Antibiotic resistant bacteria are more fit for an environment where antibiotics are used frequently.
The ability to resist antibiotics may cause bacteria to be less fit in other environments where antibiotics are not present.Bacteria that are sensitive to antibiotics have a reproductive advantage in all environments.These different types of evolution includes are divergent, coevolution, parallel evolution, and convergent evolution.MRSA is one of the most common antibiotic resistant bacteria.Symptoms of MRSA infection often begin as small red bumps on the skin that can progress to deep, painful abscesses or boils, which are pus filled masses under the skin.Non resistant bacteria multiply, and upon drug treatment, the bacteria die. Drug resistant bacteria multiply as well, but upon drug treatment, the bacteria continue to spread.
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What is the chemical formula of magnesium bromide?
Answer:
MgBr2
Explanation:
Calvin was chased and assaulted by an aggressive rooster when he was just barely three years old. As an adult he still won’t go near or even be around a rooster and he even gets a little anxious when he hears the word rooster. He also claims that all birds make him nervous. In this example, what is the conditioned stimulus?.
In the example shown, rooster is the conditioned stimulus, because it can trigger a conditioned response.
A stimulation that eventually causes a conditioned reaction is known as a conditioned stimulus. The ringing of the bell served as the conditioned stimulus in the experiment reported, while salivation served as the conditioned response. Remember that the neutral stimulus changes into the conditioned stimulus.
A neutral cue or event that frequently pairs with an unconditioned stimulus that naturally induces a behavior results in a conditioned stimulus, which is a neutral cue or event that causes an automatic reaction. This phrase has its roots in the classical conditioning method of learning.
Therefore, in the example shown, rooster is the conditioned stimulus, because it can trigger a conditioned response.
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Every DNA sequence consists of four nucleotides: Adenine, Thymine, Cytosine, and Guanine, referred to by the first letters of their chemical names (A, T, C, and G).
a. True
b. False
The given statement "Every DNA sequence will consists of four nucleotides; Adenine, Thymine, Cytosine, as well as Guanine" is true. Because, these nucleotides are the building blocks of DNA and are responsible for encoding genetic information. Option A is correct.
DNA sequences are composed of four nucleotides: Adenine (A), Thymine (T), Cytosine (C), and Guanine (G). These nucleotides are the building blocks of DNA and are responsible for encoding genetic information. The specific arrangement and order of these nucleotides form the basis of the genetic code.
By combining these four nucleotides in different sequences, DNA can store and transmit the instructions necessary for the development, functioning, and reproduction of all living organisms. The A, T, C, and G nucleotides are universally recognized and represent the fundamental units of genetic information in DNA.
Hence, A. is the correct option.
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The diagram below shows the branching tree diagram for humans. The text box below it shows the set of derived shared characteristics for the branching tree.
A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right as 1, 2, 3, 4, and 5. There is one vertical line between each of the consecutive five dots. The lines are labeled from left to right as Perch, Frog, Pigeon, Rats, and Human. A text box below the branching tree diagram is labeled Derived Shared Characteristics. In the box it says from left to right, Terrestrial during all stages, Jaws, Walking on two legs, Mammary glands and hair, and Four limbs.
Look at the possible derived shared characteristics, shown in the text box. Think about where these should be placed along the branching tree diagram. Where in the branching tree would you most likely write "lives on land during all life stages"? Explain your answer. (7 points)
The branching tree model predicts that Jaws would be somewhere between points 1 and 2. As a result, the development of the perch, frog, pigeon, and other species would have occurred after the common ancestor and before the derived shared trait of jaws.
How did the structure of the teeth of our ancestors change over time?The development of jaws in the bodies of our ancestors was a critical phase in the evolution of vertebrates, including humans. The earliest jawed vertebrates, called gnathostomes, descended from jawless fish and appeared in the fossil record around 420 million years ago.
By evolving new feeding strategies like biting and chewing, early jawed vertebrates were able to vary their diets and expand the range of habitats they could inhabit. They were also able to grow more complex teeth as a result of this development, which further increased their ability to eat a variety of foods.
