Only the air reaching the ____________ is available for gas exchange. when air is moved from the atmosphere into the respiratory tract, a portion of it remains in the ____________ . this collective space, where there is no exchange of respiratory gases, is referred to as the ____________ , and it has an average volum
Only the air reaching the alveoli is available for gas exchange. When air is moved from atmosphere into the respiratory tract, a portion of it remain in the respiratory tract. This collective space where there is no exchange of respiratory gases, is referred to as the anatomic dead space.
What is Anatomic dead space?Anatomic dead space is the volume of air which is located in the respiratory tract segments which are responsible for the conduction of air to the alveoli of lungs and respiratory bronchioles but these do not take part in the process of gas exchange itself in the body.
Alveoli dead space causes carbon dioxide in the lungs to diffuse down its partial pressure gradient from the blood into the alveoli. Only the air which is reaching the alveoli is available for gas exchange in the alveoli. When air is moved from the atmosphere into the respiratory tract of a person, then a portion of it remains in the conducting zone of the respiratory tract.
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Cecilia critiqued the pamphlet. Which statement best describes a problem with the pamphlet that Cecilia found?
Minerals are grouped into mineral classes primarily on a basis of ________.
Minerals are grouped into mineral classes primarily on a basis of chemical composition.
What are minerals?In terms of geology and mineralogy, a mineral or mineral species is, generally speaking, a pure, naturally occurring solid chemical compound with a fairly well-defined chemical makeup. Major mineral groups include silicates, oxides, sulfates, carbonates, native elements, and halides.
Three key functions of minerals include the development of healthy bones and teeth. managing the internal and external bodily fluids of cells. converting the food you consume into energy. Calcium, iron, manganese, and selenium all offer regular nutrients that the body requires to function.
Hence, minerals are grouped into mineral classes primarily on a basis of chemical composition.
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What type of cells can go through a cell membrane
In pollination, pollen is transferred from the anther to the
Which of the following is NOT a direct threat to biodiversity in an aquatic ecosystem
A)Poisonous chemicals dumped in by factories
B)Over fishing
C)Global Warming
D)Oil Spills
The correct answer is option C
Global warming is not the direct threat to the aquatic animals as they live in water.
Other source like oil spills, over fishing and poisonous chemicals being dumped into the factories are direct threat to the aquatic animals.
Global warming can be defined as the rise in the global temperature of the atmosphere which is a direct threat to the people and animals living on land.
The high temperature is causing several diseases in the human beings and affecting the population of animals.
When the sense of smell is blocked, as when we have a cold, foods do not taste the?
What is a photosystem? the group of proteins and pigments that transfers electrons to reaction centers units of light that cause electrons to transfer to nadph during photosynthesis the name given to the combined light and dark reactions of photosynthesis the entire range of visible wavelengths in the electromagnetic spectrum?
Answer:
The group of proteins and pigments that transfers electrons to reaction centers
Explanation:
Photosystem is the unit responsible for photosynthesis and consists of reaction center pigment and antenna complex. Antenna complex includes chlorophyll, accessory pigments and some protein. They function to channelize the solar energy towards the reaction center pigment. Chlorophyll "a" serves as reaction center pigment in green plants. Function of photosystem is to serve in light reactions of photosynthesis.
Which biome is an animal with thick fur best suited for
An animal with thick fur is best suited for tundra biome.
Tundra biome is a flat and treeless arctic biome that is characterized by low temperatures and very short growing seasons. The climate of the tundra biome is very harsh, windy and extremely cold for most part of the year. Animals with thick fur are best suited for tundra biome. The thick fur of animals is a special adaptation that functions as an insulator protecting animals from the harsh climate in the environment. The thick fur helps animals to retain their body heat, keeping them warm and reducing heat loss. Examples of animals with thick fur that can be found in the tundra biome include; Polar bear, Tundra and Arctic Wolves and Musk Oxen.
In an infant's humerus, what happens if the rate of hyaline cartilage death is faster than the rate of interstitial growth?
The force driving simple diffusion is ________, while the energy source for active transport is ________.
The action that drives simple diffusion is the concentration gradient, and it doesn't require any energy. Conversely, adenosine triphosphate (ATP) is the energy source for active transport, which moves substances against their concentration gradient and requires energy.
Explanation:The force driving simple diffusion is the concentration gradient, which means substances move from areas of high concentration to areas of low concentration. This process doesn't require any energy.
