molecules must first be dissolved in the saliva to be tasted. T/F?
Answers
False. The statement that molecules must first be dissolved in saliva to be tasted is not entirely accurate. While it is true that saliva plays a role in the process of tasting, it is not the sole requirement for taste perception.
Taste buds, located on the tongue and other parts of the oral cavity, contain specialized sensory cells that can detect specific molecules and transmit signals to the brain, leading to the perception of taste. These taste cells have receptor proteins that interact with molecules present in food or beverages, triggering a signaling cascade that ultimately results in the sensation of taste.
Saliva helps in the dissolution and spreading of taste molecules across the taste buds, aiding in the detection and perception of taste, but it is not the only factor involved. Taste perception can occur even when molecules are directly in contact with the taste buds, bypassing the need for complete dissolution in saliva.
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Related Questions
Three molecules of calcium metal and one molecule of nitrogen gas react to form one molecule of solid calcium nitride.
Write the equation
Answers
Answer:
The equation is:
3Ca + N2 → Ca3N2
How does the nitrogen and phosphorous in agricultural runoff affect organisms in coastal waters?
Answers
In griffith’s experiments, what made the harmless r cells grow capsules when exposed to heat-killed s cells?.
Answers
In Griffith’s experiments, DNA made the harmless r cells grow capsules when exposed to heat-killed s cells.
What is an experiment?An experiment is a study which is done to provide an answer to a research question or an observation.
Experiments are done to prove or disprove hypothesis about an observation.
In Griffith’s experiments, harmless r cells grew capsules when exposed to heat-killed s cells. This was because of the DNA which were responsible for production of the protein capsules.
In conclusion, DNA are used to synthesize proteins.
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What protein(s) is involved with color vision deficiency
Answers
Answer:
Human red and green cone proteins differ by only 15 amino acids. Hence, the color blindness arises from either mutations or lack of one or more
Explanation:
changes in body size or beak shape to avoid competition with another similar species is termed:
Answers
The phenomenon of changes in body size or beak shape to avoid competition with another similar species is known as character displacement.
This process occurs when two species that occupy similar niches in an ecosystem compete for resources. Over time, natural selection favors individuals within each species that have traits that allow them to use different resources or occupy slightly different habitats, reducing competition between the two species. One common outcome of character displacement is a divergence in body size or beak shape between the two species, which allows them to more efficiently utilize different resources in their shared environment. This can ultimately lead to the formation of new species over long periods of time. Character displacement is an important mechanism in evolutionary biology and is one example of how competition between species can drive adaptive changes.
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Since mucus-producing cells and cilia are sparse in the bronchioles and alveoli, how does the body remove microorganisms that make their way into the respiratory zone?.
Answers
The body removes microorganisms that make their way into the respiratory zone in several ways such as the macrophages and other cells that reside in the respiratory system's distal regions. These cells identify and engulf microorganisms, breaking them down and removing them from the respiratory system in this way.
This is facilitated by the fact that the epithelial cells lining the respiratory system are covered with small hair-like projections known as cilia. The cilia in the upper respiratory tract propel mucus and trapped microorganisms up and out of the lungs. Coughing and sneezing help in this process.Apart from this, some alveolar macrophages also engulf microorganisms that make it to the alveoli. In addition, some cells in the lungs produce an enzyme called lysozyme that can break down the walls of certain bacteria.Explain:As we know that the bronchioles and alveoli are parts of the lungs where gases exchange takes place between air and the bloodstream.
In these parts, there are fewer cilia and mucus-producing cells as compared to other parts of the respiratory system. Cilia are tiny, hair-like structures that line the airways of the respiratory system and help to move mucus out of the lungs. While mucus-producing cells produce a sticky liquid called mucus which is helpful in trapping dust, bacteria, and other debris.In case any microorganisms enter the respiratory zone through the bronchioles or alveoli, the body removes them by the action of cells such as macrophages and other cells that live in the distal part of the respiratory system. Moreover, some cells in the lungs produce an enzyme known as lysozyme that can break down the walls of specific bacteria.
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Man-made ozone at Earth's surface, bluish in color, and can cause breathing difficulty is
what form of ozone?
Answers
Answer:
Bad form.
Explanation:
Bad form of ozone causes breathing difficulty due to its availability near the surface of earth and its composition. Ozone is not emitted directly into the air, it is created due to the chemical reactions between oxides of nitrogen and volatile organic compounds. When these pollutants react with each other in the presence of sunlight, ozone is produced which leads to difficulty of breathing as well as damages the vegetation so this ozone is considered as bad ozone.
Construct Explanations Based on evidence from your model, explain how hotspot volcanoes change Earth's surface. When there are tectonic plates
Answers
Answer:
High heat and lower pressure at the base of the lithosphere (tectonic plate) facilitates melting of the rock. This melt, called magma, rises through cracks and erupts to form volcanoes. As the tectonic plate moves over the stationary hot spot, the volcanoes are rafted away and new ones form in their place.
