Before the widespread use of antibiotics, there were very low levels of antibacterial resistance. As antibiotic use has grown, so has the number of antibiotic resistant bacteria. WHY do you think this has occurred?​

Answers

Answer 1

Answer:

This is because antibiotic resistance can be caused by bacteria getting the ability to be unaffected by the antibiotics Also, people not taking their medication for the entire duration exposes the bacteria to the antibiotic and makes it stronger. Also, when people overuse antibiotics and mutations occur, the bacteria becomes antibiotic resistant.


Related Questions

If the statement is true, write true. If the statement is false, change the underlined word
or words to make the statement true.
1. At the freezing point, the particles in an object have no kinetic
energy.
2. On the Celsius temperature scale, there are no negative
numbers.
3. The more particles an object has at a given temperature, the
more thermal energy it has.
4. Object A is much larger than Object B, but both are made of
the same material. If both objects are at the same temperature, the thermal energy
of Object A is the same as the thermal energy of Object B.
5. When heat is absorbed by an object, the speed of the particles
in the object is unchanged.

Answers

Answer:

true

Explanation:

False. At the freezing point, the particles in an object have some kinetic energy.

False. On the Celsius temperature scale, there are negative numbers.

True. The more particles an object has at a given temperature, the more thermal energy it has.

False. Object A is much larger than Object B, but both are made of the same material. If both objects are at the same temperature, the thermal energy of Object A is not the same as the thermal energy of Object B.

False. When heat is absorbed by an object, the speed of the particles in the object is changed.

Explanation:

The temperature is defined as the measure of hotness and coldness.It is measured in terms of degrees Celsius, Kelvins, degrees Fahrenheit.There are negative numbers on the Celsius temperature scale and Fahrenheits temperature scale but not on the Kelvin temperature scale.It is a measure of the average kinetic energy of the particles of the object.The hotter the object, the higher will be the kinetic energy of the particles of the object,  higher will be the value of temperature. The colder the object, the lower will be the kinetic energy of the particles of the object, lower will be the value of temperature.The object with more mass will have more particles and more will be the kinetic energy associated with the particles.When heat is added to an object to raise its temperature the kinetic energy of the particles increases. As kinetic energy is directly linked with speed or velocity.

So from this, we can conclude that :

At the freezing point, the particles in an object have some kinetic energy.

On the Celsius temperature scale, there are negative numbers.

The more particles an object has at a given temperature, the more thermal energy it has.

Object A is much larger than Object B, but both are made of the same material. If both objects are at the same temperature, the thermal energy of Object A is not the same as the thermal energy of Object B.

When heat is absorbed by an object, the speed of the particles in the object is changed.

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Which is a feature of a cladogram?

A The characteristics must be shared among the organisms.
B The characteristics must be different among the organisms.
C It must contain at least three different shared characteristics.
D It must contain at least three different groups of organisms.

Answers

Answer:

C

Explanation:

How does nitrogen get from the atmosphere to the biosphere?

Answers

Answer:

In atmosphere and biosphere: Nitrogen is about 78% of the gases in the atmosphere an it’s a essetial component of the living organisms. It enters plants throught the microorganisms that convert this nitrogen into ammonia. After this conversion, the plants absorb this substance. It can pass to animals when they eat these plants.

Explanation:

I HOPE ITS HELP YOU:)

Gene expression is influenced by many factors. Which of the following is a factor in gene
expression?

Answers

Answer:

Answer: The Environment.

Environmental factors, such as diet, medicines, or exposure to toxins, can change how genes are expressed.

What are factors affecting gene expression?

Gene expression is the process through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes.

Expressivity can be impacted by a number of elements, such as genetic make-up, exposure to dangerous substances, other environmental effects, and age. Penetrance and expressivity both have a range: People who carry the gene may or may not exhibit the trait, and when they do, the trait's expression can take many different forms.

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Can u judge who is the better person out of these 3?..

Mr A - He had friendship with bad politicians, consults astrologers, two wives, chain smoker, drinks eight to 10 times a day..

Mr B - He was kicked out of office twice, sleeps till noon, used opium in college & drinks whiskey every evening..

Mr C - He is a decorated war hero, a vegetarian, doesn't smoke, doesn't drink and never cheated on his wife..

You would say Mr.C

right?

Come here to ans Id-841 823 2122 PASS-ROKY ​

Answers

Answer:

 

WHat??????????????????

Answer:

Omo...

Is there a plot twist???  \(OoO )/

Explanation:

What best explains why there's fewer secondary consumers than producers?

Answers

Answer:

because of inefficiency

Explanation:

The organisms that eat the primary consumers are meat eaters (carnivores) and are called the secondary consumers. ... Because of this inefficiency, there is only enough food for a few top level consumers, but there is lots of food for herbivores lower down on the food chain. There are fewer consumers than producers.

Some dairy farmers want to increase the amount of milk produced by their cows. How can the farmers use selective breeding to increase milk production?

