Why do bacteria numbers start to decline when treated with antibiotic C but then begin to increase as time goes on?
Question 18 options:

A) Some bacteria with resistance to antibiotic C were selected for over time.

B) Additional bacteria were added to the experimental group.

C) Antibiotic C degraded and thus was no longer effective.

D) This is the normal course of bacterial growth no matter which antibiotic is applied.

Answers

Answer 1

Answer:

A.

Explanation:  :)


Related Questions

in humans, the inheritance of what is best explained as being codominant

Answers

Answer:

height

Explanation:

Many biologists debate how a virus should be classified. In 2008, scientists in France discovered that a virus was capable of infecting another virus. Which theory might be supported by this information?

Answers

Answer: any virus should be classified by or what it is

Explanation:

What organisms are considered primary producers? What important function do they perform in the biosphere

Answers

Answer:

organisms create the food from which all other subsequent levels of the food chain get their food, and because they generate the food by the direct conversions of solar energy they are considered the primary food producers for a biosystem. Therefore, plants are considered the primary producers. Approved by eNotes Editorial Team

Explanation:

Answer:

Primary producers make their own food. Examples are organisms like plants and algae. Primary producers serve as food sources for primary consumers, which are organisms that eat producers, such as cows.

28. Many biochemical reactions in living systems would occur at a rate too slow to sustain life without
the action of enzymes. What function do the enzymes perform?
A.
Inhibitor
C.
Catalyst
B.
Product
D.
Reactant

Answers

I think it would be catalyst but I’m not sure

4. At night a similar event takes place (as that described in #3 above). As the sun goes down,
the air contains a certain amount of water vapor. The air then begins to cool
and eventually the air reaches the dew point. What is the dew point and what would form
at this point?
100points?

Answers

Answer:

its t0 wlsllslseopwpwooop

The physical act of moving air into and out of the lungs is called:

Answers

The physical act of moving air into and out of the lungs I called ventilation or breathing.

I hope this helps

How many days does each lunar phase last? Explain your claim with reasoning.

Answers

Answer:

29.5 Days.

Explanation:

The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.

7 days…because g.o.o.g.l.e said so.

I actually don’t know the reasoning but it’s definitely 7 days total.

how many moles of water are produced?​

Answers

Answer:

10.86 moles of water are produced

Hope it helps!

Which of these plant cell structures is also found in a prokaryote?

A
B
C
D

Answers

If you could provide the choices for the answer options please?

At what age will most adults experience decreased ROM

Answers

For instance, due to the normal aging process, muscle properties decline about 30–50% between the ages of 40 and 80 years old; this decline may result in reduced range of motion (ROM), reduced muscle strength, and diminished plantar tactile sensation leading to alteration in plantar loading responses3).

Answer:

between the ages of 40 and 80 years old

Explanation:

Plz help I need help

Answers

Answer:

The cell theory states that all living beings are made of cells. There is a debate as to whether or not viruses should be considered to be alive. The debate results from the fact that viruses cannot reproduce on their own. They must invade a host cell and utilize the host’s genetic material in order to reproduce. Viruses are not true cells. They lack the most important part of the cell, the protoplasm. Hence, the cell theory is not applicable to viruses. Hence, the answer is C.

Explanation:

6. Alteration so that some of the proteins original properties are diminished or eliminated is:

a. Activation energy
b. Denatured
C. Catabolism
d. Anabolism

Answers

B, denaturing. Denaturing is the process in which proteins lose their native fold. The native fold is what gives each amino-acid sequence chain their function.

What are some explained examples of pathways on how cells obtain energy.

Answers

Answer:

Catabolic pathways release the energy stored in complex molecules through the breakdown of these molecules into simpler compounds. Anabolic pathways, sometimes called biosynthetic pathways, require energy to combine simpler molecules into more complicated ones.

Exergonic reaction proceeds with a net release of free energy and is spontaneous. Endergonic reactions are nonspontaneous; they must absorb free energy from the surroundings.

Enzymes are biological catalysts agents that speed the rate of a reaction but are unchanged by the reaction

Investment of activation energy is known as a free energy of activation where the energy that must be absorbed by reactants to reach the unstable transition state, in which bonds are likely to break, and form which the reaction can proceed.

Kinetic energy is the relative motion of object whereas potential energy is the energy an object not in motion still possess

Explanation:

hope it helps

have a nice day : )

A hormone signals through a G protein-coupled receptor as shown in the diagram. After the production of IP3, which of these events will MOST quickly stop the transduction of the signal?
A. the hydrolysis of IP3
B. the hydrolysis of GTP
C. the hydrolysis of PIP2
D. the hydrolysis of the hormone

Answers

Answer: The answer is A

Explanation: Took the test lol

The quickest halt to the signal transduction process after IP3 production occurs through the hydrolysis of IP3 itself, as option A.