Explanation:
Visit a fish farm in fish breeding season and note the following
Answers
The breeding season for fish varies depending on the species and the region.
1) Varieties of fish in the ponds: Depending on the fish farm, different varieties of fish may be present in the ponds. Common varieties may include tilapia, catfish, trout, and salmon.
2) Types of Ponds: The type of pond used will depend on the type of fish being raised. Common ponds include earthen ponds, tanks, raceways, and cages.
3) Feed Ingredients: The type of feed ingredients used in the farm will depend on the type of fish being raised. Common feed ingredients may include fish meal, soybean meal, corn, wheat, and other grains.
4) Production Capacity: The production capacity of the fish farm can be determined by the size of the ponds, the number of ponds, and the number of fish in the ponds. It can also be determined by the amount of feed used and the amount of time the fish take to reach market size.
What is a Fish farm?
A fish farm is a water-based aquaculture facility designed to breed, raise, and harvest aquatic animals such as fish, crustaceans, mollusks, and aquatic plants. Fish farms are usually located in coastal areas or near large bodies of water such as rivers, lakes, or oceans. They are used to produce food for both human consumption and for sale in the aquarium trade.
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Complete question:
Visit a fish farm in fish breeding season and note the following:
(1) Varieties of fish in the ponds.
(2) Types of ponds.
(3) Feed ingredients being used in the farm.
(4) Find out what the production capacity of the farm is.
What technique is used to assess frequency changes seen when a skeletal muscle generates different levels of force production?
Answers
The technique used to assess frequency changes seen when a skeletal muscle generates different levels of force production is electromyography (EMG).
Electromyography (EMG) is a technique that involves the placement of electrodes on the surface of the skin or directly into the muscle to measure the electrical activity produced by muscle fibers during contraction.
By analyzing the frequency and amplitude of the EMG signal, researchers can gain insights into the recruitment and activation patterns of muscle fibers during different levels of force production. This information can help identify changes in motor unit activation and muscle fiber recruitment, which are important factors in understanding the mechanisms underlying muscle performance and fatigue.
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tatuo aida what progeny genotype would you expect for a cross between a homozygous red fish and a white fish?
Answers
For a cross between a homozygous red fish and a white fish, the progeny genotype would be Rr.
The genotype is the entire set of genes that are present in an individual, including those responsible for observable characteristics and those that are not. Genotypes can be homozygous, which means they contain two identical alleles for a specific trait, or heterozygous, which means they contain two different alleles for a specific trait.
In this question, the homozygous red fish contains two identical alleles for red coloration, which is denoted as "RR." On the other hand, the white fish does not have any alleles for red coloration, which is denoted as "rr."
As a result, when these two fish are crossed, all of the offspring will have one allele for red coloration (R) and one allele for white coloration (r), making them all Rr heterozygotes.
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antibodies ______ . a. produce granzymes that puncture bacterial cell membranes b. tag pathogens for destruction by other cells c. lyse infected cells with perforins destroy pathogens directly
Answers
Antibodies tag pathogens for destruction by other cells. They produce granzymes that puncture bacterial cell membranes, lyse infected cells with perforins, and can also directly destroy pathogens.
What are antibodies? Antibodies are a protein produced by a type of white blood cell called a B cell that helps in the recognition of and responses to invading antigens (foreign substances). Antibodies are also referred to as immunoglobulins.
Antibodies are capable of targeting specific pathogens in the body, such as viruses, bacteria, and fungi, as well as recognizing and tagging them for destruction by other cells. Antibodies can identify and attach to pathogens, allowing other cells in the immune system to identify and destroy them. Some antibodies bind to and inhibit the ability of the pathogen to infect cells, while others tag the pathogen for destruction by other cells (e.g., macrophages) that can engulf and digest the pathogen.
Antibodies assist in the recognition of antigens on the surface of cells or in bodily fluids by the immune system. They are made up of four polypeptide chains that are linked together by disulfide bonds, and they have two identical ends that are antigen-specific. Antibodies protect the host by neutralizing pathogens in a variety of ways, including complement activation, opsonization, and activation of the adaptive immune response.
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What two organelles are included
in the endosymbiosis theory?
A. mitochondria and chloroplast
B. nucleus and ribosome
C. mitochondria and Golgi body
Answers
Answer:
mitochondria and Golgi body
although mendel did not know that random orientation of homologous chromosome pairs during metaphase i leads to random allele combinations of different genes in gametes, he created the law of , which deduced this phenomenon.
Answers
Although Mendel did not know that the random orientation of homologous chromosome pairs during metaphase I lead to random allele combinations of different genes in gametes, he created the law of Independent Assortment, which deduced this phenomenon.
