The total lung capacity minus the residual volume equals the ____________ .
Answers
The total lung capacity minus the residual volume equals the vital capacity.
What is vital capacity?
Vital capacity (VC) is a lung volume that is a measure of the maximum amount of air a person can inhale and exhale during breathing. This calculation considers the volume of air left in the lungs after the lungs have been emptied as much as possible. VC is equivalent to total lung capacity (TLC) minus residual volume (RV).
What is residual volume?
The residual volume (RV) is the air remaining in the lungs after maximal exhalation. During normal, relaxed expiration, approximately 30% of the total lung volume is expelled. The residual volume typically ranges from 1.0 to 1.5 liters.
What is total lung capacity?
Total lung capacity (TLC) is the maximum amount of air that can be present in the lungs at the end of a full inhalation. The TLC is calculated by adding together four lung volumes: tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume. The total lung capacity is determined by size, age, sex, and other factors.
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Related Questions
a 5% urea solution is hypotonic to a 10% urea solution. true or fasle
Answers
The given statement is True because a hypotonic solution has a lower concentration of solutes compared to another solution. It is the solution that has a lower concentration of solute and a higher concentration of solvent than another solution with which it is compared.
A 5% urea solution is hypotonic to a 10% urea solution. This is because a 5% urea solution has a lower concentration of solutes compared to a 10% urea solution.Therefore, it is true that a 5% urea solution is hypotonic to a 10% urea solution.To learn more about hypotonic solutions Please visit:
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Pump jacks use upward force and pressure to slowly move oil up a drill shaft. Which statement best describes an environmental consequence of this process?
Soil is created by the force and pressure of the drilling process.
High salinity of wastewater reduces soil fertility and growth of vegetation.
Wastewater is contaminated with oil and becomes sludge in landfills.
Heavy metals are released into surrounding soil, poisoning local vegetation.
Answers
Wastewater is contaminated with oil and becomes sludge in landfills.
Environmental consequences of oil spillage
The effects oil spillage create a great environmental pollution.
The pollution caused by oil spillage can kill surface-dwelling animals and birds by poisoning or suffocation, as well as affecting buoyancy and natural waterproofing.
Contaminated food supplies mean animals may become malnourished or poisoned over time.
Thus, the statement that best describes an environmental consequence of this process is "Wastewater is contaminated with oil and becomes sludge in landfills".
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What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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pruning (with respect to neurological development) refers to the process by which synapses that are not used are extinguished.
T/F
Answers
True. Pruning, in the context of neurological development, refers to the process through which synapses that are not frequently used or activated are eliminated.
It is a crucial mechanism in brain development that occurs during childhood and adolescence.During early brain development, there is an overabundance of synapses, forming an intricate network. However, not all of these synapses are necessary for optimal brain functioning.
Through the process of pruning, the brain refines its neural connections by eliminating weak or unused synapses, leading to a more efficient and streamlined neural network.
Pruning is influenced by various factors, including neural activity, experience, and environmental stimuli. Synapses that are frequently activated and involved in important neural pathways are strengthened, while those that are not used or receive little input are gradually eliminated.
This process helps shape the developing brain and optimize its functionality, allowing for more efficient information processing and neural communication.True is the answer.
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A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?.
Answers
Answer:
Codominance
Explanation:
In some cases there are Dominant alleles. If this were the case the cat would only show one trait, in this case, black or orange fur. So it can't be that.Another option would have been Incomplete Dominance. In that situation the cat would have been a mixed between the orange and black color.(For example; say you have a red flower and a flower. If the offspring were pink, that would be incomplete dominance.
So it also can't be this option.
In the case of a Recessive allele there would have only been one color.In order for a recessive allele to become manifested that trait from both of the alleles(one from each parent) would have to be recessive. If not the dominant allele would always be the one to show through.
This leaves us with the option of Codominance. Codominance is when one allele doesn't show over the other one(Dominant alleles) or when the two don't mix to make a new allele(Incomplete Dominance) and both traits from each parents show up on the offspring.(For example; a white cow and a brown cow produce offspring brown and white fur.)
So because the cat has both traits for black and orange fur this would be a form of codominant allele expression.
all you need is in the photo
Answers
Answer:
PROBALY C
Explanation:
create a short story (2-3 paragraphs) incorporating all of the cranial nerves.
Answers
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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Name a crop we use pesticides on to keep insects away.
Answers
Answer:
well thats easy on one of them is corn
Explanation:
Corn - Soybeans - Wheat - Cotton
Which of the following statements about change in ecosystems is true?
a. Ecosystems experience change through human activity only
b.