The hydrolysis of IP3 results in the quickest termination of the signal transduction pathway among the available alternatives. A series of actions are triggered by IP3, which causes the release of calcium ions from intracellular reserves. IP3 is hydrolyzed by phosphatases, which halts the calcium release and prevents protracted signaling.

Even while the hydrolysis of GTP and PIP2 is a necessary step in the cessation of G protein-coupled receptor signaling, it happens later and does not have the same rapid effects as IP3 hydrolysis. The hormone's own breakdown is not a known mechanism for halting signal transmission.

To know more about signal transduction here https://brainly.com/question/30449991

#SPJ3

Which of the following best describes sickle-cell anemia?
O Caused by environmental factors that an individual was exposed to during pregnancy.
O A hereditary genetic mutation that causes a resistance to malaria.
O An inherited disorder that increases the risk of contracting malaria from mosquitos.
O A genetic mutation that is inherited from a dominant allele of one parent.

Answers

Answer: The answer should be B "O A hereditary genetic mutation that causes a resistance to malaria."

Explanation:

I do FLVS also you can find this out in your lesson 3.04 on page 5.

It says, "Sickle-cell disease is a genetic disorder that gives red blood cells a crescent shape instead of the typical disk shape. Sickle cells are stiff and sticky. They tend to block blood flow in the blood vessels of the limbs and organs. Blocked blood flow can cause pain, serious infections, and organ damage. This genetic disease is recessive, meaning the allele must be inherited from both parents to be expressed in a person’s phenotype. It is caused by a mutation in the gene that produces hemoglobin, the blood’s principle oxygen-carrying protein. Sickle-cell disease occurs more commonly in people and descendants from tropical and subtropical regions where malaria is common. Scientists have discovered that individuals with just one allele for sickle-cell disease are not only healthy, but they actually have a high resistance for the parasite that causes malaria. This resistance gives the carriers of one sickle-cell allele a great advantage over malaria, which claims more than a million lives each year, and explains why the allele for this dangerous genetic disease survives to be passed down to future generations."

Have a great day hope this helped!!!

:3

The sickle cell gene is inherited and results in sickle cell disease. You cannot catch HPV from an infected person because it is not brought on by whatever the parents did either before or during the pregnancy. Thus, option B is correct.

What are the characteristics of sickle-cell anemia?

Red blood cells are typically disc-shaped and sufficiently flexible to pass readily through blood arteries.

Red blood cells with sickle cell disease have a crescent or “sickle” shape. Because sickle cells impede blood flow to particular organs, sickle cell disease complications can develop.

The severe side effects include stroke, acute chest syndrome, organ damage, various disabilities, and even early death. Acute chest syndrome lowers the blood's oxygen content.

Therefore, A hereditary genetic mutation that causes a resistance to malaria.

Learn more about sickle-cell anemia here:

https://brainly.com/question/876359

#SPJ2

Thyroid hormone receptor (TR) regulates growth, development, and differentiation of mammals. TR contains both a domain that binds to T3, the thyroid hormone, and a separate domain that binds to DNA. Which of the following BEST explains how TR signals?
A. T3 binds to TR at the cell membrane, which then releases second messengers to regulate gene expression.
B. T3 binds to DNA at the cell membrane, which then releases second messengers to regulate gene expression.
C. T3 diffuses through the cell membrane to bind to TR, which then binds to DNA to regulate gene expression.
D. T3 diffuses through the cell membrane to bind to DNA, which then binds to TR to regulate gene expression.

Answers

Answer:

C. T3 diffuses across the cell membrane, attaches to Tr, and then binds to DNA to control gene expression.

Explanation: Thyroid hormone, as a ligand, diffuses across the plasma membrane, then searches for the nucleus TR (Thyroid receptor and RxR aie heterochimeric bind to DNA).

When Thyroid Hormone binds to the A domain of T3, Corepressor Proteins are removed, which stimulates gene transcription.

How does the friction affect the total time a pendulum is in motion? And what could cause this friction in the real world?

Answers

Answer:

Without friction, the equation of motion for a pendulum of length L is,

md2θdt2+mgsin(θ)L=0.

Or for small oscillations, (i.e., sin(θ)≈θ),

md2θdt2+mgθL=0.

Assuming an initial angle θ0 and a pendulum that starts at rest, the solution to this differential equation is,

θ(t)=θ0cos(gL−−√t).

Frictional force adds an additional damping term into the equation of motion,

md2θdt2+λdθdt+mgθL=0,

where λ is a coefficient of kinetic friction.

