implementing real-time visibility and tracking systems: Deploying advanced technology solutions like Internet of Things (IoT) sensors, blockchain, and data analytics can provide real-time visibility into the supply chain, enabling stakeholders to identify and address bottlenecks proactively. This helps in ensuring timely deliveries and reducing wastage. For instance, monitoring temperature-controlled shipments using IoT sensors can help maintain the required cold chain for vaccines like Pfizer's and Moderna's.
3. Diversifying suppliers and manufacturing sites: Having multiple suppliers and manufacturing sites spread across different regions can mitigate the risk of disruptions. Pharma companies can work with multiple CMOs and suppliers to ensure redundancy in production capacity. This approach allows for flexibility in case of unforeseen events, such as manufacturing issues or transportation disruptions.
4. Developing contingency plans: Preparing contingency plans for potential challenges, such as vaccine approval delays or changes in government policies, can help minimize the impact on the supply chain. These plans should include alternative distribution channels, storage facilities, and transportation options. For example, pharma companies can maintain buffer stocks in strategic locations to handle unexpected demand surges or supply shortages.
5. Enhancing communication and transparency: Open and transparent communication among all stakeholders is crucial to address conflicts and align expectations. Sharing information on vaccine availability, distribution plans, and any changes in requirements can help stakeholders make informed decisions. Regular updates and coordination between governments, healthcare providers, and supply chain participants are essential for successful vaccine distribution.
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Describe how increasing salinity affects the amount of fluid ejected each time a contractile vacuole contracts. Calculate the water potential (Ψ) of an animal cell without contractile vacuoles if water enters the cell and creates a solute potential (ΨS) of −2. Assume that the pressure potential
(ΨP) in the cell is 0.
Answers
Increasing salinity reduces the amount of fluid ejected by contractile vacuoles during contraction.
Increasing salinity negatively affects the functioning of contractile vacuoles in regulating water balance within the cell. The contractile vacuole works by collecting excess water and expelling it from the cell to maintain proper hydration levels. Higher salinity levels outside the cell create an osmotic gradient, causing water to move out of the cell at a faster rate.
This results in a reduced amount of fluid available for ejection during each contraction of the contractile vacuole. Consequently, the cell may struggle to maintain osmotic balance, leading to potential dehydration and cellular dysfunction.
water entering the cell would dilute the solute concentration, reducing the solute potential (ΨS). Assuming a pressure potential (ΨP) of 0, the water potential (Ψ) of the cell would be equal to the solute potential (ΨS) of -2.
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one characteristic of life and living systems is that they are able to adapt. in general, cells interact with other cells and their environment through the action of their . group of answer choices hormones microtubular tracks intracellular electrical currents plasma membrane and extracellular matrix
Answers
The living cells are able to interact with the other cells with the help of their plasma membrane as well as the extracellular matrix.
The correct option is option d.
The animal cells have the extracellular matrix which is present in the outer region of cell membrane. It consists of a number of cell receptors which are present in the cell membrane as well as a number of proteins as well as carbohydrates.
The ECM as well as the receptors which are present on the cell membrane play a very role in the cell identification and also have a number of binding sites for chemical messengers such as different types of hormones. These receptors or the binding sites help the cell in receiving information from the other cells.
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A particle that is 1000 mm with traveling in a stream with a velocity of 10,000mms
Answers
The kinetic energy of the particle is approximately 26.18 gigajoules (GJ).
How to find the kinetic energy of the particle?
To convert the length of the particle from millimetres (mm) to meters (m), we divide by 1000:
Length of particle = 1000 mm / 1000 = 1 m
The velocity of the particle is given as 10,000 m/s.
We can use the equation for kinetic energy (KE) to calculate the energy of the particle:
\(KE = 1/2 * m * v^2\)
where m is the particle's mass and v is its velocity.
To calculate the mass of the particle, we need to know its density. Let's assume it has a density of \(1 g/cm^3.\)
The volume of the particle is:
\(V = (4/3) * pi * r^3\)
where r is the radius of the particle. We know the length of the particle is 1 m, so the radius is:
r = 1/2 = 0.5 m
Substituting the value of the radius into the equation for the volume:
\(V = (4/3) * pi * (0.5)^3 = 0.5236 m^3\)
The mass of the particle is:
m = density * volume\(= 1 g/cm^3 * 1000 kg/m^3 * 0.5236 m^3 = 523.6 kg\)
Substituting the values of mass and velocity into the equation for kinetic energy:
\(KE = 1/2 * m * v^2 = 1/2 * 523.6 kg * (10,000 m/s)^2 = 26.18 GJ\)
Therefore, the kinetic energy of the particle is approximately 26.18 gigajoules (GJ).
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Can someone help me with this please?!
