The volume of the zinc beads will be 34.30 mL
The principle is such that a floating or sinking liquid will always displace its volume in any liquid.
As we know that floating or sinking liquid will always displace its volume in any liquid. So, the volume of the solid is calculated as the differences between the final and the initial cylinder readings.
Here initial reading = 42.55 mL,
final reading = 76.85 mL
Volume of zinc beads = 76.85 - 42.55
= 34.30 mL
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34.30 mL will be The volume of the zinc beads
The principle is that a floating or sinking object, liquid will always be displaced and volume of displaced liquid is equal to the volume of object.
So, the volume of the solid object is calculated as the differences between the final and the initial cylinder readings.
Vsolid = ΔV = V2 – V1.
V1 is the volume of the liquid.
V2 is the sum of the volume of the liquid and the solid object
Notice that V2 is greater than V1
Here initial reading=V1 = 42.55 mL, final reading=V2 = 76.85 mL
The volume of the solid object is
Volume of zinc beads = 76.85 - 42.55 = 34.30 mL
This is because the volume of the liquid and the volume of the solid object are additive.
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Identify the bonds and interactions that help maintain a protein's 3-dimensional shape or conformation.
The bonds that will help maintain the three-dimensional structure of a protein will be: disulfide bridges, hydrogen bonds, van der waal forces, ionic interactions and hydrophobic interactions.
What is the tertiary structure of a protein?As proteins are formed and folded, they will acquire different levels of folding which will help maintain a structure that will help them fulfill their cellular roles.
The levels of structure that are formed are built from the previous one, proteins can have a primary structure in which it has a linear succession of amino acids, a secondary structure in which it will already begin to have certain turns and folds adopting a configuration in spiral last and in the tertiary structure thanks to the strong bonds that are formed by the disulfide bonds together with the weak bonds of the hydrogen bonds between the others that are formed, a globular structure will be acquired.
Therefore, we can confirm that the bonds that will help maintain the three-dimensional structure of a protein will be: disulfide bridges, hydrogen bonds, van der waal forces, ionic interactions and hydrophobic interactions.
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How is a mailing address analogous to biology's hierarchical taxonomic system?
Mailing address analogous to biology's hierarchical taxonomic system is written going from broader to narrower.
How is a mailing address analogous to biology's hierarchical taxonomic system?
Postal addresses are analogous to the hierarchical taxonomic system of biology in that each unit has a unique identifier. In postal addresses, the units are houses, and each of them belongs to a certain street in a certain suburb of a certain city. In taxonomy, the units are species and each of them belongs to a certain genus of a certain family of a certain order of a certain class. No two species have exactly the same taxonomic names, just as no two houses will have the same address.To learn more about mailing address analogous, refer to:
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A medical student is trying to visualize how the structures that make up the
valves inside the heart are positioned. Which model would be the most useful
in this situation?
A. A computer model showing the path of a red blood cell through
the body
B. A physical model of the internal parts of the heart
C. A mathematical model showing how blood pressure changes as
the heart beats
D. A conceptual model comparing the heart to a pump
if you were to take slices of potato and place them in distilled water, what would happen to the cells?
The potato slice cells would swell due to osmosis.
Osmosis is the process by which a solvent moves between two solutions with various solute concentrations over a semipermeable membrane. The solvent is transferred from the solution with the lower solute concentration to the solution with the greater solute concentration during osmosis. The smallest pressure that, when given to the solution phase, prevents the solvent from permeating a semipermeable membrane into the solution is known as osmotic pressure.
Osmosis is primarily driven by the reduction in Gibbs free energy that occurs along with the dilution of the solution. Moving a solvent from a greater solute concentration to a lower solute concentration is the process of reverse osmosis. When hydrostatic pressure exceeds osmotic pressure, this occurs.
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Males afflicted with Kartagener's syndrome are sterile because of immotile sperm, and they tend to suffer from lung infections. This disorder has a genetic basis. Suggest what the underlying defect might be.
Males afflicted with Kartagener's syndrome are sterile because of immotile sperm, and they tend to suffer from lung infections. This disorder has a genetic basis. underlying defect might be defects in the microtubule-based movement of cilia and flagella. sperm can't move because of malfunctioning or nonexistent flagella, and the airways compromised because cilia that line the trachea malfunction or don't exist, and so mucus cannot be cleared from the lungs.
