They eyespot of a Euglena is damaged. How will this affect the organisms basic function?

A. The Euglenea will lose flexibility

B. The euglenea will be unable to reproduce

C. The rate of photosynthesis in Euglenea will be reduced

D. The ability of the Euglenea to move away from light will be reduced

Plant cells have large, round vacuoles they primarily use for water storage so that will be option A.

A vacuole is a membrane-bound organelle found in plant, fungus, and animal cells, as well as certain protist, animal, and bacterial cells. Vacuoles are simply confined compartments filled with water holding inorganic and organic molecules in solution, including enzymes, while in certain situations they may also include solids that have been absorbed.

Vacuoles are generated by the fusing of several membrane vesicles and are just bigger versions of these. The organelle has no fixed form or size; its structure changes depending on the needs of the cell.

The role and relevance of vacuoles vary substantially depending on the kind of cell in which they are found, with plants, fungi, and some protists having far more prominence than animals and bacteria. In general, the vacuole performs the following functions:

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Complete question:

Plant cells have large, round vacuoles they primarily use for -

A) water storage

B) energy production.

C) protein synthesis.

D) waster removal

Answer:

incomplete information data is not complete so that is why we cannot answer it

The answer would be 20% (B)

Answer: Density, Volume, Shape

Answer:

ur 2nd option would be the best

The mutated amino acid at position 229 is arginine (Arg), and its substitution can potentially disrupt the 3D structure and alter the function of the protein due to changes in side chain properties and interactions.

Structure of the Amino Acids:

The wild-type amino acid at position 229 is not specified, so the structure cannot be provided.

The mutated amino acid is arginine (Arg), which has a side chain containing a positively charged guanidinium group.

Importance of the Position:

The specific position 229 in the protein sequence may be functionally significant, such as being involved in protein-protein interactions, binding sites, catalytic activity, or structural stability.

Without detailed knowledge of the protein, its function, and its structural context, it is difficult to determine the exact importance of this specific position.

Effects of the Mutation on Structure and Function:

The substitution of an amino acid at position 229 from the original to arginine can have various effects on protein structure and function.

Arginine's larger and positively charged side chain may introduce steric clashes or alter electrostatic interactions within the protein structure.

The mutation can potentially disrupt local or global protein folding, stability, or conformational changes, affecting its overall 3D structure.

The functional consequences of the mutation depend on the specific role of the amino acid at position 229, which can include changes in protein-protein interactions, enzymatic activity, substrate binding, or signal transduction pathways.

It is crucial to analyze the protein's structural context, available experimental data, and computational modeling techniques to gain a more accurate understanding of the specific effects of the mutation on the protein's structure and function in the given context.

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To identify the unknown alkali metal carbonate, we can first determine the number of moles of calcium carbonate produced and use stoichiometry to find the moles of the unknown carbonate that reacted. Then, we can calculate the molar mass of the unknown carbonate and compare it with the given options.

Step 1: Determine the moles of calcium carbonate produced.
0.986g of calcium carbonate / (100.09 g/mol) = 0.00985 mol

Step 2: Use stoichiometry to find the moles of the unknown carbonate that reacted.
The reaction between the unknown carbonate (M2CO3) and calcium chloride (CaCl2) can be represented as follows:
M2CO3 + CaCl2 → 2MCl + CaCO3

From the balanced equation, the mole ratio between M2CO3 and CaCO3 is 1:1. Therefore, the moles of M2CO3 that reacted are also 0.00985 mol.

Step 3: Calculate the molar mass of the unknown carbonate.
1.379g of the unknown carbonate / 0.00985 mol = 140.1 g/mol

Step 4: Compare the calculated molar mass with the given options.
A. Lithium carbonate (Li2CO3): 73.89 g/mol
B. Potassium carbonate (K2CO3): 138.21 g/mol
C. Sodium carbonate (Na2CO3): 105.99 g/mol
D. Cesium carbonate (Cs2CO3): 325.82 g/mol

The molar mass of the unknown carbonate is closest to the molar mass of potassium carbonate (Option B). Therefore, the unknown alkali metal carbonate is most likely potassium carbonate.