Hence, Jaws would most likely be situated between points 1 and 2 in accordance with the branching tree paradigm.
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Complete question -
The diagram below shows the branching tree diagram for humans. The text box below it shows the set of derived shared characteristics for the branching tree.
A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right as 1, 2, 3, 4, and 5. There is one vertical line between each of the consecutive five dots. The lines are labeled from left to right as Perch, Frog, Pigeon, Rats, and Human. A text box below the branching tree diagram is labeled Derived Shared Characteristics. In the box it says from left to right, Terrestrial during all stages, Jaws, Walking on two legs, Mammary glands and hair, and Four limbs.
Look at the possible derived shared characteristics, shown in the text box. Think about where these should be placed along the branching tree diagram. Where in the branching tree would you most likely write "lives on land during all life stages"? Explain your answer. (7 points)
In terms of making biofuel, which farm crop would result in the largest amount of oil produced per acre of crop? Select one: a. Algae b. Corn Oil c. Corn d. Soybeans
Option A: In terms of making biofuel, the farm crop that would typically result in the largest amount of oil produced per acre of crop is Algae.
Algae are known for their high oil content, which can be extracted and converted into biofuel. Algae have a fast growth rate and high oil productivity, making them an attractive option for biofuel production. They can be grown in large quantities in relatively small areas, such as ponds or bioreactors, maximizing the oil yield per acre.
However, compared to algae, the oil content and yield per acre in other crops mentioned here are generally lower. Corn and soybeans are typically cultivated for their primary agricultural uses, such as food crops or animal feed, rather than as dedicated oil crops.
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write a letter to your pen-pal telling him or her how independence day is celebrated in your country
Dear Pen-Pal,
We haven't wrote to each other in a long time, how are you doing, whats independence day like in your country? Well, where I live ( and you can explain all the the things you celebrate and why you celebrate them. You can also tell your pen-pal your favorite and least favorite tradition!)
- Until next time, your pen-pal!
Bladder wrack grows more quickly than saw wrack.
Suggest an explanation why.
Answer: The bladders hold lots of air.
2. Why does a warm climate support high biodiversity?
Otropical environments are more seasonal and less constant and predictable which leads to greater species richness
Otropical environments are seasonal with many changes which leads to greater species richness
Otropical environments are rainy and cool which leads to greater species richness
Otropical environments are less seasonal and more constant and predictable which leads to greater species richness
Answer: I think it may be D
tropical environments are less seasonal and more constant and predictable which leads to greater species richness
Explanation: The other ones wouldn't make sense for a tropical environment
In order to see a recessive trait in an organism's phenotype, what must be the organism's genotype?
Answer:
The organism must have two recessive alleles of the same type. Recessive alleles are usually represented by a lower case letter.
Examples:
rr, hh, bb, aa
Explanation:
Fasttttttttttttttttttttttttttttttt 15 points
Answer:
Oi, sou br sou br sou br
ESPERO TER AJUDADO VC
A ________ is a pictorial representation of a family history that outlines the inheritance of specific characteristics.
A pedigree is a graphical representation of a family tree that details the inheritance of specific traits.
Pedigrees are commonly used in genetics to study the transmission of traits or diseases within families across generations. Each symbol in a pedigree represents a family member, and the patterns of inheritance can be traced through the connections between the symbols.
In a typical pedigree, circles represent females and squares represent males. Parents are connected by a horizontal line, and their children are placed below them. Inheritance patterns can be shown using different symbols, such as shading or patterns within the symbols, or through the use of labels such as affected or unaffected.
Pedigrees can be used to analyze the inheritance of genetic traits, such as eye color, blood type, or genetic disorders. They can also be used to study complex diseases that involve multiple genetic and environmental factors.
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The reabsorption of sodium under the influence of aldosterone occurs primarily in the __________.
The reabsorption of sodium under the influence of aldosterone occurs primarily in the distal convoluted tubule.