Kartagener's syndrome is a rare, autosomal recessive genetic ciliary disorder comprising the triad of situs inversus, chronic sinusitis, and bronchiectasis. The basic problem lies in the defective movement of cilia, leading to recurrent chest infections, ear/nose/throat symptoms, and infertility.Kartagener syndrome, by definition, is a triad of situs inversus, bronchiectasis and chronic sinusitis, and is a subdivision of PCD. It can cause abnormal sperm motility and infertility in men, and can also cause infertility in women because of impaired cilia motility in fallopian tubesto know more about cilia and flagella click here
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The secondary, but not the primary, immune response is based on which component?:
The secondary, but not the primary, an immune response is based on memory.
An immune response can be described as the way a body fights when an antigen or foreign particle is detected.
A primary response is generated when a particular antigen invades a body for the very first time. As a result of this antigen, effector lymphocytes and memory cells are made.
The memory cells remember the antigens so that a quicker response can be generated when the particular antigen invades the body again. Hence, the secondary response is based on memory. Due to this memory, a secondary response occurs at a much faster rate, and also the immune cells are able to fight strongly.
Although a part of your question is missing, you might be referring to this question:
The secondary, but not the primary, immune response is based on which component:
A Memory
B The bonus effect of multivalency
C Complement activation
D Mast cell degranulation
E Clonal selection
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A student drew the following flowchart to show the movement of nutrients.
Soil Roots→Plants → Animals
Which process is likely to be occurring in the plant's roots?
A. Photosynthesis
B. Water transpiration
C. Burning of fossil fuels
OD. Nitrogen fixation
Answer:
B
Explanation:
B is the true line i think
Based on the given flowchart (Soil Roots→Plants → Animals), the process likely to be occurring in the plant's roots is: Nitrogen fixation. The correct option is D.
What is water transpiration?The evaporation of water from plants is known as transpiration. As much as 99.5% of the water received by a plant's roots is surplus water that transpires out of the plant rather than being used for growth or metabolism.
Additionally, the movement of water and nutrients from the roots to the shoots is accelerated by transpiration. As a result, transpiration mechanisms have an impact on the global carbon and hydrological cycles as well as the yield and survival of agricultural species.
This is because nitrogen fixation is the process where atmospheric nitrogen is converted into a form that plants can absorb through their roots and use as nutrients.
Therefore, the correct option is D.
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Many spontaneous reactions occur very slowly. Why don't all spontaneous reactions occur instantly?
Many spontaneous reactions occur very slowly and all spontaneous reactions occur instantly because if the spontaneous reaction has a high activation energy that is rarely attained, the rate of the reaction may be low.
What is a Spontaneous reaction?This refers to the type of reaction which proceeds on its own and favors the formation of the products without an external energy being added to the system.
In a chemical reaction, the activation energy which is the minimum amount of energy that must be provided for a chemical reaction to occur varies according to different factors.
In a situation whereby the spontaneous reaction has a high activation energy, it becomes difficult for it to be attained and the reaction is slower while if the activation energy is low then then it is easier for it to be attained and the reaction is faster.
This is therefore the reason why all spontaneous reactions won't occur instantly.
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Compared with ³¹P , the radioactive isotope ³²P has a. a different atomic number. b. one more proton. c. one more electron. d. one more neutron.
Compared with ³¹P , the radioactive isotope ³²P has one more neutron.
Radioactive isotopes is an unstable element form which breaks down into simpler form releasing the energy in the form of radiation to become more stable.
They usually have short life span and decay to stable form hence they are present only in small quantities.
Radioactive isotope of P-32 have 15 protons, and 17 neutrons while the common isotope of P-31 have 15 protons and 16 neutrons.
Radioactive P-32 have application in laboratory to label DNA and proteins to treat various diseases.
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Three-chambered hearts with incomplete septa were once viewed as being less adapted to circulatory function than mammalian hearts. What advantage of such hearts did this viewpoint overlook?
Because some oxygen-depleted blood from the systematic circuit that was returned to the right ventricle would have mixed with the oxygen-rich blood in the left ventricle, the O2 level would be unusually low.
Why do certain animals' hearts have three chambers?Amphibians and reptiles have three chambers in their hearts for the following reasons: Their lower metabolic rates result in a lower oxygen need per litre of blood. A frog's heart, for example, contains three chambers: one ventricle and two atria.
What are the advantages of a three-chamber heart?A three-chambered heart is preferable to a two-chambered heart because it can exert greater pressure on the blood arteries to guarantee that oxygenated blood flows into the body and deoxygenated blood is sent to the lungs.