Answers
In consideration of this produce the fragments of the following DNA sequence if it were exposed to BamHI:
No Fragmentation
5’ – GAGACCGGATCCACCGGC – 3‘
3’ – CTCTGGCCTAGGTGGCCG – 5’
Fragment 1 Fragment 2
Answers
when the given DNA sequence is exposed to BamHI, it will be fragmented into two fragments:
Fragment 1: 5'-GAGACCGG-3'
Fragment 2: 5'-ACCGGC-3'
BamHI is a type II restriction enzyme that recognizes the DNA sequence 5'-G↓GATCC-3', where the ↓ indicates the cleavage site. Upon exposure to BamHI, the DNA sequence will be fragmented at the restriction sites, resulting in two fragments.
Looking at the given DNA sequence, we can identify the occurrence of the BamHI recognition site, which is 5'-GGATCC-3'. The recognition site is located within the sequence, specifically between the 12th and 13th nucleotides. BamHI cleaves the DNA at the recognition site, generating two DNA fragments.
Fragment 1:
The first fragment is the portion of DNA located upstream of the BamHI recognition site. In this case, the 5'-GAGACCGGATCC-3' sequence is cleaved at the recognition site, resulting in the following fragment:
5'-GAGACCGG-3'
Fragment 2:
The second fragment is the portion of DNA located downstream of the BamHI recognition site. In this case, the 5'-GGATCCACCGGC-3' sequence is cleaved at the recognition site, resulting in the following fragment:
5'-ACCGGC-3'
Therefore, when the given DNA sequence is exposed to BamHI, it will be fragmented into two fragments:
Fragment 1: 5'-GAGACCGG-3'
Fragment 2: 5'-ACCGGC-3'
These fragments can then be used in various molecular biology techniques, such as DNA sequencing or cloning, to study or manipulate specific regions of the DNA sequence.
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the author of the story the yellow wallpaper
Answers
Hope it helps yu
Which type of cell is found in plants and animals? *
Amniotic
Eukaryotic
Ketonic
Prokaryotic
Answers
Answer:
Eukaryotic
Explanation:
This is the answer because:
Both plant and animal cells are eukaryotic cells, therefore, they contain membrane-bound organelles. For example, the nucleus, mitochondria, reticulum, golgi apparatus, and lysosomes.
Hope this helps!
Answer:
Eukaryotic
Explanation:
just did on flvs\
All oil wells are drilled with a , a tool which bites into the rock and progressively deepens the hole. 6. The rock particles created by the drill bit are removed from the borehole and carried to the surface by the 7. What does the term spud in mean? 8. into the hole to keep the well walls from caving in. 9. wells determine the size and productive capacity of the oil reservoir. 10. The high temperature on the drill bit by the bit biting into rock was reduced by pumping through the bit.
Answers
The answers to the given questions are as follows:
All oil wells are drilled with the tool called a "drill bit."The rock particles created by the drill bit are removed by the "drilling mud" or "drilling fluid."The term "spud in" refers to the initial drilling of a well. The casing is inserted into the hole to keep the well walls from caving in.To reduce the high temperature on the drill bit caused by the bit biting into the rock, a process called "cooling" is employed.The procedure used to build a well and bore tubes through the Earth's surface is known as oil drilling. The tube is attached to a pump, which forcibly removes the petroleum from underground.
Because oil and natural gas are found far below the earth's surface, drilling is a difficult procedure. To access fossil fuel resources, a hole must be drilled through the crust of the planet. After that, the oil must be safely pumped out of the oil well.
Steps of Oil Drilling:
The first step in oil drilling is to drill a hole through the crust of the earth. It requires a drill string and a long bit. A "drill bit" is the instrument used in oil wells to bite into the rock and gradually deepen the hole.A tiny diameter steel pipe is placed after drilling a hole, and the spaces surrounding it are filled with cement. This helps to keep the steel casing stable.In order to lubricate the spinning bit and clear the path of the shattered rocks, the drillers fill the hole with a mixture of solids, liquids, and chemicals, sometimes referred to as "mud," throughout the drilling operation. As the drill bit goes further, more pipes must be added to the drill string. To prevent the pipe connections from separating in the well, screws must be used.Learn more about Oil Drilling from the given link:
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Ionic bonds are formed between _____ and involved the ____ of ions
Answers
Answer:
An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.
:
pls help me with this question too
Answers
Answer:
(D)600
Explanation:
u approximate it
For children who do not have galactosemia, what are their possible genotypes for this trait?
a pedigree chart for the inherited genetic condition galactosemia
heterozygous
homozygous dominant
homozygous recessive
no inheritance for this trait
Answers
Answer:
The correct answers are "heterozygous", and "homozygous dominant".
Explanation:
Galactosemia is a condition where people are not able to process the sugar galactose. People with this condition have one gene mutated, which does not allow the proper synthesis of the enzyme that breaks down galactose. Galactosemia is inherited as an autosomal recessive genetic condition, therefore, only children that are homozygous recessive develop the condition. Children that are heterozygous or homozygous dominant, will not develop galactosemia.
