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Answer:

The correct answer is - operation of reflex arc.

Explanation:

The reflex arc is a unique and special type of neural pathway that starts with a sensory neuron and ends with a motor neuron. In this operation sensory neuron acts as the receptor and motor neuron is effector. This type of neural circuit helps in faster response.

Voluntary muscles like quadriceps muscle are normally in control voluntarily however, such muscle may contract involuntary due to reflex arc. This type of contraction takes place before the signal has even reached the brain.

In this response the sensory neuron takes the signal to the spinal cord and then motor neuron to the effector muscle for faster response.

Thus, the correct answer is - operation of reflex arc.

Answer:

1) Inti menghilang.

2) Kromatid menuju bidang ekuator.

Penjelasan:

Selama fase pertama mitosis i. e. profase di mana replikasi menjadi kromatid terjadi dan berubah menjadi kromosom sementara nukleolus menghilang dan terjadi pemecahan selubung inti. Setelah profase, metafase dimulai di mana kromosom menjadi terlihat di sitoplasma sel dan bergerak menuju tengah atau ekuator sel.

Answer

1:2:1

Please  check the file,due to technical reasons there was issues  with submission

Explanation:

Answer:

C. Messages that offer a remedy for a person's fears tend to be effective.

Explanation:

The manner in which the message is presented. Presenting two sides of an argument makes the message seem more believable and persuasive than presenting just one side. Such an approach gives the message a sense of being impartial and factual. *Presenting a fear factor also may persuade people. For example, ads for different kinds of medicines present the dangers lurking around us as they offer a remedy.

Repetition. Repeated exposure to stimuli—like ads—is more likely to have favorable effects on attitudes than infrequent exposure. That’s why companies spend lots of money making sure their ads run again and again and why they have their logos and messages on race cars, buses, and billboards. The more often you see or hear a message, the more likely you are to have a positive attitude toward it.

Messages that offer a remedy for a person's fears tend to be effective is true for persuasive message. Therefore, option (C) is  correct.

To persuade someone means to move them emotionally or to motivate them to act in a certain way by presenting them with arguments that convince them to accept your viewpoint or act in the way you want them to. A persuasive message can be either spoken or written and is a form of communication that persuades the reader or listener to behave or act in a particular way.

The first step in convincing someone is to motivate them. If persuasion is a process, and the action of your audience (such as purchasing a product or service) is the goal, then motivating them to accept an argument or a series of positions leading to the decision that you want them to adopt is one way to help achieve that goal. If you want them to buy a product or service, for example, this would be an action.

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Currently, Coal is widely used because it's cheaper.

hydroelectric energy is more expensive (to build) but it has much much less waste, and no carbon emissions unlike coal

rest options are false.

Answer:

B.) Hydroelectric energy is associated with less waste production than coal.

Explanation:

While coal produces ash, CO2, CO, NOx, SOx, and many other waste products, hydroelectric energy has no waste products and doesn't pollute the environment.

Answer: C

Explanation: Amoeba use pseudopods to move around and people use feet to move.

Answer:

The answer is C

Answer:

BIOLOGY IS THE STUDY OF LIFE

Explanation:

Answer:

Biology is studying about life and the human body. The term biology in its modern sense appears to have been introduced independently by Thomas Beddoes (in 1799)

Hope this helps!

Answer:

The water wants to flow from the higher concentration, which is outside of the cell, to the lower concentration, which is inside of the cell. The cell membrane helps to regulate and slow down the flow of water into the cell. This is yet another way that the cell membrane helps maintain homeostasis.

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Answer:

The correct answer is - The axial skeleton is like the frame of a swing set; the appendicular skeleton is like the swings.

Explanation:

The axial skeleton is the part of the human skeleton system that supports and protects vital organs of the body and makes a frame for the body structure that include bones of skull, trunk rib cage and ribs. The axial skeleton system is like a frame of a swing set that holds the swings and provide support to the swings.

On the other hand, The appendicular skeleton is like the swings of the of the swing set that can move and provide motion to the body, upper body limb, shoulder girdle and lower limb and pelvic girdle are the bones of appendicular skeleton.

Thus, the correct answer is - The axial skeleton is like the frame of a swing set; the appendicular skeleton is like the swings.

Answer:

C - Axial skeleton is like the frame of a swing set

Explanation:

Please sort the following statements as being true or false regarding fermentation and its role in food production. Please recall the role that microorganisms can play in the production of foods.

Answer:

1.  False statement

2.  False statement

3.  True statement

4.  False statement

Explanation:

1. Yeast is a microorganism which is also used in fermentation process.

2. Fermentation can however be used for various reasons, including: development of flavours, preservation and enrichment of foods, reduction of food cooking time etc.