Assuming an initial angle θ0 and a pendulum that starts at rest, the solution to the damped differential equation is,

θ(t)=θ0e−12λmtcos((gL−λ24m2−−−−−−−−√)t).

(Note: If you would like to consider closed form solutions for large angles, I would recommend consulting the mathematics section. The solutions to that problem are called elliptic integrals of the first kind.)

Friction decreases the total time that a pendulum is in motion.

If we consider a pendulum in motion, in accordance with Newton's law, the pendulum will continue moving unless it is acted upon by an external force.

In the case of the pendulum, the external force that acts on it is the air resistance or friction. As a result of this friction, the pendulum will eventually come to a stop.

In the real world, the surface of objects cause friction which causes moving objects to stop.

Learn more: https://brainly.com/question/18754989

What organisms use the carbon dioxide produced by animals

Answers

Answer:

It is produced by almost all living organisms (both plant and animal). It is given off, (exhaled) into the air every time we breathe. Even organisms without lungs or gills release carbon dioxide into the environment. This includes insects, plants, bacteria, etc.

2. Explain why glucose continues to enter a cell, even when the concentration inside the cell might be higher than outside.

Answers

Answer:

Both diffusion and facilitated diffusion are driven by the potential energy differences of a concentration gradient. Glucose enters most cells by facilitated diffusion. ... Na+ is maintained at low concentrations inside the cell and K+ is at higher concentrations. The reverse is the case on the outside of the cell

Glucose continues to enter a cell, even when the concentration inside the

cell might be higher than outside as a result of the process known as active

transport.

Active transport involves the movement of molecules through a

cell membrane against the concentration gradient. Examples include:

Antiport Pumps.Symport Pumps.

This type of transport requires the use of energy such as ATP to move the

glucose molecules into the cell.

Read more about active transport here https://brainly.com/question/2183165

Cuando se indica el reposo

Answers

Answer:

what happened which is this language

Why is the surface temperature of the ocean usually greater than the temperature on the ocean floor?

Answers

Answer:

Cold, salty water is dense and sinks to the bottom of the ocean while warm water is less dense and remains on the surface.

Cold water is a higher density in warm water.

The actual amount of heat generated per square meter of earth is quite small, especially compared to the amount of heat necessary to warm the ocean.

Giving brainliest too correct answer

Answers

Answer:

A.) Different ideas from different scientists.

Explanation:

A hair consists of two parts: a follicle and a shaft

Answers

Answer:

ur answer is in the screenshot below.

Explanation:

I need help ASAP pleaseee :( also im in 5th grade btw

Answers

Answer:

Ok I will help you what is the problem

Explanation:

What’s the problem I’m in high school so I can help

what is the historical evidence on file for fossils

Answers

Answer:

Fossils are crucial evidence for evolution because they demonstrate how life on Earth used to be different from how it is now. Paleontologists can use radiometric dating to estimate the age of fossils and categorize them to discover the evolutionary connections between creatures.

What is the chemical composition of water?
O 1 hydrogen and 2 oxygen molecules
O 2 hydrogen and 3 oxygen molecules
O 2 hydrogen and 1 oxygen molecules
O 3 hydrogen and 2 oxygen molecules

Answers

2 hydrogen and 1 oxygen molecules; H2O is water, hydrogen (2) oxygen (1)

Answer:

H20 the 3rd one.

Explanation:

2 Hydrogen molecules and 1 Oxygen molecule.

Which of the followWhich of the following correctly match a convection current in an Earth system to the primary source of energy for that convection current?

A
the atmosphere: global wind patterns -> source: solar radiation

B
the hydrosphere: global ocean currents -> source: solar radiation

C
all of the above

D
the geosphere: plate tectonics -> source: radioactive decay of elements in Earth’s coreing is a beneficial effect of volcanic eruption?

is for enviromental systems

Answers

Explanation:

Looking at the Ecological concept of Modern Ecology

we have

Atmosphere, Lithosphere, Biosphere, Niche, Environment, Habitat, Population, Ecosystem and Biotic community

Hydrosphere and Geosphere are not part

so Atmosphere is the correct answer

Every year, 25 km 3 of sand is deposited on a beach by a nearby river, and 28 km 3 of sand is removed by wave action. Is the size of the beach increasing or decreasing? Explain your answer.

Answers

If 25 km3 of sand is deposited on a beach yearly and 28 km3 of sand is removed by wave action, the size of the beach would be decreasing, not increase.

First, there is a need to understand that the size of a beach is a function of the amount of sand deposited into it. The more the sand deposited, the more the beach would increase in size.

