The tidal volume is the _____.a) volume of gas inhaled in a deep breath b) volume of gas exhaled in a deep breath c) volume of gas that moves in and out as you breathe d) volume of gas that remains in your lungs after exhaling completely

Once upon a time, there was a man named Steve who went to the doctor with a severe headache. The doctor began examining him and was able to pinpoint the problem as an issue with Steve's cranial nerves.

The first cranial nerve is the olfactory nerve, which is responsible for a person's sense of smell. Steve's olfactory nerve was damaged due to a previous injury to his nose, which caused him to have a reduced sense of smell. The doctor then moved on to check the second cranial nerve, the optic nerve, which is responsible for vision. The doctor shone a light into Steve's eyes and noticed that his pupils were not reacting properly to the light.
Moving on to the third, fourth and sixth cranial nerves, the doctor began checking Steve's eye movements. Steve was unable to move his eyes in certain directions, indicating a problem with these nerves. The fifth cranial nerve, the trigeminal nerve, which controls facial sensation and chewing, seemed to be working properly. The seventh cranial nerve, the facial nerve, was then checked by asking Steve to make facial expressions. Steve was unable to move the right side of his face, indicating a problem with this nerve.
Finally, the doctor checked the eighth cranial nerve, the vestibulocochlear nerve, which is responsible for hearing and balance. Steve was experiencing dizziness and balance issues, indicating a problem with this nerve as well. After examining all the cranial nerves, the doctor was able to diagnose Steve with a condition that affected multiple nerves in his head. Steve was then referred to a specialist who was able to treat his condition and help him feel better.

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In summary, pre-mRNA is the precursor to mature mRNA and requires processing to remove introns and add modifications. Mature mRNA is the final product that can be translated into proteins.

The pre-mRNA in the nucleus of a eukaryotic cell is the initial transcript of a gene that undergoes processing to become a functional mature mRNA. Here's a comparison between the two:
1. Length: Pre-mRNA is longer than mature mRNA. It contains both coding and non-coding regions, whereas mature mRNA only contains the coding regions (exons).
2. Introns: Pre-mRNA contains introns, which are non-coding sequences. These introns are removed during mRNA processing, resulting in a mature mRNA with only the coding sequences (exons).
3. Processing: Pre-mRNA undergoes several modifications, including 5' capping, 3' polyadenylation, and splicing, to become mature mRNA. These modifications ensure stability, facilitate translation, and remove non-coding sequences.
4. Export: Pre-mRNA remains in the nucleus during processing, while mature mRNA is exported to the cytoplasm, where it can be translated into proteins by ribosomes.
In summary, pre-mRNA is the precursor to mature mRNA and requires processing to remove introns and add modifications. Mature mRNA is the final product that can be translated into proteins.

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Answer:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. ... The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles.

hello,

here is your answer:

**********

Eukaryotes:

(1) Nucleus is present

(2) Cell membrane and cell wall is present

(3) There are many chromosomes

(4) Posesses membrane bound organelles

Prokaryotes:

(1) Nucleus is absent

(2) Cell membrane and cell wall is absent

(3) There is a single chromosome

(4) Lack membrane-bound organelles

**********

hope this helped,

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The human sense of taste involves receptors cells that respond to chemicals entering oral cavity basic taste.

Taste receptors are modified elongated epithelial cells that are present on the tongue, tonsils, pharynx, epiglottis, and hard and soft palates throughout the oral cavity. Regional gene expression around taste buds regulates their formation and is in part regulated by innervating nerves.

Taste pores are openings in the epithelium for chemical substances to enter. Peripheral sensory innervation is through branches of three cranial nerves: facial (VII), glossopharyngeal (IX), and vagal (IV) (X). Only three of the four morphologically unique forms of lingual papillae—the fungiform, foliate, and circumvallate papillae—bear taste receptors.

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Answer:

Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.

Answer:

A

Explanation:

All mating must be totally random

Hardy-Weinberg equilibrium is a mathematical model that describes the genetic equilibrium of a population in terms of allele frequencies. It states that allele frequencies in a population remain constant over time in the absence of any evolutionary forces.

In order for this balance to be maintained, five basic requirements must be met: large population size, random mating, no mutations, no migration, and no natural selection. In this case, the starfish population does not satisfy the fifth requirement for no natural selection.