Thus, the correct answer is Independent Assortment.
Mendel’s lаw of independent аssortment stаtes thаt genes do not influence eаch other with regаrd to the sorting of аlleles into gаmetes, аnd every possible combinаtion of аlleles for every gene is equаlly likely to occur. The independent аssortment of genes cаn be illustrаted by the dihybrid cross, а cross between two true-breeding pаrents thаt express different trаits for two chаrаcteristics.
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How are the chromosomes in the eukaryotic cells different from those in prokaryotic cells
Answers
Answer: Eukaryotic chromosomes are in the nucleus and prokaryotic chromosomes are in the nucleoid.
Explanation: The main difference is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells don't have a nucleus.
Which of the following air pollutant can be released by natural wild fires?
ozone
mercury
smog
carbon monoxide
Answers
Answer:
the answer i got was ozone
Answer:
carbon monoxide
Explanation:
I need help! Please!
1. Think about and describe how the organism might move around and how it might eat.
2. Make a list of the organism’s features that might help it survive in its habitat.
3. Describe how each feature you listed is suited to its function.
Answers
Answer 1.- Well a duck is still a bird. So it has hollow bones that makes its body lighter.It eats insects, worms amphibians and plants, so it's an omnivore.2. It has hollow bones, it has an oily coating that prevents any water from settling in its duck feathers. 3. Feature no. 1-Makes body lighter so it's easier to swim, Feature 2- oily coating prevents water from getting into the feathers, preventing any water being absorbed into their bodies.
Explanation:
What stage of photosynthesis uses carbon dioxide to make glucose
Answers
Answer: Stage II
Explanation: The Calvin cycle takes over where the light reactions end. It uses chemical energy stored in ATP and NADPH (from the light reactions) and carbon dioxide from the air to produce glucose, the molecule that virtually all organisms use for food.
Answer: 2nd stage which Calvin Cycle
Explanation:
Stage 2
Calvin Cycle
It uses carbon dioxide from the air and water to convert it to the sguar or Glucose
Hope it helps
if a cell needs 180 molecules of ATP to perform a function within the cell,home many molecules of glucose and oxygen will be needed. Include in your answer the equation for cellular resperation and how its used to calculate the answer
Answers
Answer:
Fill in the word that completes each sentence.
Food contains a sugar called
glucose
which is broken down in a process called cellular
⇒ respiration.
This process uses
⇒ oxygen
Explanation:
The equation for cellular respiration is:
Glucose + Oxygen → Carbon Dioxide + Water + Energy (ATP)
What is cellular respiration?
Cellular respiration is the process by which cells convert the energy stored in food molecules into a form that can be used by the cell, called adenosine triphosphate (ATP). This process occurs in the mitochondria of eukaryotic cells, and in the cytoplasm of prokaryotic cells.
To calculate how many molecules of glucose and oxygen will be needed to produce 180 molecules of ATP, we can use the ratio of ATP produced per molecule of glucose and oxygen consumed.
The standard ratio of ATP produced per molecule of glucose is 36 ATP per molecule of glucose. Therefore, to produce 180 molecules of ATP, the cell would need to consume 5 molecules of glucose.
The standard ratio of ATP produced per molecule of oxygen is 4 ATP per molecule of oxygen. Therefore, to produce 180 molecules of ATP, the cell would need to consume 45 molecules of oxygen.
So, the cell would need 5 molecules of glucose and 45 molecules of oxygen to produce 180 molecules of ATP through cellular respiration.
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5. A diff-jumper of mass 68.0 kg stands on the edge of a cliff and possesses 16,800 J of potential energy.
How high up is this lunatic from the base of the cliff?
Page 1 of 1
Answers
Answer:
Explanation:
To determine the height of the cliff, we can use the formula for potential energy:
PE = mgh
where m is the mass of the object (68.0 kg), g is the acceleration due to gravity (9.8 m/s^2), and h is the height of the cliff.
Rearranging the formula to solve for h:
h = PE / (mg)
h = 16,800 J / (68.0 kg * 9.8 m/s^2)
h = 16,800 J / 658.4 N
h = 25.5 meters
Therefore, the diff-jumper is 25.5 meters high from the base of the cliff.
What chemical bond most likely stores the mos energy?
Answers
The chemical bond that typically stores the most energy is the covalent bond, specifically the triple bond, as it involves the sharing of the highest number of electrons.
Covalent bonds involve the sharing of electrons between atoms, resulting in the formation of a stable molecule. Within covalent bonds, there are variations in bond strength, which correspond to the amount of energy required to break the bond.