Ecosystems experience change through natural events only
C. Ecosystems experience no change.
d. Ecosystems experience change through human activity and natural events
Please select the best answer from the choices provided
Ο Α
B
С
D
Answers
TRUE/FALSE. "In the early stages of mitosis, the spindle apparatus establishes four poles
toward which chromosomes will move."
Answers
The given statement "In the early stages of mitosis, the spindle apparatus establishes four poles toward which chromosomes will move" is False because during the early stages of mitosis, the spindle apparatus is still forming and has not yet established the characteristic bipolar structure with two poles.
In the early stages of mitosis, the spindle apparatus begins to form as microtubules radiate out from centrosomes located at opposite ends of the cell. Over time, these microtubules will organize themselves into a bipolar structure with two poles, each containing a centrosome.
Chromosomes will then align along the equator of the cell, and microtubules from each pole will attach to the kinetochores on the chromosomes' centromeres.
As the spindle apparatus continues to develop, the microtubules will begin to pull the chromosomes apart, separating them into two sets that will eventually be enclosed in separate nuclei.
Therefore, while the spindle apparatus does not initially establish four poles in mitosis, it ultimately plays a crucial role in ensuring the proper segregation of chromosomes during cell division.
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Which statement best describes a dormant plant? *
1.It is in need of food,
2.It is hardy
3.It is inactive
4.It is fast growing
Answers
Explanation:
Dormant plants are plants that are able to endure and survive in such harsh conditions. Looking at the definition of “Hardy” it is indeed the correct answer.
Also If you wanted, you could use process of elimination to answer this question.
1. It is in need of food.
While this may be half true, it isn’t fully correct because most dormant plants have waxy covered leaves, or some storage function to save water. That allows them to survive.
2. It is hardy.
This is true because dormant plants are very strong plants for being able to survive in such harsh conditions. That being said this answer is most likely correct.
3. It is inactive.
Dormant plants are kind of like hibernating bears because they store and collect to survive but there is one difference and it’s that bears go to sleep and are inactive while these plants remain active.
4. It is fast growing.
This is kind of hard to answer but there is one thing that makes this answer not correct and it’s that this doesn’t correlate to the original question. What does a dormant plant have to do with fast growing?
Looking at all these answer choices, we have managed to find the (hopefully/most likely) correct answer.
I hope this helped you! :)
Number of Individuals 120 100 80 60 40 20 0 1.4 meters meters Height 30 Years Ago Present Data Part B The researcher thinks the changes in data are a result of selection. Do you think directional, disruptive, or stabilizing selection is occurring? How does your data support this conclusion?
Answers
All selection kinds have the same ideas, yet they differ greatly. In contrast to directional selection, which prefers just one extreme, disruptive selection encourages both extreme phenotypes.
What real-world example would best illustrate directed selection?Galapagos Island's arid climate causes plants to produce large seeds with a tough seed coat.Finches with small beaks cannot eat these large, difficult seeds.The drought affects the direction of selection in the finch beaks as well as the size and hardness of the seeds.
Stabilising selection favours the median phenotype, which over time minimises diversity in a population.
Birth weight is a prime example of a trait that has strong stabilising selection when it is present.
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When vitamin A is deficient, the regeneration of_____ is delayed, which causes difficulty seeing in dim light, particularly after exposure to a bright light - a condition called____
Answers
When vitamin A is deficient, the regeneration of rhodopsin is delayed, which causes difficulty seeing in dim light, particularly after exposure to a bright light - a condition called night blindness.
Rhodopsin is a light-sensitive pigment found in the rods of the retina, which is essential for vision in low-light conditions. It consists of a protein called opsin and a molecule derived from vitamin A called retinal. In the absence of vitamin A, the regeneration of retinal is impaired, leading to a slower reformation of rhodopsin after exposure to bright light.
As a result, the ability to see in dim light is compromised, and individuals may experience difficulty adjusting to darkness or distinguishing objects in low-light environments. This specific symptom is known as night blindness. Adequate intake of vitamin A through diet or supplementation is crucial for maintaining normal vision, particularly in low-light conditions.
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What is the definition of “migrate” as used in the following sentence?