Natural selection occurs as individuals with the purple allele die off, resulting in the red allele becoming more common over time. This type of directional selection causes allele frequencies to deviate from Hardy-Weinberg equilibrium.

Therefore, no natural selection requirement is met in this starfish population. This causes allele frequencies to change over time, leading to a deviation from Hardy-Weinberg equilibrium.

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Finding work in an industry that matches their experience, interests, and skill set is the aim of those who are unemployed. It's crucial to pursue professional prospects even though the process can be difficult by persevering, being optimistic, and being aggressive.

Those who are unemployed may think about different career alternatives or tactics to get work, even though unemployment is neither a career nor a choice. It might contain:

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Answer:

B

Explanation:

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.

Answer:

A. They include a set number of steps to follow in order

Answer:

Propagating a plant by cuttings will allow you to keep the special characteristics of that plant. Plants grown from seed will often be different from the parent plant and from each other. Propagating a new plant via cuttings avoids the difficulties of propagating by seed.

The predicted phenotypes would be mahogany = 375, ebony = 375, wild type = 125, mahogany-ebony = 125, and they would be expected in 125 numbers out of 1000 children.

On chromosome 3 of Drosophila, the genes for ebony body and mahogany eyes are located around 25 map units apart. Consider a scenario in which a mahogany-eyed female coupled with an ebony-bodied man, and the ensuing F1 phenotypically wild females mated with mahogany, ebony men.

Wild type = 125, mahogany = 375, ebony = 375, and mahogany-ebony = 125.

Recombination frequency (RF) between genes in map units equals the distance between them.

RF between the mahagony and ebony genes is therefore 25%.

Hence, of 1000 children,

750 parental kinds

There are two sorts of parents: normal eyes with ebony bodies and mahagony eyes with normal bodies.

So, 375 will have normal body and mahagony eyes, while 375 will have normal body and ebony eyes.

250 Recombinants

Mahagony eyes, ebony body and normal eyes, normal body are the two forms of recombinants.

Thus, 125 people will have mahagony eyes and ebony bodies, whereas 125 people will have regular eyes and bodies.

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Answer:

They will have different eating habits and find different food sources, creating variety in their species.

Explanation:

Heterotrophic animals are those that are unable to produce their own food, requiring previously produced organic matter. This means that heterotrophic animals feed on other living beings to produce energy and synthesize their biomolecules. These organisms are unable to transform inorganic material into organic.

In the food chain, heterotrophic organisms may be consumers or decomposers. Consumers are those who feed on other living things. Herbivorous, carnivorous and omnivorous animals are part of this group. Because of the different eating habits you will find different sources of food, creating variety in their species and contributing to animal diversity.

In addition to consumers, we can cite as heterotrophic organisms the decomposers. Fungi and bacteria are representatives of this group, which stands out for degrading dead organic matter into smaller parts and soluble forms of nutrients. This process is important because it ensures that nutrients return to the environment and can be reused by other organisms.

Answer:

How they contribute to such great animal diversity is they will have different eating habits and find different food sources, creating variety in their species.

Compared to plain water, saline solution in hospital IVs is isotonic so your blood cells don't burst. The correct answer is option C.

Isotonic solutions have the same concentration of solutes (such as salts and sugars) as human blood, which means that they do not cause a net movement of water into or out of the cells. This is important because if a solution is too hypertonic (higher concentration of solutes than blood), water will move out of the cells and cause them to shrink. On the other hand, if a solution is too hypotonic (lower concentration of solutes than blood), water will move into the cells and cause them to swell and potentially burst.

Saline solution, which is a mixture of sodium chloride and water, is commonly used in hospital IVs to replenish fluids and electrolytes in patients. It is isotonic with human blood, meaning that it does not cause any significant changes in the concentration of solutes in the blood or the cells. This makes it a safe and effective way to deliver fluids and medications to patients without causing any adverse effects on the cells.

So, the correct answer is c) isotonic so your blood cells don't burst.

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The question is -

Compared to plain water, saline solution in hospital IVs is?

a)  hypotonic so your blood cells don't burst.

b) hypertonic so your blood cells don't burst.

c) Isotonic so your blood cells don't burst.

d) plain water so your blood cells don't burst.

