How would a drug that blocks acetylcholinesterase (Za) activity at the motor end plate aff
ect skeletal
muscle contractions?
A. It would make the muscles less excitable.
B. It would prolong the duration of muscle contractions.
C. It would cause flaccid paralysis (relaxed muscles unable to contract).
D. It would have no effect on skeletal muscle contractions.

Answers

Answer 1

Answer:

C

Explanation:

It would cause flaccid paralysis (relaxed muscles unable to contract).


Related Questions

Which of the following is a characteristic of hydrologic fracturing?

A. Large amounts of water force open cracks in rocks
B. Removal of topsoil to reach water supply
C. Transportation of coal via waterways
D. Use of machinery underground to mine coal

Answers

Answer:

A. Large amounts of water force open cracks in rocks

Explanation:

Hydraulic fracturing, or fracking, is a drilling method used to extract petroleum (oil) or natural gas from deep in the Earth. In the fracking process, cracks in and below the Earth's surface are opened and widened by injecting water, chemicals, and sand at high pressure.

A is basically explaining this the same way. Forcing cracks in the ground with liquids.

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Which type of medication treats a sprained ankle that exhibits pain, redness, and heat?
antihistamine
anti-inflammatory
antibiotic
antiparasitic

Answers

Answer:

anti-inflammatory

Explanation:

Scrivi tutti gli isomeri dell’esano

Answers

Answer: i cinque isomeri possibili per l'esano sono n-esano, 2-metil pentano, 3-metil pentano, 2, 3-dimetilbutano e 2, 2-dimetilbutano. - 2-metil pentano è anche chiamato isoesano. - 2, 2-dimetil butano chiamato anche Neoesano.

Explanation:

Changing the structure of the transmembrane domain in the MC4R receptor, which would result in:
A. an increase in MC4R signalling
B. an elongated C-terminal
C. an inability for the receptor to be embedded in the cell membrane correctly.
D. an overexpression of MC4R at the cell membrane

Answers

Answer:

Answer is C

Explanation:

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Animals and plants have certain features which make them to survive in a particular habitat. This is called(a) adaptation (b) speciation (c) specialisation (d) evolution ​

Answers

Answer:

Adaptation

Explanation:

The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called adaptation.

Animals and plants have certain features which make them to survive in a particular habitat. This is called(a) adaptation (b) speciation (c) specialisation (d) evolution

it's A. adaptation

when animals adapted environment they can survive

hope it helps

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What is the function of the sodium potassium pump?

To move sodium ions extracellularly and potassium ions intracellularly
To move sodium and potassium ions extracellularly
To move potassium ions extracellularly and sodium ions intracellularly
To move sodium and potassium ions intracellularly

Answers

Answer:

D) To move the sodium and potassium ions intracellularly

Which statement correctly classifies ATP, cytoplasm, and mitochondria? (1 point)
O ATP is found in mitochondria, and mitochondria are found in the cytoplasm.
O ATP is found in the cytoplasm, and cytoplasm is found in the mitochondria,
O Mitochondria are found in the cytoplasm, and cytoplasm is found in ATP
O Cytoplasm is found in ATP, and ATP is found in the mitochondria

Answers

Answer:

ATP is found in mitochondria, and mitochondria are found in the cytoplasm

Explanation:

ATP is found in mitochondria and mitochondria are found in the cytoplasm. So the correct option is A.

What are mitochondria?

The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular). Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP). Small chromosomes found in mitochondria are found there. In most cases, mitochondria and consequently mitochondrial DNA are exclusively passed down from the mother.

Organelles that are membrane-bound include mitochondria, however, they are membrane-bound with two distinct membranes. And for an intercellular organelle, that's extremely remarkable. Those membranes provide the fundamental function of mitochondria, which is to create energy. Chemicals within the cell must be transformed, or they must go via routes, in order to create that energy.