What is aldosterone?The predominant mineralocorticoid steroid hormone produced by the adrenal cortex's zona glomerulosa is aldosterone. It is necessary for the kidney, salivary glands, sweat glands, and colon to save sodium. It is crucial to the homeostatic control of blood pressure, plasma sodium (Na+), and potassium (K+) concentrations. Acting largely on the mineralocorticoid receptors in the distal tubules and collecting ducts of the nephron, it accomplishes this.
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How did schools in the South respond to the ruling that they needed to integrate?
They refused or sometimes even closed schools instead of integrating
They quickly integrated Black and White schools
White students welcomed Black students with open arms
Southern governors enforced the Supreme Court's ruling
Answer: They refused or sometimes even closed schools instead of integrating
I have a test tomorrow for Biology about Cellular respiration, ATP, and photosyntheis. We are allowed to have a "study guide" that is a note card sized can yall please help me make one?
Sure, here's a condensed study guide for cellular respiration, ATP, and photosynthesis:
Cellular respiration:Process by which cells break down glucose and other organic molecules to produce energy (ATP) and release carbon dioxide and water as waste products.
Consists of three stages: glycolysis, the Krebs cycle, and the electron transport chain.
Glycolysis occurs in the cytoplasm and generates a small amount of ATP and NADH.
The Krebs cycle takes place in the mitochondria and produces more ATP, NADH, and FADH2.
The electron transport chain occurs in the mitochondria and generates the most ATP through oxidative phosphorylation.
ATP:Adenosine triphosphate (ATP) is the energy currency of cells.
Consists of adenosine and three phosphate groups.
Energy is released when the last phosphate group is removed, forming adenosine diphosphate (ADP).
ATP is regenerated by adding a phosphate group back to ADP through phosphorylation.
Photosynthesis:Process by which plants and other organisms convert light energy into chemical energy (glucose).
Occurs in chloroplasts and consists of two stages: the light-dependent reactions and the light-independent reactions (Calvin cycle).
Light-dependent reactions occur in the thylakoid membrane and generate ATP and NADPH.
Light-independent reactions occur in the stroma and use ATP and NADPH to fix carbon dioxide into glucose.
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Which statement describes the blood type of a person with the alleles ii?
Answer:
I think this is the answer
Explanation:
It is a type ab because I and I are codominant
Answer:
B
Explanation:
The zone of inhibition is used as part of the Kirby Bauer test is critical for determination of the sensitivity or resistance to antibiotics. But why doesn’t the antibiotic just keep diffusing and inhibit growth all over the plate? More specifically, what is going on at the edge of the zones? Why do cells grow on one side of the zone, but not the other?
The zone of inhibition in the Kirby-Bauer test represents the area where bacterial growth is prevented due to the presence of antibiotics. The antibiotic does not keep diffusing and inhibits growth all over the plate because the concentration of the antibiotic decreases as it moves away from the antibiotic-impregnated disk. At the edge of the zones, the concentration of the antibiotic reaches a critical point where it is no longer effective in inhibiting bacterial growth. This allows cells to grow on one side of the zone where the antibiotic concentration is below the effective level, while growth is inhibited on the other side where the concentration is still sufficient to prevent bacterial proliferation.
The zone of inhibition is the area around an antibiotic disc in which the growth of bacteria is inhibited. The size of the zone is indicative of the sensitivity or resistance of the bacteria to the antibiotic. The reason why the antibiotic does not keep diffusing and inhibit growth all over the plate is due to the concentration gradient of the antibiotic.At the edge of the zone, the concentration of the antibiotic is lower than in the center. As a result, the bacteria on the edge of the zone may be less affected by the antibiotic and can continue to grow. Additionally, the type of bacteria and their growth rate can also affect the appearance of the zone of inhibition. Some bacteria can grow faster than others and can therefore outgrow the zone. This variation in antibiotic concentration results in bacterial growth on the side with a lower concentration and no bacterial growth on the side with a higher concentration.Know more about the Kirby-Bauer test here
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Question 12
Please place the steps of primary succession in order from from first (top) to last (bottom).