Similar to mitosis, the centrioles migrate away from one another and both the nuclear envelope and nucleoli break down
A. Travel aboard
B. Physically move
C. Break apart
D. Repel each other
Answers
Answer:
It's physically move
Explanation:
got the wrong answer because of the previous answer
hat does the intrinsic growth rate of a species measure? How does it vary among species? (consider r/k selection,etc)
Answers
The intrinsic growth rate of a species measures the max potential for growth under ideal conditions for a species. The r-selected species show high growth because they can give rise to a large number of offspring at once and the k-selected species have slow growth as they reproduce fewer species.
The r-selected species are the organisms that involve all their potential and energy in reproducing. They give birth to a large number of species at once and hence provide very less or no parental care.
The k-selected species do not give all the energy in reproducing and hence they offer parental care to the offspring. Thus, these offspring live longer than the offspring of the r-selected species.
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what is the living planet called?
Answers
Which living planet? Do you mean Earth or what ever else?
Answer:
Earth
Explanathope its the awnser you need
Help with this how many calories would the hawk get?
Answers
Only 10 percent of the energy is passed on to the next level, while approximately 90 percent of the energy is lost as heat. So, the hawk will receive 8.957 calories.
What is Food chain?
Food chain is the series of the events which occurred in the ecosystem in which one organism eats another organism. In this, there is the transfer of matter and energy in the form of food from organism to organism.
In the food chain, plant produces the food known as autotrophs which is eaten by herbivores then by Carnivores . Only 10% of energy is passed through the next level because 90% of the energy is lost as heat
At one time in the nature, there are so many food chains occurs which form a web like structure known as Food web.
For examples, Grass → Grasshopper → Frog → Hawk.
Grass → Grasshopper → Rat → Fox
In both cases Grasshopper is eaten by Frog and Rat forming 2 different food chains which is interlinked to each other known as Food web.
Thus, only 10 percent of the energy is passed on to the next level, while approximately 90 percent of the energy is lost as heat. So, the hawk will receive 8.957 calories.
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Which is the correct sequence of the remaining phases of division for the plant cell?
Answers
Answer:
These phases are prophase, prometaphase, metaphase, anaphase, and telophase. Cytokinesis is the final physical cell division that follows telophase, and is therefore sometimes considered a sixth phase of mitosis.
True or False- Protein can act as a energy source
Answers
Answer:
true, protein can act as an energy source
Answer:
yes
Explanation:
The fusion of two gametes to produce a zygote is called:
Answers
Answer: Sexual reproduction
Explanation: It is because it takes two gametes to form an embryo in sexual reproduction
Find the locations of boreal forests, temperate forests, and tropical rain forests. How do the locations compare?
Answers
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
A. Mitochondria
B. Lysosome
C. Ribosome
D. Chloroplast
Answers
Option A is the correct option.
The mitochondrial cell organelles are in charge of obtaining energy from carbohydrates and converting it to ATP.
Adenosine triphosphate, or ATP, is the primary energy source used by cells to fuel their different processes. It is created via a process known as cellular respiration, which includes the release of energy through the breakdown of organic substances like glucose.
Eukaryotic cells include organelles called mitochondria, which are in charge of manufacturing the majority of the cellular ATP through cellular respiration. Because they generate the bulk of the cell's ATP through the process of oxidative phosphorylation, they are sometimes referred to as the "powerhouses" of the cell. During oxidative phosphorylation, energy is released that is used to make ATP as a result of the transfer of electrons from the breakdown of organic molecules to oxygen through a number of enzymes.
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Suppoed the two thermometer on a ling pychrometer how almot identical reading. Wa the pychrometer more likely ued at a beach or in a deert in California? Explain you anwer
Answers
On a beach in Florida, the psychrometer was employed. A measurement device composed of a wet bulb thermometer is called a sling psychrometer.
Which thermometer is the most precise?The most accurate approach to check body temp is with a digital thermometer. There are numerous varieties, many of which have multiple functions, including oral, rectal, & forehead variants. Following your choice of thermometer type, you can consider design, ancillary features, and cost.
What are some thermometer uses?An device that measures temperature is a thermometer. It is able to gauge the temperature of solids like food, liquids like water, and gases like air. Celsius, Fahrenheit, & kelvin are the three most popular temperature measuring units.
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compared to cells with normal gtp, what would result if a g protein-coupled receptor was activated but treated with a nonhydrolyzable version of gtp (a form of gtp that cannot be converted to gdp) that was taken up by the cells?
Answers
The result if a g protein-coupled receptor was activated but treated with a nonhydrolyzable version of gtp that was taken up by the cells will be higher cAMP and higher protein kinase A activity.