Because phosphate is a high-energy bond and supplies energy for other processes within the cell, the conversion process results in the production of energy in the form of ATP. Consequently, the mitochondria's function is to generate that energy. Because certain cells require more energy than others, they differ in the number of mitochondria they contain.

Therefore the correct option is A.

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The role of a control in an experiment is
A. Ensure the experiment can be repeated
B Prove a hypothesis is correct
C Provide a basis of comparison to an experimental group
D Prove that a hypothjesis is correct and ensure repeatability

Answers

Answer:

C.

Explanation:

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first invertebrates to develop a true nervous system​

Answers

Answer:

Coelenterates are the first invertebrates to develop a true nervous system.

Which of the molecules from model 2 would form hydrogen bonds with itself or with water molecules if in a solution?

Answers

where is the model 2?

What is the value of a transitional fossil?
Transitional forms show the evolutionary steps between species.
Transitional forms are analogous fossils.
Transitional forms discredit the theory of evolution.
Transitional forms are proof of punctuated equilibrium in evolution.

Answers

The value of a transitional fossil is that its forms are analogous fossils.

What is Transitional  fossil?

These are fossilized remains of organisms which exhibits traits common to

both an ancestral group and its derived descendant group.

Analogous fossils possess similar structures and functions but evolved

differently thereby making the transitional form the same as it being

analogous.

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Answer:

A

Explanation:

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examples of tissues

Answers

I HOPE IT WILL HELP YOU.

THANK YOU.

Tissues is based off of differences in their anatomy and functions

Define antibiotic resistance.

Answers

Answer:

Answer: Antibiotic resistance occurs when the body builds up a resistance to antibiotics.

Explanation:

How would you identify a floodplain that has not been immersed for a long time?

Answers

Answer:

Floodplains are identified as zones on FEMA Flood Insurance Rate Maps (FIRMs). Flood zones are defined by type, depth, and frequency of flooding. But the shape and nature of a floodplain may also change over time as the main channel of a river naturally migrates through erosion and accretion, impacting how and where excess water may first over top the banks of the river during a flood event. Geologically ancient floodplains are often represented in the landscape by fluvial terraces. These are old floodplains that remain relatively high above the present floodplain and indicate former courses of a stream. I HOPE THIS HELPS YOU :)

Explanation:

The geology of a floodplain the natural development of floodplains is primarily influenced by two processes: aggradation and erosion which help to identify that it has not been immersed for a long time.

What do we should know about floodplain ?

The flood fringe extends beyond the floodway. From the floodway's outer banks to a river valley's bluff lines, the flood fringe extends. The point at which the valley floor begins to rise into bluffs is marked by bluff lines, which are also known as valley walls.A generally flat area of land adjacent to a river or stream is known as a floodplain. It extends from the riverbanks to the valley's outermost edges. There are two components to a floodplain. The floodway, which is the river's primary channel, is the first. The channel may be dry for a portion of the year in floodways, which can sometimes be seasonal.The process by which earth is worn away by the movement of a floodway is referred to as the erosion of a floodplain. The term "aggradation" of a floodplain refers to the process by which earthen material expands as sediment is deposited by the floodway. A floodplain is eroded by a river as it meanders or curves.Floodplains are frequently made up of features like oxbow lakes and seasonal wetlands. These features are the result of erosion and deposition.A floodplain's erosion and aggradation, or accumulation of land elevation, may be exacerbated by a meandering stream. A river that is wide, shallow, and braided is a typical aggradation environment. River deltas, where the main floodway is divided into discrete channels and tiny islands, are frequently found in braided rivers.

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I need this done before 3pm please and please DO NOT DELETE any one's answers unless its incorrect.
1. In the overall energy transformation in photosynthesis, the energy of ____ is converted to the energy of ____.

2. In the overall energy transformation in cellular (aerobic) respiration, the energy of ____ is converted to the energy of ____.