Reorder answers
1. Exposed bare rock due to volcanic eruption or glacier
2. Pioneer species arrives (like lichen)
3. Deciduous tree move in
4. Small plants start to grow
5. Evergreen trees start growing
6. Soil starts forming and mosses begin growing
Answer:
Here are the steps of primary succession in the correct order:
Exposed bare rock due to volcanic eruption or glacier
Pioneer species arrives (like lichen)
Small plants start to grow
Soil starts forming and mosses begin growing
Deciduous trees move in
Evergreen trees start growing
Assume a gene drive to eradicate invasive pigs is successful. What would most
likely happen?
A Every species in the ecosystem would increase.
B Food sources of the invasive pigs would increase.
C Every pig population all over the world would disappear.
D The invasive pigs will leave the area and find another ecosystem.
Assuming a gene drive to eradicate invasive pigs is successful, the most likely outcome would be that the invasive pig population in the ecosystem would be eliminated.
This could have a positive impact on the ecosystem as the pigs may be competing with native species for resources, damaging habitats, and disrupting food webs. However, it is also possible that there could be unintended consequences such as changes in predator-prey dynamics or shifts in plant communities that were previously affected by the invasive pigs. It is unlikely that every pig population all over the world would disappear as the gene drive would only be targeting a specific invasive population in a particular area. Additionally, the food sources of the invasive pigs would not necessarily increase, as the elimination of the pigs could potentially have a positive impact on the growth and survival of other organisms in the ecosystem. Finally, the invasive pigs would not leave the area and find another ecosystem if the gene drive is successful in eradicating them.
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Which two processes cause sand particles to form sandstone?
Answer:
cementation
compaction
Explanation:
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Cystic fibrosis (CF) is a progressive genetic disease that causes persistent lung infections and affects the ability to breathe. CF is inherited in an autosomal recessive manner, caused by the presence of mutations in both copies of the gene for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. Partial nucleotide sequences and the corresponding amino acid sequences for an unaffected individual and an affected individual are modeled in Figure 1. Based on the information in Figure 1, which type of mutation explains the nature of the change in DNA that resulted in cystic fibrosis in the affected individual?
The mutation that causes cystic fibrosis is a deletion of three nucleotides in the CFTR gene, which results in the loss of a single amino acid (phenylalanine) in the CFTR protein.
Cystic fibrosis is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. This mutation is known as delta-F508 and is found in approximately 70% of individuals with cystic fibrosis. Other types of mutations that can cause cystic fibrosis include point mutations, insertions, deletions, and splice-site mutations, among others.
These mutations can result in a variety of changes in the CFTR protein, such as a truncated protein, a protein that is not properly folded or trafficked to the cell surface, or a protein that is completely non-functional. Determining the specific mutation that causes cystic fibrosis in an individual requires genetic testing and analysis of the CFTR gene.
Therefore, The mutation that causes cystic fibrosis is a deletion of three nucleotides in the CFTR gene.
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As a result of rising temperatures, what changes could someone most likely predict about future generations of polar bears?
They will grow thicker, warmer coats.
They will grow thinner, darker fur.
They will lose their ability to swim.
They will become herbivores.
Answer:
They will grow thinner, darker fur.
Explanation:
This is because as temperatures rise, the Arctic sea ice melts, which makes it more difficult for polar bears to hunt their main prey, seals. As a result, they are likely to experience food shortages, which can lead to malnutrition and weight loss, resulting in thinner bodies. Additionally, as the sea ice melts, polar bears are forced to swim longer distances, which can also lead to increased energy expenditure and further weight loss. Therefore, it is unlikely that polar bears will grow thicker, warmer coats in response to rising temperatures.
FOR THE LOVE OF DIRT HELP!! WILL GIVE BRAINLIEST!!!!
Genetic testing for the purposes of determining ancestry has increased dramatically over the past five years. This has also increased the DNA databases that hold and control this genetic commodity. Recently, a cold case was solved by genetically linking the suspect to a distant cousin through one of these DNA databases.
A) Explain the social and ethical issues raised by using DNA, donated for the purposes of ancestry information, as evidence to solve crimes.