On the other hand, the energy source for active transport is adenosine triphosphate (ATP). Active transport allows cells to move specific substances against their concentration gradient, meaning from areas of low concentration to areas of high concentration. This process does require energy, which is provided by ATP. Examples of active transport include the operation of the sodium-potassium pump, which moves sodium out of cells and potassium into cells, both against their concentration gradients.
It's important to note that while simple diffusion happens naturally, active transport is a more controlled process that allows cells to maintain specific concentration of certain substances critical to their functions.
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n an attempt to save money, the lunchroom staff sent out student questionnaires to see which foods students preferred. Once they knew students preferences, the lunch room staff would prepare the most popular foods, thereby reducing waste. Based on the student questionnaire data, what inference can the lunchroom staff make? A) Most students bring their lunch from home. B) Pizza is the favorite food of about one-third the students. C) All students would prefer to eat pizza over any other food. D) Students have no preferences regarding the food they eat for lunch.
Answer:
B
Explanation:
Pizza is the favorite food of about one-third the students.
In an attempt to save money, the lunchroom staff sent out student questionnaires to see which foods students preferred, and it was found that pizza was the favorite food of about one-third of the students who chose Option B.
What exactly is food waste?The food is important for the animals as well as plants and other living individuals as it gives them energy when cells use the food in cellular respiration, and based upon the energy most of the work is done, such as body repair, cell division, growth, etc. As the population grows, the rate of food cultivation cannot keep up to feed everyone, so food waste must be avoided so that everyone gets the required amount of food.
Hence, in an attempt to save money, the lunchroom staff sent out student questionnaires to see which foods students preferred, and it was found that pizza was the favorite food of about one-third of the students who chose Option B.
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The question is incomplete, the complete question is here
Favorite Lunch Entrees Pizza 35%, Nachos 26%, Other 16%, Mystery Meat 14%, 'Fried Blue Jay 9%, In an attempt to save money, the lunchroom staff sent out student questionnaires to see which foods students preferred. Once they knew students preferences, the lunch room staff would prepare the most popular foods, thereby reducing waste_ Based on the student questionnaire data, what inference can the lunchroom staff make?
Most students bring their lunch from home:
Pizza is the favorite food of about one-third the students
All students would prefer to eat pizza over any other food
Students have no preferences regarding the food they eat for lunch:"
What are the monomers and polymers of proteins called? how many are there of each?
The monomers of the proteins are the subunits of the proteins and are called amino acids. There are generally 20 standard amino acids that can form proteins of several kinds. Amino acids are joined by peptide bonds.
What are the different forms of the proteins?The proteins are of many types, such as primary, secondary, tertiary, and quaternary, depending upon their conformation and arrangements of the bonds. The 20 standard amino acids participate in the translation process and form the polypeptide chain, whereas in the primary structure, all amino acids are only linked by peptide bonds. In secondary confirmation, the alpha and beta forms are seen, but there is no bond seen among the side chains, while in tertiary, the non-covalent bonds are seen, and in quaternary, more than one polypeptide chain is present.
Hence, monomers of proteins are amino acids, and polypeptides are polymers composed of 20 amino acids.
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The primitive digestive cavity of the gastrula, which is lined with endoderm
How many years does a nurse practitioner go to school?
The brain and its surrounding structures fill the ____________ cavity.
The area of the skull where the brain is housed is known as the cranial cavity or intracranial space. The term “cranium” refers to the skull without the mandible.
What is main function of cranial cavity in brain?The meninges, the cerebrospinal fluid, and the brain are all housed in the cranial cavity. The brain's main job is to provide information to the body's other organs and help them work together as a whole.
The tentorium is shown here. Tentorium cerebelli is the name of the organ. It divides the cerebrum, which is located above the cerebellum, from the rest of the cranial cavity.
The neurocranium, which in humans includes the skull top and creates the protective cover around the brain, is made up of eight cranial bones that together constitute the hollow.
Therefore, cranial cavity that surround the brain.
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The correct order of substances from most acidic to most alkaline is _______, ________, __________.
To rank substances from most acidic to most alkaline, consider their pH impact and indicator colour changes. Sulfuric acid (H2SO4) is most acidic, followed by NH4NO3 and NaCN, with NaCl being neutral and NaOH most alkaline.
To determine the correct order of substances from most acidic to most alkaline, we must consider the properties of each substance and their effect on a universal indicator. Acidity and basicity can be measured using the pH scale, where lower numbers (0-6) indicate acidity, 7 indicates neutrality, and higher numbers (8-14) represent basicity or alkalinity. In the list provided, sulfuric acid (H₂SO₄) is a strong acid and will produce a dark red colour with a universal indicator, indicating its position as the most acidic. Sodium hydroxide (NaOH) is a strong base and will generate a purple colour with the indicator, placing it as the most alkaline.