3. In the overall energy transformation in fermentation, the energy of ____ is converted to the energy of ____.​

Answers

Answer: 1. Photosynthesis converts solar energy into chemical energy that plants use to make glucose so they can grow.

2. Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.

3. Any chemical process that yields energy is known as a catabolic pathway. Cells release the energy in those organic molecules by breaking them down. Through cellular respiration and fermentation, those bonds are broken releasing the potential energy of organic molecules into kinetic energy that cells use to do work.

Explanation:

State six systems work human body​

Answers

Answer:

circulatory, respiratory, muscular, digestive, integumentary, endocrine, reproductive, and nervous systems.

Explanation:

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Nervous system, respiratory system, skeletal system, digestive system, reproductive system, excretory system.

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Which object is hotter in terms of its kinetic energy: the cup of coffee or the iceberg? Explain the reason for your answer in terms of your understanding of the kinetic molecular theory of matter. ​

Answers

Answer:

red-hot iron bar

Explanation:

An iceberg could even contain more heat energy than a cup of coffee or a red-hot iron bar. That's because its bigger and contains so many more molecules, each of which has some heat energy. The coffee and the iron bar are hotter (have a higher temperature), but the iceberg holds more heat because it's bigger.

While distinctly Anthropoids, some Platyrrhines maintain a few of traits that are typically represented only in Prosimians. For this question, identify the seemingly primitive traits and discuss how their presence in both Platyrrhines and Prosimians may reflect an example of convergent (parallel) evolution. (150-250 wds)

Answers

Convergent evolution is the concept of two or more species evolving similar traits despite being completely unrelated to one another, including the absence of a common ancestor.

The Platyrrhines, more commonly known as "New World Monkeys", share many characteristics with the Prosimians. Some of these include:

Teeth layoutDietEyesight Sleeping habits

and more.

The Platyrrhines and the Prosimians are both nocturnal animals. Despite all other members of their family being active during the day, the Playrrhines have evolved nocturnal habits similar to that of the Prosimians. Aside from that, they feed on insects more so than fruit, which is reflected by the layout of their teeth, and have eyesight well adapted to dark conditions. All of these are traits they share with the Prosimians.

Despite being in different ecosystems and regions, and sharing no recent common ancestors, both of these species have evolved strikingly similar traits. This can be used to corroborate the theory of convergent evolution, which explains how two species can evolve very similar traits despite being unrelated.

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Write a paragraph explaining how adhesion, cohesion and capillary action all enable water to go from the roots to the top of a tall tree.

Answers

Answer:

Capillary action helps bring water up into the roots. But capillary action can only "pull" water up a small distance, after which it cannot overcome gravity. To get water up to all the branches and leaves, the forces of adhesion and cohesion go to work in the plant's xylem to move water to the furthest leaf.

Explanation:

Hope This Helps!

Water is moved up through the plant by capillary action from the soil.

Hydrogen connections between water molecules give them a sticky property that allows them to form droplets. Droplets can stick to the plant  because of adhesion.

what is capillary action?

Capillary action is the movement of liquid along a solid's surface induced by the attraction of the liquid's molecules to the solid's molecules.

The movement of a liquid across the surface of a solid induced by adhesion between the two is known as capillary action.

The higher the water climbs on its own, the narrower the tube becomes. Water is forced up the columns of cells in the xylem and through fine tubes in the cell wall by adhesion in plants.

The transport of water through the plant is known as capillary action. When the adhesion is stronger than the cohesion, this movement happens. The attraction between water molecules is natural. The transient hydrogen bonds that they form are the source of their attraction.

what is adhesion and cohesion?

The act of attaching one thing to another is known as adhesion. Water adheres to the organic tissues of plants thanks to adhesion.

Cohesion is the property that allows molecules of the same substance to stick together.

Water molecules are held together by cohesion in plants. Intermolecular attraction leads liquids to create a top or outer layer that acts like a thin film.