Answer:
First of all, scientists are sending off our DNA to other secrect agencys to study, so they can learn about our DNA and break it down. Killing humans, espically African Americans. They put these chemicals in commonly used products like lotion, wax, and medicine. So what makes people think they have the right to use it as evidence to solve crimes? WE CAN'T EVEN TRUST THEM ON THE REGULAR.
Explanation:
If you look this up on the internet, obviously it won't be there because they are trying to get paid. Hope this helps! :)
Answer:
Scientists use restriction enzymes for many purposes. In the field of forensic science, they are used to cleave and analyze DNA structure to identify an individual suspected of a crime. Restriction enzymes digest DNA by cutting the molecule at specific locations called restriction sites. These sites consist of a four- to 10-nucleotide base pair (bp) called a palindrome — a sequence of DNA nucleotides that reads the same from either direction. Restriction enzymes cut DNA strands between two bases within this palindrome. A cut exactly in the center of the restriction site can create blunt ends. Cuts in other locations within the palindrome can create a single-stranded overhanging piece or “sticky” end of unpaired nucleotides.
The _____ of the respiratory system consists of a series of interconnecting cavities and tubes both outside and within the lungs that filter, warm, and moisten air and conduct air into the lungs.
The conducting zone of the respiratory system is a series of interconnected cavities and tubes outside and inside the lungs that filter, warm, humidify, and direct air to the lungs.
The respiratory system functionally he can be divided into two zones. The conducting zone (nose to bronchioles) provides the conduction pathway for inspired gases and the respiratory zone (alveolar ducts to alveoli) where gas exchange takes place.
The conducting zone consists of all structures that allow airways to enter and exit the lungs.
Nasal cavity, pharynx, trachea, bronchi, and most bronchioli. The conducting zone, which includes everything from the nose to the smallest bronchiole, allows air to enter and exit the lungs. The respiratory zone includes respiratory bronchioles and alveoli, which move breathing gases, oxygen and carbon dioxide, into and out of the blood.
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I have a question that looks like this
Tacgcgttcgctggtcaagtgcagcacgccttccatgcaggtcaaaattttttcatagaaaaaacccagatc
I don’t understand how to decode it can someone help?
Answer:it is a sequence of Nucleotides of a DNA molecule
Explanation:
each three nucleotides encods an amino acid and is called a coden, the association of an amino acids gives a protein which are responsible for a function in the body. this sequence means a group of an amino acids: ttc means lysine/this just like an example to understand how to encodes this sequence,also, it has 27 amino acids try to encodes its like this way and using the table of code geneticsHow are temperature and carbon dioxide detectors useful in detecting concealed animals?
Answer: answer below ⬇
hope this helps ya out # blueberrysugar
2. what is the name of the rounded ball at the proximal end of the humerus?
Answer:
the head of the humrus is the ans
HELP ME PLZZ I NEED HELP WITH THIS ASAP!
Answer:
to remove waste and excess fluids so its A
Explanation:
how the exposure to penicillin affects the survival of some bacteria in the population
Answer:
When exposed to penicillin, the frequency of resistant bacteria will increase as those that are resistant survive and reproduce. — The resistant bacteria will survive and they will produce offspring that are resistant
Explanation:
pls mark brainliest
6. The melting point of iodine is 114°C and the boiling point is 183°C. What state will Iodine be at each of these temperatures:
70°C –
210°C –
185°C –
127°C –
0°C –
Answer:
When an element is at a temperature that is higher than it's boiling point, it will be in gaseous form as it would have evaporated.
When the element at a temperature that is lower than it's melting point however, it would be in solid form as it would not have melted from it solid state yet.
70°C – Solid
Lower than melting point.
210°C – Gas
Higher than boiling point.
185°C – Gas
Higher than boiling point.
127°C – Liquid
Above it's melting point but below it's boiling point. It is a liquid at this point because it has melted but has not evaporated.
0°C – Solid
Lower than melting point.
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Answer:
wow that's a big problem and that must be really confusing!!!