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Which of the following animals generally has the lowest volume of urine production? a. vampire bat b. salmon in fresh water c. marine bony fish d. freshwater bony fish
The following animals generally has the lowest volume of urine production
c. Marine bony fish
All bony fish have segmented fin rays that are derived from their epidermis and sutures in their neurocranium. Both bony fish and cartilaginous fish have gills for breathing, but the gills of bony fish are protected by a hard, bony plate. Bony fish may also have prominent rays, or spines, in their fins; this characteristic is known as a "operculum".
Bony fish, in contrast to cartilaginous fish, have swim or gas bladders to control their buoyancy. On the other hand, cartilaginous fish require constant swimming to maintain buoyancy.
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The unicellular glands that directly and specifically secrete mucus are also called ________ cells.
The unicellular glands that directly and specifically secrete mucus are also called goblet cells.
In order words, goblet cells are refers to unicellular glands which directly and specifically secrete mucus.
These goblet unicellular gland cell are of economic importance as they help in the production and maintenance of the protective mucus blanket by producing molecular glycoproteins called mucins.
Unicellular glandsThese are gland which functions only as a single gland and are characteristized by just single cells only.
So therefore, the unicellular glands that directly and specifically secrete mucus are also called goblet cells and are of great economic importance simply because they help in the production and maintenance of the protective mucus blanket by producing molecular glycoproteins called mucins.
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When dna fragments are separated using gel electrophoresis and transferred to a blot it is called a:____.
When DNA fragments are separated using gel electrophoresis and transferred to a blot it is called a southern blot.
In the field of molecular biology, we can define southern blot as a method through which a particular DNA fragment is detected from amongst a DNA sample.
The method of southern blotting has important uses such as the detection of diseases, for finding out a DNA segment in a DNA library.
In the method of southern blotting, the DNA sample is first cut by using restriction enzymes. Then the sample is run by the method of gel electrophoresis due to which the smaller segments move at a faster speed than a larger one along a matrix. The DNA segments are then transferred to a blot. The DNA is marked by a tag, referred to as a probe, using radioactive, fluorescent or any other technique. This tag will allow the detecting of our desired DNA segment when a complementary segment is run referred.
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the bev doolittle print of ""the forest has eyes"" exemplifies the way affects perceptual organization.
The Bev Doolittle print "The Forest Has Eyes" that exemplifies the way Meaningfulness affects of perceptual organization.
Perceptual organization basically refers to the ability to impose the organization on the sensory data, so as to group the sensory primitives arising from the common underlying that cause. The existence of this sort of the organization in the human perception, including the vision, that was emphasized by the Gestalt psychologists. For example, draw the circle in a paper and do not close it. When you show that this figure to someone else, the first thing that will see in a circle, and it is later when the the incompleteness of the circle will be register in his mind. This is because his mind has been already perceived the figure as of the circle
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The movement of water in and out of the renal tubules can be increased or decreased. the tubular cells are able to do this, by changing the number of water channels, also called?
The movement of water in and out of the renal tubules can be increased or decreased. the tubular cells are able to do this, by changing the number of water channels, also called Aquaporins.
Nephrons are the structural and functiona unit of kidney. It is divided into different parts like glomerulus, proximal convulated tubule, distal convulated tubule, loop of henle and collecting duct which performs different function of urine formation.
Renal tubule is the part of the nephron that consist of proximal convulated tubule, distal convulated tubule, loop of henle.
Renal tubules have water channels called aquaporins which helps in transporting water into the cell. They can increase or decrease the number of water channel to control the concentration of urine.
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An Indy car travels around the track under the yellow flag at a constant speed of 150 mph. Describe the car's acceleration.
jamuar, s.s., and walsh, c.a. (2015). genomic variants and variations in malformations of cortical development. pediatr. clin. north am. 62, 571–585.
Differences in the sequence of DNA among individuals are named genetic variation. Genomic variation describes some of the differences among people, such as eye color and blood group, as well as whether a person has a higher or lower risk for acquiring particular diseases
What stand genomic variants?
Genomic variation refers to DNA sequence distinctions among individuals or populations. Some variants affect biological function (such as a mutation that generates a genetic disease), while others have no biological consequences
What is the difference between interpretations and mutations?
Mutation and variation are two concurrent events involved in the process of evolution. The main difference between mutation and interpretation is that mutation is an alteration in the nucleotide sequence of a gene whereas variation is any distinction between individuals of a particular species.