The shape of water drops is determined by surface tension, which also holds structures together as they absorb water.

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Where do plants get water from ?

Answers

Answer:

Rain

Explanation:

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Plants absorb water through their roots from the soil.

defirent between bacteria and virus​

Answers

Answer:

On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.

1._______ is what farmer should do in order that plant will grow fast and productive?
2._______a practice to help promote the growt of root's and improve aeration for fast absorption by the soil.
4._______is also called rows cultivation and is done only by cultivating the soil in rows or between the two plants are being cultivated.
5._______is cultivating the soil towards the base of the plant or cultivation around the plant. ​

Answers

Answer:

1.Planting

2.Cultivating

4.Tilling

5.Hilling Up

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Mollusks, frogs, sea urchins, and bees can all be classified into which group?
bilateria
protostomes
parazoa
deuterostomes

Answers

i think your answer is C but i’m not sure

Define radiation energy

Answers

Answer:

Radiation energy can be defined as energy produced from the sun, chemicals, or waste. Radiation is any energy that causes some consequence to out body or animal.  

Explanation:

answer →  energy that travels by waves or particles


Which plane separates your chest from your spine?
inverse

Answers

Answer: a frontal plane.

Explanation: The frontal plane or coronal plane that divides the body in ventral and dorsal part.

Question of the day, who ever answers it first gets brainliest:
Do animals have a cell wall?

Answers

Answer:

yes they do

Explanation:

Answer:

No, animals do not have a cell wall!⊂(・ω・*⊂)

Hello,

Can someone re-word this well for 50 points?

"The lab allowed me to model and observe stream and river processes. Using a virtual model, I compared low and high velocity streams or rivers, low and high gradient streams or rivers, and low and high volume streams or rivers. I found that higher velocity streams or rivers can cause more erosion, as do higher gradient and higher volume streams or rivers. Not only did these factors move more small sediment, they also moved larger pieces of sediment."

Answers

Answer:

Explanation:

This lab here allowed me to model and notice  the stream and river processes. I found that higher celerity streams or rivers can cause more abrasion, as do higher gradient and higher volume streams or rivers. Not only did these factors move more small sediment, they also moved bigger pieces of the sediment rock.

Of these things is an environment which one is a living thing?
Air (wind)
Soil (clay)
Fungus (mushroom)
Water (river)

Answers

Answer:

What is Fungus (mushroom)

Explanation:

The living body of the fungus is a mycelium made out of a web of tiny filaments called hyphae. The mycelium is usually hidden in the soil, in wood, or another food source. A mycelium may fill a single ant, or cover many acres.

Air,water and soil may well be a place living things exist in, ecosystem, but they are in no way living.

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Miss Hawaii

Fungus (mushroom) is the living thing in environment. Thus option C is correct.

What are the types of environment ?

The surrounding of living organism including both the biotic and abiotic factors  called as environment. It may be natural, social, or built environment.

Majority of the environment is composed up atmosphere, hydrosphere, lithosphere, and biosphere.

It can be up microenvironments which is the immediate local surroundings of an organism and secondly macro environments refers to biotic and abiotic factors.

Two common types of environment such as  natural or geographical environment, and man-made environment.

Geographical environment include terrestrial environment independent of humankind. For example rivers, deserts, water, oceans.

Man-made environment refers to a social environment. It is completely dependent on human social influence.

For example, city infrastructures, houses, transport and communication etc.

Thus option C is correct.

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Describe how an enzyme speeds up a chemical reaction within a cell. (written answer)

Answers

Answer:

Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.

An enzyme is a form of biological catalyst. This means that as the enzymes breaks down the detritus within the cells, this speeds up the chemical reactions within.

The concentration of salts in blood reamins relatively steady regardless of a person's diet. This situation best illustrates


homeostasis


autotrophy


evolution


life's organizational hierarchy

Answers

homeostasis

homeostasis is constant
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