In this case, 25 km3 of sand is deposited annually but 28 km3 of sand is washed away by waves. The net amount of sand deposited can be calculated by subtracting the amount washed away by waves from the amount deposited. Thus

Net sand deposited = 25 - 28

                                     = -3 km3

Hence, the net amount of sand deposited annually is negative, meaning that the beach would decrease in size.

More on land formation can be found here:  https://brainly.com/question/469070

The scientist who is famous for his work on natural selection is ___________.

Answers

Answer:

Charles Darwin

Explanation:

hope it helps :p

mark me as brainliest

Blood is taken to the lungs to become oxygenated and returned to the heart before being pumped through the body. Which blood vessels
carry blood away from the heart? (1 point)
Ito
It.
arteries
It:
capillaries
It
elastic
veins

Answers

Red Blood Cells Carry Blood Away from the heart to the rest of your body/organs

Blood is taken to the lungs to become oxygenated and returned to the heart before being pumped through the body by the blood vessel called  arteries.

What are the roles of different types of blood vessel ?

Blood vessels are the networks of hollow tubes which involve in the transportation of blood throughout the entire body along with the delivery of nutrients.  

The blood vessel Arteries are elastic in nature which transport blood away from the heart Like Pulmonary arteries transport the blood from the heart to the lungs.

Veins are elastic transport blood to the heart. There are four types of veins are pulmonary, systemic, superficial, and deep veins.

Capillaries present within the tissues of the body and transport blood from the arteries to the veins.

Sinusoids a narrow vessels present within the liver, spleen, and bone marrow, deliver blood from larger arteries to veins.

For more details blood vessel, here

https://brainly.com/question/4601677

#SPJ2

Other Questions
what type of color blindness do people have when they lack or possess decreased sensitivity to the red-sensitive cones of the eye? Summary of the fight between rainsford and general zaroff 7 Paragraph Paper- Native American Alcoholism(affects on community-mortality rate-% of drunks) 3 Point thesis. Plz help. Will mark you as a brainlist. Select a favorite memory or moment from your life that you wish you could return to. Explain why you chose this moment and if you would do anything differently or not. Include at least five spelling words approximately used in context and spelled correctly, A topic sentence, four detail sentences, and a concluding statement. The spelling words are idea, ago, pretend, respect, and chosen. How do I find force? Does men and women have different human rights ? With working from home now becoming a norm what is an effective network for an organization to secure its internal resources access by employees working from home Can someone give me advice please..I'm having a panic attack because a car hit my car when i was turning on a yellow arrow and it was clear but this brown jeep speeded to hit my car. how do i fix it without my dad knowing. i am willing to pay a lot to fix it but i just don't want to get in trouble and I don't want him finding out :( Write this ratio as a fraction in lowest terms.70 minutes to 60 minutes find the value of a cube + b cube when a+b = 5 and ab = 3 which classification level is given to information that could reasonably be expected to cause 34500002650 in standard form 2 significant figures briefly explain natural selection How many solutions does the equation have? The year is 2022 and today is July 1 (by assumption). You plan to fly from Newark to Amsterdam on August 2 and return on August 25. Today you can buy a one-way ticket for $350 or a round-trip ticket for $660. You could also wait until August 1 to buy your tickets. On August 1, a one-way ticket in either direction will cost $370, and a round-trip ticket will cost $730. Between July 1 and August 1, there is a 30% chance that your best friend will be able to provide you with a free one-way ticket as a present. If you buy a round-trip ticket on July 1 for $660 and your friend provides a free ticket, then you can return the second half of your round-trip ticket to the airline, after paying a $50 penalty. In this case, your net travel cost will become $380. Develop a decision tree to determine how to minimize your expected travel cost. Find the optimal policy. 14 Describe yourself and othersCompleta las oraciones con las formas correctas de ser, estar o tener.(Fill in the blanks with the correct forms of ser, estar or tener.)1. Por quella triste?(t) hambre?2. Franciscomuy estudioso.6. Los jugadores--cansados.3. Yo no enojada.7. Pilar y Lupe simpticas.4. Ustedes razn.8. Yomiedo! .5 How are proteins built using the information provided by a molecule of RNA? Remember, you are describing processes, so your predication should include steps. I want to send messages to my ex he broke up a while ago I feel sad any advice please Which of the following statements about stretching is TRUE?Stretching is important to improve flexibilityYou should stretch at the end of every workout sessionWhen your muscles are warm, they are more pliable, reducing the risk of injury when stretchingAll of the above You've read Flannery O'Connor's short stories and read Joyce Carol Oates "Reflections on the Grotesque." Broadly, the grotesque is defined as something that is repulsive, yet evokes empathy, and it is used often in Southern Gothic fiction. Choose one character from Flannery O'Connor's stories, and explain why you think this character fits the definition of "grotesque."