Answer:
its heterozygous and homozygous dominant
Explanation:
The fruit of the mistletoe, a parasitic angiosperm, is a one-seeded berry. In members of the genus Viscum, the outside of the seed is viscous (sticky), which permits the seed to adhere to surfaces such as the branches of host plants or the beaks of birds. What should be expected of the fruit if the viscosity of Viscum seeds is primarily an adaptation for dispersal rather than an adaptation for infecting host plant tissues
Answers
Answer:
We should expect that the fruits should grow in population and spread more easily.
Explanation:
Like the relationship between bamboo and pandas, the relationship between the seeds and the beaks of birds should allow the seeds to spread to other areas more easily that would otherwise be a very gradual process if the seeds did not evolve its viscous ability.
true or false :plant produce other macromolecules like proteins and lipids along with carbohydrates durring photosynthesis
Answers
Answer:
True
Explanation:
Not only carbohydrates, as was once thought, but also amino acids, proteins, lipids (or fats), pigments, and other organic components of green tissues are synthesized during photosynthesis.
How can a cell increase surface area without increasing the volume?
Answers
Cells can increase their surface area by folding the plasma membrane. Total cell surface area should increase when a cell divides into two daughter cells.
There are two illustration of membrane supply that support cell division:
(1) unfolding of small surface membrane reservoirs such as microvilli and folds, and (2) exocytosis of intracellular vesicles.
As the cell radius increases, the surface area increases as the radius squared, but the volume increases as the radius cubed (much faster).
Increasing the surface area of the cell increases the amount of material that diffuses into the cell. As volume and surface area increase, volume increases more rapidly, so for every doubling of cell volume, the surface area available for uptake is halved.
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You are told to cut an animal Along two planes so that the paired kidneys are observed in both sections. The two sections that meet this requirement are the?
Answers
Answer: transverse and frontal sections
Explanation:
Based on the information that were provided in the question, we should note that the two sections that meet this requirement are the transverse and frontal sections.
We should note that the transversal plane simply cuts the body into two parts which are the upper part and the lower body parts.
Please help me!!!!!!!
Answers
Answer:
13) convergent
14)divergent
15)fault
Explanation:
When the ventricles contract, blood is pumped______
a. out of the heart
b. into the heart
c. through the septum
d. into veins
Answers
that should be the answer but if i’m wrong i’m so sorry
explain metabolism as attribute of Living Organism
Answers
Answer:
Metabolism involves exchanges of chemical matter with the external environment and extensive transformations of organic matter within the cells of a living organism. Metabolism generally involves the release or use of chemical energy. Nonliving things do not display metabolism.
Explanation:
Brainleast please
16. Describe the process of dune formation and colonization by plants: Name some of the plant species we would expect to see from those closest to the beaches & as we moved through the dunes on a barrier island on the Georgia Coast, and indicate where they would be found (which of the portion of the successional stages? You need at least 3 different portions of the dune community/stages of dune formation and 1-2 plants per area/subcommunity) What type of succession is this?
Answers
Dunes form from sediment deposition on the beach in response to wind and ocean currents. When sand grains are transported by the wind, they settle on the leeward slope and accumulate over time to form dunes. Dunes start as embryonic foredunes and develop into mature and stabilized sand dunes as a result of plant colonization.
The formation of dunes is a result of a process called dune building. Sand dunes on barrier islands are formed in successive stages. The first stage is the embryonic stage where the sand dunes begin to form. The second stage is the foredune stage where sand dunes form close to the beach. The third stage is the backdune stage where sand dunes are farther from the beach and the vegetation has grown more.
The last stage is the climax stage where the sand dunes have reached their final height and the vegetation is at its fullest. There are various plant species that can be seen as one moves through the dunes on a barrier island on the Georgia Coast. These include: Beach morning glory (Ipomoea pes-caprae) on the foredune in the embryonic stageSea oats (Uniola paniculata) and sea rocket (Cakile edentula) on the foredune in the foredune stageSouthern live oak (Quercus virginiana), yaupon holly (Ilex vomitoria), and American beachgrass (Ammophila breviligulata) in the backdune in the backdune stage Saltmeadow cordgrass (Spartina patens) and marsh elder (Iva frutescens) in the climax dunes in the climax stage.
This type of succession is known as primary succession, which is the development of plant communities in areas that have not previously supported life.
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Which is the most common source of energy used by towns and cities today?
Answers
Answer:
Burnable fuels
Explanation:
1. K+ what’s the ion
Answers
Answer:
potassium
Explanation:
scientific name is kalium
Which process turns glucose into energy?
Breathing
Cell division
Cellular respiration
Photosynthesis
Answers
Answer:
cellular respiration
Explanation:
Which condition is necessary for a mold fossil to form?
The fossil must be preserved in amber.
Minerals must replace the remains.
The mold must be filled with sediment.
Hard parts of the organism must dissolve.
Answers
Answer: The answer is Hard parts of the organism must dissolve
Explanation:
Which of the following statements about eukaryotic cells is NOT true
Answers
Answer:
Eukaryotic cell wall is made up of cellulose hemicellulose, pectin chitin etc. Thus, is not true for eukaryotic cell.
Explanation:
did i help or not :) :(