Answers

Answer:

By choosing cows that are high milk producers

Explanation:

Answer:  By choosing cows that are high milk producers

Explanation:

To stop a wound from bleeding, platelets in the blood clump together to form a blood clot. The clot dries into a hard scab to protect the wounded area. Underneath the scab, the blood supplies nutrients and oxygen that help new skin cells form. As the skin regenerates, the wound closes.

Which body systems interact with the integumentary system to close the wound?

A. Circulatory and reproductive

B. Immune and circulatory

C. Reproductive and immune

D. Digestive and endocrine

Answers

The answer should be B, immune system helps fight infections and bad bacteria. Circulatory helps carry these cells to the wound to help close it or fight infection/ bacteria.

B. Immune and circulatory systems interact with the integumentary system to close the wound.

What is integumentary system?

The integumentary system is the body system that protects the body from damage and disease, and helps regulate body temperature. It includes the skin, hair, nails, and sweat and oil glands.

The skin is the largest organ of the body and serves as a barrier against physical, chemical, and biological agents. Hair and nails provide protection and support, while sweat and oil glands help regulate body temperature and moisturize the skin. Additionally, the integumentary system plays a role in regulating the body's water balance, storing vitamins, and sensing touch and temperature.

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Help please! I’ll cashapp if I have too

Answers

The answer is Hypothesis

the greek root geo means​

Answers

Answer:geo. earth, ground.

Explanation:

HELPPP WHAT ARE Three ways nitrogen can be fixed or transformed for animals and plants to use

Answers

Answer:

Thus, nitrogen undergoes many different transformations in the ecosystem, changing from one form to another as organisms use it for growth and, in some cases, energy. The major transformations of nitrogen are nitrogen fixation, nitrification, denitrification, anammox, and ammonification

Explanation:

Hope this helps

does anyone know im trying to answer this but im not sure

Answers

i think your answer is D

bone becomes moist when kept in dilute hydrochloric acid, why? ​

Answers

Answer:

bone. when a bone is dipped into hcl medium, the calcium of bone slowly starts to dissolve due to action of strong acid

Explanation:

Pls Help!!! will give Brainliest!!!!!!!!!!!!!

Answers

Answer:

Example: Grass(producer)--->Grasshopper(Primary)---->blue bird(Secondary consumer)--->Rattlesnake(Teritary)

Example 2:Oak Tree leaves(Producer)--->caterpillar(primary producer)---->Treecreeper(Secondary)---->Hawk(Teritary)

Example 3:Grass(producer)--->Grasshopper(Primary)(again lol)--->Frog(Secondary)--->Snake(Teritary)

(Note:I hope this helps because I learn this food chain in my biology class ^^)

why is recombination important to evolution

Answers

Hope this helps you

The allele for red feathers (R) is dominant and the allele for brown feathers (r) is recessive. If the following cross occurs, what are the possible genotypes and phenotypes possible and what is the probability of each occurring?

Answers

Answer:

Genotype: Rr

Phenotype: Red feather

probability: RR: 0%, Rr: 100%, rr: 0%

Explanation:

Punnet Square:

    R      R

r.  Rr.    Rr

r   Rr     Rr

is Portland cement a mineral?​

Answers

Answer:

no

Explanation:

Answer. no

Answer. no

explanation

Many chemicals are used to kill insects and protect plants how could the removal of insects upset the balance of the ecosystem

Answers

Answer:

Animals that eat the insects would die as well.

Explanation:

"hope this helps you"

The bacteria in the example evolved because of...
gene flow
genetic drift
natural selection

Answers

Answer:

natural selection

Explanation: that is the only thing that does cause evolution

The bacteria evolved because of natural selection, developing antibiotic resistance, hence option C is correct.

How bacteria develops natural selection?

Natural selection is stated as a process by which the organism has the ability to survive to the fittest. Bacteria have been found to develop antibiotic-resistance genes in it making them, resistant to antibiotics.

Natural selection phenomena in bacteria happen when it develops antibiotic-resistance feature in their cells. When bacteria are exposed to the antibiotic, those who are susceptible to this eventually die, but having resistance to this they survive.

Gene flow, genetic drift, and natural selection both contribute to evolution, this refers to the genetic composition over time.

Therefore, option C is correct.

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Mary has 600 grams of blueberries, 450 grams of strawberries, and 525 grams of blackberries. What is the total weight of the fruit in kilograms?

Answers

Answer:

525

Explanation:

f 1/5 of the remaining blueberries are used to make ...

Missing: 525 ‎| Must include: 525

Answer:

1.575

Explanation:

When are genes in dna expressed?

Answers

when genes produces protein in a cell.

Which of the following is a product of the Krebs cycle?
water
alcohol
carbon dioxide
glucose

Answers

Answer:

The answer is #3- Carbon Dioxide

Explanation:

The Krebs Cycle is a series of reactions that produces two carbon dioxide molecules, one GTP/ATP, and reduced forms of NADH and FADH2.