A transmembrane helical protein called a G- protein-coupled receptor (GPCR) is physically connected to a smaller G protein at the cytosolic location. GTPase switch proteins include G-protein. Alpha, beta, & gamma are the three subunits that make it up. A catalytic subunit is the alpha subunit. Guanine nucleotides like guanosine diphosphate (GDP) and guanosine triphosphate interact with it (GTP). The alpha subunit is inhibited by the beta-gamma complex. If a g protein-coupled receptor was activated but treated with a nonhydrolyzable version of gtp the result will be higher cAMP and higher protein kinase A activity.
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which of the following is one of the seven basic characteristics used to classify living things? group of answer choices multicellularity vs unicellularity possession or absence of blue pigment in feathers or skin presence or absence of vacuoles in the cell cytoplasm presence or absence of bacteria within the structures of the body presence or absence of green pigment within the organism.
Answers
The characteristic used to classify living things among the options given is "multicellularity vs unicellularity."
Multicellularity vs unicellularity is one of the seven basic characteristics used to classify living things. This characteristic refers to whether an organism is composed of one single cell (unicellular) or many cells (multicellular).
Unicellular organisms are those that are made up of only one cell, and examples include bacteria and yeast. In contrast, multicellular organisms are made up of many cells, and examples include animals, plants, and fungi.
The distinction between unicellular and multicellular organisms is important because it affects their overall structure, function, and behavior. Multicellular organisms have specialized cells that are organized into tissues, organs, and organ systems, allowing them to carry out more complex functions and behaviors than unicellular organisms.
Overall, multicellularity vs unicellularity is an important characteristic used to classify living things and understand their biological complexity.
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correct form of question
which of the following is one of the seven basic characteristics used to classify living things? group of answer choices
multicellularity vs unicellularity
possession or absence of blue pigment in feathers or skin
presence or absence of vacuoles in the cell cytoplasm
presence or absence of bacteria within the structures of the body
presence or absence of green pigment within the organism.
describe how nucleotides form the double helix. include all necessary parts, including how the backbone is formed and the nucleotide binding rules
Answers
Nucleotides form the double helix in DNA through the assembly of three components. The sugar and phosphate groups create the backbone of the double helix, the nucleotide binding rules: adenine (A) with thymine (T) and cytosine (C) with guanine (G).
While the nitrogenous bases form the rungs. The backbone is formed by covalent bonds between the sugar of one nucleotide and the phosphate group of the adjacent nucleotide. The three components are a sugar molecule (deoxyribose), a phosphate group, and a nitrogenous base
This creates a repeating sugar-phosphate chain. The nitrogenous bases (adenine, thymine, cytosine, and guanine) project inward and pair according to. These base pairs are held together by hydrogen bonds, which stabilize the double helix structure.
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PLEASE HELP!!
Which statement describes how nuclear fusion and nuclear fission differ?
Answers
Answer:
The main difference is that fission is the splitting of a heavy, unstable nucleus into two smaller nuclei, while fusion reactions involve combining two light nuclei together.
Explain what the figure below
tells us about the K-Pg extinction event.
Answers
The figure below provides evidence that the K-Pg extinction event resulted in a significant decrease in the diversity of marine species.
Explanation: The K-Pg extinction event, also known as the Cretaceous-Paleogene extinction event, was a mass extinction event that occurred approximately 66 million years ago. The figure likely represents data showing the biodiversity of marine species over time, with a focus on the time period surrounding the K-Pg boundary.
Based on the figure, it can be observed that there is a noticeable decline in the diversity of marine species following the K-Pg boundary. This decline suggests a significant loss of species during the extinction event. The decrease in biodiversity can be seen as a drop in the number of different species present in the marine ecosystem.
The figure provides evidence for the impact and magnitude of the K-Pg extinction event on marine life. It indicates that a large number of species were unable to survive the event, resulting in a substantial reduction in marine biodiversity. This information helps us understand the severity and consequences of the K-Pg extinction event and its effects on the Earth's ecosystems.
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What is the correct answer according to the law of segregation.
Answers
Answer: choice E)none of these are correct
Explanation:
According to the law of segregation each gamete contains one copy of each factor for each trait(allele), each individual has 2 copies of each factor for each trait and fertilization gives each new individual 2 factors for each trait.
•Which best describes how an ionic bond forms ?
A. Two atoms share valence electrons
B. Two molecules share an electron
C. Two atoms both lose an electron
D. One atom pulls an electron from another atom
Answers
Answer:
One atom pulls an electron from another atom.
Explanation:
In Ionic bonds, donating and gaining of electrons takes places.