Answer:

Specialisation in the knowledge society and its need

Posted by Bernardo Lajus on Mon, 01/07/2013 - 11:54.

Contemporary society is characterized by globalization. The information and the speed with which they reach society amaze anyone who has experienced the 1980s and 1990s. Because of the technology and facilities it brings, the recipients of this information become increasingly demanding, in every way. Demanding with you, with others, with things, with everything, making the world so demanding, to the point that services and information are insufficient, exhausting, poor.

Because of this, the world specializes. The professions have gained new directions, new perspectives. The courses that were previously generic, such as engineering, law, medicine, became insufficient and were gaining tributaries. If before the general practitioners of mechanical engineering and law realized the professional demand, over the years and the evolution of society, it required professionals to become specialists, creating branches and opening possibilities.

Today, specialists, masters and doctors are essential for the rapid development of society, required everywhere. Despite the harm spawned (such as time demanded, or "knowing much about little), specialization in the knowledge society brings inegulable benefits. The creation of new jobs, the deepening of knowledge and the quality of services makes society evolve even more.

Thus, although the human being, in his individuality, is not expanding his way of knowing, but rather reducing himself to specificity, society as a whole plunges into a profound expansion of knowledge, bringing this to everyday life, from the most trivial to the most complex of works, specialization is necessary and beneficial.

Explanation:

Answer: for b, genetics variations are not always influenced by enviromental factors, but also by genes.

Explanation:

DNA is the genetic material that codes for every component a cell needs to function and divide properly. DNA also enables a cell to carry out its duties.

Our individual genetic blueprint is found in a lengthy molecule called DNA, also known as deoxyribonucleic acid. It contains the directions for generating every protein in our cells, much like a recipe book.

The base is the region of the nucleotide that codes for genetic material. A sugar, a phosphate group, and a base make up each nucleotide. Deoxyribose is the name of the sugar found in DNA.

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Answer:

To warm up the Earth.

Explanation:

Carbon dioxide in the atmosphere warms the planet causing climate change.

fish has a backbone....

Answer:

fish!

Explanation:

i eat/ catch fish all the time and the bones r hard to get out!

Answer:What  excalty the question?

Explanation:

Answer:

Answer:

True.

Explanation:

Hope this helps!

Answer:

Metamorphic rock turns into sedimentary rock through weathering

Answer: Water

- Conductors: Is a material which have free electrons that helps to conduct electricity.

- Whereas "Insulators" are apposite to conductors which resist electricity. This is the reason why Wool fabric, Glass, Rubber are poor conductor of electricity as they have no free electrons to conduct good electricity.

- In this case "Mineral water" will be a good conductor of electricity as it contains several minerals in it like calcium, potassium, iron etc. (which are good conductors). If water is distilled it will be a poor conductor of electricity because it contains no minerals to conduct good electricity.

- Example of good conductors are:

Water, Iron scale/ruler, copper wire, etc.

Hope this helps you

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Rolanda primarily relies on microorganisms and oxygen for composting to work.

The breakdown of organic materials into a nutrient-rich soil supplement is known as composting. A wide variety of microorganisms, including bacteria, fungus, and protozoa, help the process along by consuming the organic stuff and dissolving it into simpler chemicals. Composting is often done in an aerobic setting since these microbes need oxygen to carry out their metabolic functions. Other elements including moisture, temperature, and the carbon-to-nitrogen ratio, in addition to microorganisms and oxygen, are crucial to the composting process. Rolanda can produce a nutrient-rich compost that will assist fertilize her tomato plants and enhance soil health by fostering microbial activity.

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Answer:

differential survival ( more info below)

Explanation:

Natural selection is the differential survival and reproduction of individuals due to variations in phenotypes. This is a central process of evolution, a transition in the heritage characteristics characteristic of the population over centuries. Variation exists in all populations of organisms.

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The correct option is D ; None of the above , Mutations are unintentional changes that arise within the base sequence of DNA.

A genetic mutation is a change in the DNA sequence of a gene that results in something distinct. It causes a permanent alteration in the DNA sequence of that gene. Human evolution, or the process of change over years, requires genetic variations. A gene variant is an alteration to the DNA code that makes up a gene. This type of genetic change was previously referred to as a gene mutation, but because changes in DNA do not always result in disease, it is believed that the word gene variant is more accurate.

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