Answer:

carbon dioxide

Explanation:

https://quizlet.com/193523001/cellular-respiration-krebs-cycle-flash-cards/

Photosynthesis can be modeled by its overall chemical reaction. Which two substances are the products, or outputs, of this reaction?

Answers

Answer:

glucose and oxygen

Explanation:

1. What two reactants enter the mitochondrion?
2. Compare the reactions in mitochondria with glycolysis.
1. How does a cell obtain energy?
2. Under what conditions does fermentation occur in a cell?
3. If a cell could perform both cellular respiration and fermentation, which process would benefit the cell more?

Answers

Answer:

1.NADPH2 and FADH2 , and O2

Explanation:

NADPH2 and FADH2 get oxidized in the electro transport chain into NADP+ and FAD+ and water and oxygen and yield 3 ATP molecules and 2 ATP molecules per each molecule respectively

Following are the answers:

The two reactants that enter the mitochondrion are pyruvate, the end product of glycolysis, and oxygen.In the mitochondria, pyruvate and oxygen undergo a series of reactions called cellular respiration, which produces energy in the form of ATP. This process is more efficient than glycolysis, which only produces a small amount of ATP.A cell obtains energy through a variety of processes, including cellular respiration and fermentation.Fermentation occurs in a cell when there is a lack of oxygen, such as in anaerobic conditions.In general, cellular respiration is more efficient than fermentation in producing ATP, but fermentation is a useful process for cells to produce ATP when oxygen is not available.

What is mitochondria?

Mitochondria are organelles found in the cells of most eukaryotic organisms, including plants, animals, and fungi. They are often referred to as the "powerhouses" of the cell because they are responsible for producing the majority of the cell's supply of adenosine triphosphate (ATP), which is used as a source of chemical energy.

Mitochondria are membrane-bound structures that contain their own genetic material, separate from the cell's nucleus, and are responsible for their own replication. They have unique characteristics that allow them to produce energy through the process of cellular respiration, a series of reactions that convert the energy from food molecules, such as glucose, into ATP. This process is one of the most important biological processes in living organisms, as it allows cells to perform their functions and sustain life.

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3. Identify the stages of these cells

Answers

The first on is Metaphase the middle one is anaphase and the last one is photo phase. Hope it helps:)

what is the interaction between organisms or animals for resouces mates shelter and space

Answers

Answer:

Symbiosis

Explanation:

Another category of interactions between organisms has to do with close, usually long-term interaction between different types of organisms. These interactions are called symbiosis

I believe it is competition. Animals of the same species have to compete for resources, mates, shelter, and space to survive. Symbiosis, like the other commenter said, is an interaction between organisms, but it helps both organisms. If they are both looking for the same thing (ie food) it is not symbiosis.

ANYONE KNOW THIS?? NEED ANSWERS ASAP!!

Answers

I think the answer will be c

Light energy is changed to cell energy in the process of _______________

Answers

Answer:

Light energy is changed to cell energy in stage 1 of photosynthesis. The green pigment that a absorbs light energy is chlorophyll. Fermentation is the opposite process of cellular respiration.

Explanation:

Photosynthesis. The green pigment that a absorbs light energy is chlorophyll. Fermentation is the opposite process of cellular respiration.

(GIVING BRAINLIEST!!)

Read the following descriptions of two different types of precipitation. Then, decide if they are both true or not.

Rain: occurs when the air above and below clouds are both above freezing; most likely in the summer
Sleet: occurs when the air above and below clouds are both below freezing; most likely in the winter

Are the descriptions true?

A) The description of rain is true, but the description of sleet is false.
B) Both descriptions are inaccurate and false.
C) Both descriptions are accurate and true.

Answers

Both descriptions of the rain and sleet are accurate and true.

What is precipitation?

The term precipitation refers to the down fall of water that have been condensed in the cloud as rain drops.

We know that rainfall is most likely during summer while sleet is more likely during winter. Therefore, both descriptions of the rain and sleet are accurate and true.

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Answer:

the answer is B i took the test!

Explanation:

Beavers are able to adapt to the changing conditions of all four seasons. Which of the following would threaten the survival of beavers?
A. hot temperature in July
B. freezing rain in
December
C. forest fire in October
D. snow in January

Answers

Answer:

C

Explanation:

The question says that beavers are able to adapt to changin questions in each season, so we know that snow in winter, or heat in summer won't bother them. These types of variations in weather are what the beaver is used to. This would eliminate A (July is in summer, so the beavers would expect heat), B (December is in winter, so the beavers would expect freezing conditions), and D (January is in winter, so the beavers expect the snow). That leaves us with C. Fires are not a typical condition for a season- fires aren't expected every fall. Therefore, when there is a fire, beavers will not know what to do. Hope this helps, and feel free to ask me for more clarification!

Answer: I think The answer is A,B,C,D

Explanation: ( thanks for the point btw :)

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