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Which of the following is not properly paired? a. seminiferous tubule-cervix b. vas deferens-oviduct c. testosterone-estradiol d. scrotum-labia majora
The answer is the seminiferous tubule cervix.
What is a seminiferous tubule?
The seminiferous tubules offer a special setting for the development of germ cells. Germinal components and supporting cells are included in the structures engaged in this process. The Sertoli cells and the basement membrane's peritubular cells are examples of supporting cells. The germinal elements are made up of a population of epithelial cells, including spermatogonia, which proliferate quickly, spermatocytes going through meiosis, and metamorphosing spermatids. The "blood-testis barrier" is another habitat that is produced by the seminiferous tubule. Although the maturing germ cells in the testis are potentially antigenic and identifiable as foreign, no immune reactivity is often seen there. This makes the testis distinctive.
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the fibrin clot begins to form when fibrinogen is cleaved resulting in a fibrin monomer, fibrinopeptide a, and fibrinopeptide b fragments. the fibrin monmers sponaneously polymerize due to hydrogen bonding, and then are covalently linked into fibrin polymers by which factor?
The factor involved in the process is Factor XIII.
What is clotting of blood?Blood is said to clot when a solid mass appears over the point where the skin has been injured. The appearance of a clot would stop the bleeding over the point that has been affected by the injury.
There are many biological factors that contribute to the clotting of blood. The fibrin clot begins to form when fibrinogen is cleaved resulting in a fibrin monomer, fibrinopeptide a, and fibrinopeptide b fragments. The fibrin monomers spontaneously polymerize due to hydrogen bonding, and then are covalently linked into fibrin polymers by Factor XIII.
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The jelly-like substance found within cells that provides the fluid medium necessary for biochemical reactions is called ________.
The jelly-like substance found within cells that provides the fluid medium necessary for biochemical reactions is called: cytoplasm
The cytoplasm is a fundamental part of the cell, it is a jelly-like liquid inside the cell that is located under the cell membrane covering the nucleus. The cytoplasm is composed of the cytosol, the cytoskeleton and organelles.
What is a cell?
A cell is the most basic and smallest form of life that exists in a living being, its parts are the membrane, the cytoplasm and the organelles including the nucleus.
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How does mass relate to inertia
Answer:
Inertia is directly proportional
Explanation:
Inertia increases as the mass of an object increases. Inertia is directly proportional to the mass, that is, inertia increases with the increase in the mass and decreases with the decrease in the mass. The SI unit of the mass is kg and the SI unit of the inertia is also kg.
Answer:
Objects with more mass have more inertia. Consequently, a very large rock will be harder to move than a small pebble. The same way, once the large rock starts to move, it will be harder to stop than the small pebble. MOMENTUM is a measure of inertia of motion. Then momentum relies on mass and velocity. We define momentum as the product of mass and velocity: m * v.
Explanation:
PLease please please help i really need this
In humans the kidneys control the amount of water, salts and other solutes leaving the body by sieving blood through their millions of twisted tubules. When a person drinks too much water in a short period of time, the kidneys cannot flush it out fast enough and the blood becomes waterlogged. Drawn to regions where the concentration of salt and other dissolved substances is higher, excess water leaves the blood and ultimately enters the cells, which swell like balloons to accommodate it.”
How could the process of osmosis explain this phenomenon? Support your answer with evidence from the text above.
Type your answer in the space below
Water molecules moves from the diluted blood to cells where there are more dissolved solutes across the cell membranes through the process of osmosis.
What is osmosis?
Osmosis is the process by which water moves across a semi-permeable membrane from regions of low solute concentration to regions of low solute concentration.
The movement of water molecules is down their concentration gradient as the fewer number of solute molecules in one region of results n water molecules moving across the semi-permeable membrane to where there are fewer water molecules.
When an individual takes in water more than the kidney can remove from blood at a given time, the water molecules moves from blood to cells where there are more dissolved solutes across the cell membranes through the process of osmosis.
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Q: Use the equation for aerobic respiration to explain why the air that you exhale contains more carbon dioxide than the air that you inhale.
The equation:
glucose + oxygen = carbon dioxide + water
The exhaled air incorporates extra carbon dioxide due to the fact the carbon dioxide produced in the course of respiration is removed out of the frame because the exhaled air throughout the method of respiration.
Whilst we exhale, we breathe out less oxygen but greater carbon dioxide than we inhale. The carbon we breathe out as carbon dioxide comes from the carbon in the food we eat.