Other compounds such as sodium cyanide (NaCN), which is a weak acid, ammonium nitrate (NH4NO3), which is slightly acidic, and sodium chloride (NaCl), which is neutral, will fall in between these two extremes. Therefore, arranging the substances from most acidic to most alkaline, we get: H₂SO₄, NH4NO3, NaCN, NaCl, and NaOH.
A lion stores 100 energy units after eating zebra meat from the trophic level below it. How many energy units did the zebra meat have?
After eating zebra meat from the trophic level below it, a lion stores 100 energy units. Zebra must possess 1000 energy units.
What is trophic levels?An organism's trophic level is the position it holds in a food web. A food chain is a series of organisms that eat other organisms and may be eaten in turn. An organism's trophic level is the number of steps it has taken since the beginning of the chain. A trophic level is a step in an ecosystem's nutritive series or food chain. The feeding behaviour of organisms in a chain is used to classify them into these levels. The producers, or green plants, are found on the first and lowest level. A trophic level is a position or level in a food chain, food web, or ecological pyramid.Therefore,
The 10% rule is being applied. Because Lion stores 10% of its energy, this 10% of energy will be transferred between tropical levels.
so,
X/10=100
so the energy that the zebra was having= 10*100=1000J
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A pregnant woman at 22 weeks' gestation is diagnosed with gonorrhea. the health care provider (hcp) prescribes doxycycline. what should the nurse do first?
True or false: in a chemical reaction matter cannot be created or destroyed.
What is activation energy?
A.
energy required by the substrate to fit into the active site
B.
energy supplied by enzymes in a chemical reaction
C.
energy released when reactants combine to become products
D.
energy required to break the chemical bonds of the reactants
Activation energy is the energy required to break the chemical bonds of the reactants in a chemical reaction.
Explanation:The correct answer is D. Activation energy is the energy required to break the chemical bonds of the reactants in a chemical reaction. It is the minimum amount of energy needed for a reaction to occur. Activation energy acts as a barrier that the reactant molecules must overcome to undergo a reaction and form products. For example, when wood is burned in a fire, activation energy is needed to break the bonds between the carbon and hydrogen atoms in the wood and allow them to react with oxygen to produce carbon dioxide and water vapor.
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A permanent increase in size and dry mass is known as what
Nucleic acids _____.
are the largest of the four main biological macromolecules
determine whether an organism is a bacterium, tree, mouse, or human
are the building blocks of proteins
consist of DNA and RNA
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If you noticed chromosomes lined up near the middle of the cell, the cell would most likely be in
What organ stores bile and releases it in response to cholecystokinin?
The skeletal system offers support for the body, but it also offers protection. Explain how the position of the skeletal system in the body supports this
Answer:
The skeletal systems runs through virtually the entire body, allowing it to support the body and absorb shock during motion. However, it also protects several vital organs. The pelvic bones surround the internal reproductive structures and lower abdominal organs, the ribcage protects the digestive system, lungs, and heart, and the skull surrounds the brain.
plato answer
Explanation:
During his wrestling workout, damon loses about 4 pounds. he should consume ______ of water during or after his workout.
Human cells obtain energy from a reaction called cellular respiration. balance the skeletal equation for cellular respiration. c6h12o6(aq)+o2(g)→co2(g)+h2o(l) express your answer as a chemical equation. identify all of the phases in your answer.
Final answer:
The balanced chemical equation for cellular respiration is C6H12O6(aq) + 6O2(g) → 6CO2(g) + 6H2O(l) + Energy, showcasing the process of converting glucose and oxygen into water, carbon dioxide, and energy in living cells.
Explanation:
The question asks us to balance the chemical equation for cellular respiration, which is a fundamental biological process where cells convert glucose and oxygen into water, carbon dioxide, and energy. The balanced equation for cellular respiration is C6H12O6(aq) + 6O2(g) → 6CO2(g) + 6H2O(l) + Energy. This equation signifies that one molecule of glucose (C6H12O6) reacts with six molecules of oxygen (O2) to produce six molecules of carbon dioxide (CO2), six molecules of water (H2O), and energy, typically stored in the form of ATP (Adenosine Triphosphate).
Cellular respiration occurs in the cells of all living organisms, enabling them to obtain energy necessary for life processes. The glucose and oxygen in the reaction come from food and the air, respectively, reflecting the importance of respiration in energy metabolism. The products, carbon dioxide and water, are expelled from the body as waste materials.