Among covalent bonds, triple bonds are generally the strongest and store the most energy. Triple bonds involve the sharing of three pairs of electrons between two atoms. Examples include nitrogen gas (N2) and acetylene (C2H2), where the nitrogen and carbon atoms form triple bonds, respectively.
The strength of a covalent bond depends on several factors, including the number of shared electron pairs and the types of atoms involved. Bonds with higher bond orders (such as double or triple bonds) tend to be stronger and store more energy compared to single bonds.
It is important to note that other types of chemical bonds, such as ionic bonds and metallic bonds, also play significant roles in storing and releasing energy, but in general, covalent bonds, particularly triple bonds, are known for storing the most energy.
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Discuss these two things that you learned in chapters 1-6
1.) Infancy
2.) influences of genes on tje environment and epigenetics
Be sure to thoroughly explain your understanding of these chosen topics.
Answers
Infancy is a period of rapid growth and development in which infants learn through their senses, form social bonds, and experience significant brain development. Genes and environmental factors interact through epigenetics, influencing an individual's development and long-term health.
InfancyInfancy is a period of development between birth and 2 years of age in which the infant grows and develops at a rapid rate. Infancy is characterized by rapid physical, cognitive, and social-emotional development. Infants learn through their senses, including hearing, seeing, touching, and smelling. They learn to recognize familiar faces and voices and develop social bonds with caregivers. During infancy, the brain undergoes significant growth and development. Infants form new synapses in the brain at an astonishing rate, and their brains develop rapidly during this period.
Influences of genes on the environment and epigeneticsGenes play a significant role in shaping an individual's development. Epigenetics is the study of how genes are regulated, and how they interact with environmental factors. Epigenetic changes can occur as a result of environmental factors, such as exposure to toxins or other environmental stressors. These changes can alter gene expression, leading to changes in an individual's physical, cognitive, and social-emotional development.
For example, research has shown that early childhood experiences, such as exposure to stress, can have long-term effects on the expression of genes that are involved in regulating the body's response to stress. These changes can affect an individual's physical and mental health throughout their life.
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Which Newton's law describes magnitude of a force?
A. First law
B. Second law
C. Third law
D.Law of gravitation
Answers
Answer:
B: Second Law
Explanation:
Got it right of Edge 2020
Answer: B
Explanation:
how do structures in living organisms compared with structures of non-living things such as construction cranes
Answers
Living things have the capacity to grow, procreate, and carry out metabolic processes. Biomolecules, the building blocks of living things, need energy to function.
They display the processes of breathing, digesting, movement, and excretion. These things are made of cells.
Ships, houses, and airplanes are examples of non-living things that do not develop or procreate. These substances are made of inorganic molecules and lack any vital metabolic processes for life. Non-living things do not contain any cells.
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Which statement best describes the cycling of carbon between the atmosphere and geosphere? Precipitation and condensation increasing the groundwater supply Glaciers melting due to an increase in global climate temperatures Volcanic activity releasing carbon into the atmosphere Trees and plants releasing carbon through respiration
Answers
Answer:
Volcanic activity releasing carbon into the atmosphere
Explanation:
In the geosphere, carbon enters when the dead and decaying matter takes the form of fossil fuels. From the biosphere, the carbon enters into the geosphere through these sources. A carbon reservoir is maintained in the geosphere through these sources. The process of weathering, erosion, and volcanic eruption exposes the carbon content of the geosphere into the atmosphere. Volcanic eruptions upturn the carbon content of the geosphere and expose them.
Answer:
Volcanic like the answer above
Explanation:
Took the test and got it right
Which of the following is most likely to cause the greatest decrease in the snake population?
Choose 1 answer:
A
A decrease in the mice population
B
A decrease in the hawk population
An increase in the grasshopper population
A decrease in the vulture population
Answers
Answer:
I believe the answer is A: a decrease in the mice population
Answer:
Maybe A
Explanation:
Because due to the fact that there is a shortage in mice might cause a decrease in snake population
The physical appearance of a living thing
Answers
Answer:
Living things have a variety of characteristics that are displayed to different degrees: they respire, move, respond to stimuli, reproduce, and grow, and are dependent on their environment.
I passed all my exams because of brainly!
Answers
Answer: sheesh
Explanation:
blood type can receive Rh+ or Rh- blood
Answers
Answer:
People with Rh- blood can give blood to both Rh- and Rh+ recipients. However, those with Rh+ blood cannot give to Rh- recipients. If a person receives blood from someone with an incompatible blood type, it can cause a life threatening immune system reaction.
Answer:
Have a nice day.
Explanation:
What are Polysaccharides?
Answers
Polysaccharides are long chains of monosaccharides linked by glycosidic bonds. Three important polysaccharides, starch, glycogen, and cellulose, are composed of glucose. Starch and glycogen serve as short-term energy stores in plants and animals, respectively. The glucose monomers are linked by α glycosidic bonds.