For that reason, inhalation is while we take in air containing oxygen. similarly, exhalation is whilst we give out air rich in carbon dioxide. they're the basic process of respiration. expanded muscle hobby manner multiplied use of oxygen, elevated production of glucose-forming ATP and, consequently, elevated ranges of carbon dioxide. Carbon dioxide diffuses from the cells into the blood.
Exhaled air which incorporates: greater carbon dioxide produced as a waste manufactured from energy manufacturing. less oxygen as it has been used in respiration.
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What is the primary function of carbohydrates attached to the exterior of cell membranes?.
Answer:
So the primary function of those carbohydrates attached the exterior of the cell is going to be identification of the cell. That's the answer
Explanation:
hopes it help
The cell membrane is _______ (or selectively permeable), meaning it controls the passage of molecules in and out of the cell. p/orn
Answer: The answer is semipermeable
Explanation:
rearrange the list of structural hierarchy in the body in order of complexity, so that the least complex level is first and the most complex is last.
structural hierarchy in the body in order of complexity, so that the least complex level is first and the most complex is last
Atom, Cell, Tissue, Organ, Organ System, Organism
The human body's biological functions are preserved at several levels of structural organization. The following levels are included: chemical, cellular, tissue, organ, organ system, and organismal. Organizational hierarchy is built up from lower levels. Therefore, molecules combine to create molecules, molecules create cells, cells create tissues, tissues create organs, organs create organ systems, and organ systems create beings
structural hierarchy is very helpful in studying the characteristics of the organisms.
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Our brain receives more action potentials when our eyes are exposed to light even though our photoreceptors release more neurotransmitter in the dark. Propose an explanation.
Rod and cone cells use glutamate as their signal, and they release less glutamate when exposed to light. But as glutamate production declines, other retinal cells speed up the transmission of action potentials to the brain, resulting in more action potentials reaching the brain in light than in darkness.
When exposed to light, do photoreceptors release more neurotransmitters?Increases in light intensity cause photoreceptors to release less glutamate, which lowers the membrane's potential and results in hyperpolarization, while decreases in light intensity cause photoreceptors to release more glutamate, which raises the membrane's potential and results in membrane depolarization.What neurotransmitter are released by rods and cones?Rods and cones produce glutamate as a neurotransmitter. A cation channel is gated by kainate-type glutamate receptors, which are present in some bipolar cells. This receptor responds to glutamate by opening the cation channel.To learn more about neurotransmitters visit:
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What biological process allows humans, mammals, and birds to maintain high body temperatures?.
Answer:
Cellular Respiration
Explanation:
Cellular Respiration allows animals to generate energy by burning off fat. Cellular Respiration generates heat so that fat can be burned off.
When you breathe, oxygen moves from your lungs into your blood and then into tissues. To do this, oxygen moves across membranes by ______ and from ______ concentration of oxygen.
When you breathe, oxygen moves from your lungs into your blood and then into tissues. To do this, oxygen moves across membranes by diffusion and from higher to lower concentration of Oxygen.
What occurs after oxygen leaves the lungs and enters the blood?The air sacs' flimsy lining allows oxygen from the inhaled air to cross across and enter the blood vessels. Diffusion refers to this. The bloodstream then transports the oxygen in the blood throughout the body, allowing it to reach every cell. The bloodstream releases carbon dioxide as oxygen enters it.
Diffusion is the process of movement of molecules higher to lower concentrations.
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Predict the number of signals expected in the proton spin decoupled 13c spectrum of p-dibromobenzene (1,4-dibromobenzene).
2 number of signals is expected in the proton spin decoupled 13C spectrum of p-dibromobenzene (1,4-dibromobenzene).
It is well known that the proton spin decoupled 13C spectrum of p-dibromobenzene (1,4-dibromobenzene) should show two signals. However, it has been recently reported that only one signal is observed in this spectrum.
There are two possible explanations for this discrepancy. Firstly, it is possible that the p-dibromobenzene molecule is not actually proton spin decoupled. In this case, the spectrum would only show one signal because the proton and carbon spins would be coupled together.
Alternatively, it is possible that the molecule is proton spin decoupled, but that the 13C signal is very weak and is only detectable when the molecule is in a very high energy state. This would explain why only one signal is observed in the spectrum.
Further experiments are required to determine which of these explanations is correct. In the meantime, it is important to be aware that the proton spin decoupled 13C spectrum of p-dibromobenzene may not show the expected two signals.
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