3. Starter culture is considered to be a form of microbiological process which is used to initiate a process of fermentation.

4. Fermentation is considered to be a desired action of microorganisms

Statement that Bacteria are regarded as only microorganisms utilized in fermentation process is False

Statement that Fermentation is considered only when making dairy products is False.

Statement that Starter cultures can be utilized when initiating the fermentation process in food processing in this age is True.

Statement that Fermentation takes place when growth of pathogens or unwanted microorganisms in food are allowed by undesirable metabolic reactions is False.

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Answer:

I reckon it's a tapeworm.

Explanation:

Answer:

tape worm

Explanation:

tape worm has all of the characteristics that have been described

Answer:

Carbon Cycle

Explanation:

Answer:

Radiation Measurement.

Stratigraphic Superposition.

The Fossil Record.

Explanation:

Answer:

Radiation Measurement.

Stratigraphic Superposition.

The Fossil Record.

Explanation:

Answer:

it is a food chain.

I can't write more it's not allowed

Answer:

Cryosphere and Hydrosphere

Explanation:

The Cryosphere refers to the frozen water bodies on earth. This includes glaciers, icebergs, ice sheets and frozen water surrounding the Arctic and Antarctica.

The Hydrosphere refers to all the water bodies on Earth, including rivers, streams, lakes, and ponds.

Answer:

Cryosphere and Hydrosphere

Explanation:

YOUR WELCOME

Answer:

two of the DNA fingerprint are same when they contain the same nitrogenous bases in the same location of the DNA.

Explanation:

The DNA fingerprint is one of the most important tool as a forensic medicine expert to to form such condition and rule it out to come to a diagnosis.

DNA fingerprint uses the base pair which a different for all the other human beings. Due to this from the blood or other cells of the body there can be an evidence of the person and this is usually done on a comparative basis.

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Explanation:

it is necessary in mammals and birds to separate oxygenated and deoxygenated blood because this makes their circulatory system more efficient and helps in maintaining a constant body temperature

Answer:

Seed grow at any angle is good for the plant because the barrier did not stop the plant growth.

Explanation:

If we planted a seed in the soil and there is any barrier such as stone or brick etc inside the soil so the roots change its direction because the seed grows at any angle. The shoot that emerge from the seed grow in upward direction if the stem is strong but some plants also grow horizontally due to weak stem so it is not compulsory for the plant to grow in only one direction, it grows whatever they want.

Answer:

Hey there!

I believe that David's prediction would be: If the amount of pollutants in the atmosphere reached an amount unhealthy for the salamanders, then the salamander population would decrease.

Let me know if this helps :)

Answer:

Explanation:

Some of the factors that influence emotional changes during adolescence include, among others, changes in self-perception, changes in the way teens are treated, increased sensitivity to criticism, increased desire for independence, and an increased need to belong.

Answer:

In other words, physical or chemical parts of the environment that affect the organisms that are in that environment.

Explanation:

For aquatic ecosystems, these factors include light levels, water flow rate, temperature, dissolved oxygen, acidity (pH), salinity and depth. Light level is an important factor in aquatic ecosystems. hope this helps you :) god loves you :)

Light level is an important factor in aquatic ecosystems.

The physical or chemical parts of the environment that affect the organisms that are in that environment.

An aquatic ecosystem is a water-based environment. Abiotic factors are the non-living components that form the environment in which organisms subsist in a current.

The main abiotic factors in the marine environment are as; light, temperature, salinity, and hydrostatic pressure. dissolved oxygen, acidity (pH), salinity and depth.

Here Without pollution or acid rain, most lakes and streams would have a pH level of around 6.5.

Therefore Light level is an important factor in aquatic ecosystems.

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Erosion is the process by which Earth's surface is worn away by the action of water, wind, ice, or gravity. Hence option C is correct.

Streams and rivers are agents of erosion, and they move material by a variety of processes, including:

Dissolution - The water in a stream can dissolve minerals from the rocks and soil that it flows over.

Suspension - Fine particles of sediment can be suspended in the water and carried downstream.

Traction - Larger particles of sediment can be rolled or bounced along the bottom of the stream.

Saltation - Small pebbles and stones can be bounced along the bottom of the stream.

The type of erosion that a stream or river causes depends on the size of the particles that it is carrying. Streams and rivers that carry a lot of fine sediment are called suspended-load streams. Streams and rivers that carry a lot of large particles are called bed-load streams.

Erosion by streams and rivers can have a significant impact on the landscape. It can create valleys, canyons, and deltas. It can also transport sediment to other areas, where it can be deposited and form new landforms.

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Answer:

E. have a variable region that binds to a specific antigenic determinant.

Antibodies E. have a variable region that binds to a specific antigenic determinant.

This location of the antibody is known as the Fab (fragment, antigen binding) place. it's far composed of 1 constant and one variable domain from every heavy and light chain of the antibody. The paratope is shaped on the amino terminal cease of the antibody monomer by the variable domains from the heavy and light chains.

An antigenic determinant is a website online of an antigen molecule that is termed an epitope and interacts with the unique antigen-binding site within the variable vicinity of an antibody molecule called a paratope.

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Answer:

for the continuation of species.. further it's as needy as a person take the meal

Explanation:

It's can be counted as a daily need of people as we take the meal

Answer:

Because this individual had a longer neck, it was able to reach food sources that other animals couldn't...

Answer:

Nitrogen is mobile while phosphorus is immobile in the soil.

Explanation:

Nitrogen fertilizers are those fertilizers which provide nitrogen to the plants that is required by plants for the formation of amino acids. It increases vegetative growth of plant. Nitrogen fertilizer is highly mobile due to soluble in water and contaminated the underground water by leaching while phosphorus fertilizer are those fertilizer which provide second macro-nutrient i. e. phosphorus to the plants. Phosphorus is a vital component of energy molecule such as ATP. It is insoluble in water so it is immobile. Only 20 % of the applied phosphorus fertilizer is available to plants.

Answer:

1. Purebred (N.B: the exact word is considered a foul word)

2. Phenotype

3. Linked

4. Segregation

5) (a) BB- Brown eyes

(b) Bb- brown eyes

(c) gb- green eyes

(d) Bg- brown eyes

(e) bb- blue eyes

The other questions are explained below

Explanation:

1. A purebred organism is that which possess two copies of the same alleles in its genotype. An allele is a contrasting form of a gene. If the two alleles are the same, the organism is said to be purebred.

2. Phenotype of an organism is the observable characteristics of the organism. It is determined by the organism's genotype in interaction with its environment.

3. Mendel's law of independent assortment states that the alleles of a gene will separate into gametes independently of another gene unless the genes are linked. Linked genes are genes that are too close to each other on a chromosome and hence, do not sort independently. They're rather inherited together.

4. Mendel’s law of Segregation governs which allele is expressed in an individual. According to this law, an organism will express the allele it randomly receives from each parent. If an organism receives two different alleles, it will express the allele that is dominant. In other words, an organism will only express the recessive trait if it receives two recessive alleles from both parents.

5. a) BB- Brown eyes because the organism is purebred for the dominant (brown) allele

(b) Bb- brown eyes because the brown allele (B) will mask the expression of blue allele (b) and express itself.

(c) gb- green eyes because the allele for green eyes (g) is dominant over the allele for blue eyes.

(d) Bg- brown eyes because the brown allele (B) is dominant over the allele for green eyes (g), hence, it will mask its expression

(e) bb- blue eyes because the organism is purebred for the blue allele i.e. same recessive (blue) alleles in the gene.

6. The law of segregation as proposed by Mendel states that the alleles of a gene will separate into gametes during gamete formation (meiosis). This is done in such a way that each gamete contains only one allele of each gene. Hence, an organisms will contain two copies of a gene because they receive each copy (allele) from each parent during fusion of their gametes.

7. Mendel conducted an hybridization experiment i.e. a cross involving two individuals that possess different traits. He did this in order to find out how different traits/characteristics in organisms were transferred from one generation to another. Mendel chose the pea plant for his experiment because they could easily be manipulated for self and cross pollination. Mendel studied seven (7) different traits or characteristics in pea plants including height, seed shape, seed color, flower color etc.

A Community is composed of a population of a species plus populations of other species. Thus, the correct option is A.

A Population may be defined as a group of individuals belonging to the same species living in the same area at a given time. Some demographic characteristics of a population are size, density, birth rate, death rate, population dispersal, etc.

A community may be defined as a group of individuals belonging to different species living in the same area at a given time.

An ecosystem may be defined as a place or area where individuals of different species along with abiotic factors live together and interact with one another for the purpose of food, shelter, and space.

The Abiotic community deals with the existence of abiotic factors like temperature, rainfall, fire, winds, mountains, hills, etc.

Therefore, a Community is composed of a population of a species plus populations of other species. Thus, the correct option is A.

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Answer:Am really sorry...I wanted to help you but I cannot understand Hindi

Explanation:

I really hope you get an answer