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The resulting saturated solution has ph = 9.00. Then the Ksp of Mg(OH)2 is 1.0 * 10^{-20}.

To solve this problem, we need to use the equilibrium expression for the dissolution of Mg(OH)2 in water:
Mg(OH)2(s) ⇌ Mg2+(aq) + 2OH-(aq)
The Ksp expression for this reaction is:
Ksp = [Mg2+][OH-]^{2}
We are given that excess solid Mg(OH)2 is shaken with 1.00 L of 1.0 M NH4Cl solution. This means that NH4Cl is a spectator ion and does not affect the equilibrium. Therefore, we can assume that the concentration of Mg2+ and OH- ions in the saturated solution is equal to the solubility of Mg(OH)2.
To calculate the solubility, we need to use the pH of the solution. We know that pH = 9.00, which means [H+] = 1.0 x 10^-9 M. Since Mg(OH)2 is a strong base, it will react with water to produce OH- ions:
Mg(OH)2(s) + 2H2O(l) ⇌ Mg2+(aq) + 2OH-(aq) + 2H2O(l)
The concentration of OH- ions can be calculated using the pH:
pH = -log[H+]
9.00 = -log[H+]
[H+] = 1.0 * 10^{-9} M
[OH-] = \frac{Kw}{[H+]} =\frac{ 1.0 * 10^{-14} M}{ 1.0 * 10^{-9} M} = 1.0 * 10^{-5} M
Since Mg(OH)2 dissociates to produce two OH- ions, the concentration of Mg(OH)2 in the saturated solution is:
[Mg(OH)2] = [OH-]^{2 }= (1.0 * 10^{-5} M)^{2} = 1.0 * 10^{-10} M
Finally, we can calculate the Ksp of Mg(OH)2 using the solubility:
Ksp = [Mg2+][OH-]^2
Ksp = (1.0 * 10^{-10} M)(1.0 *10^{-5} M)^{2}
Ksp = 1.0 * 10^{-20}
Therefore, the Ksp of Mg(OH)2 is 1.0 * 10^{-20}.

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An atom's radius is well under 1 nanometer, or one billionth of a meter.

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Answer:

Thermal, is mainly the heat trapped or in an object, such as a boiling water over a stove, its trapped and countinues to get hotter

Heat is basically the releasing of the energy that is contained in an object.

Thermal is the objects temperature, while heat is the Thermal energy that is released.

Explanation:

We know that 1 mole of sodium contains Avogadro number of atoms. - But we have to find the number of atoms in 0.2 mole of sodium. - Therefore 0.2 moles of sodium (Na) contains 12.046×1023atoms in it.

When glass is melted in a furnace, the temperature of the glass does not rise above its melting point because the heat energy supplied to the glass is used to overcome the intermolecular forces holding the glass molecules together, rather than increasing the kinetic energy of the molecules.

Glass is a non-crystalline solid that is formed by cooling a molten material without crystallization. When glass is heated in a furnace, the heat energy causes the molecules to vibrate more rapidly and with greater amplitude. As the temperature continues to increase, the amplitude of the vibrations becomes so great that the intermolecular forces between the molecules are overcome and the glass transitions into a liquid state.

During the melting process, the temperature of the glass remains constant because the heat energy supplied to the glass is used to break the intermolecular forces holding the glass molecules together, rather than increasing the kinetic energy of the molecules. This process is known as the heat of fusion, and it requires a specific amount of energy to break each intermolecular bond.

Once the glass has melted, additional heat energy can be added to increase the temperature of the molten glass. This additional energy is used to increase the kinetic energy of the molecules, causing the glass to expand and become less viscous.

In summary, when glass is melted in a furnace, the heat energy supplied to the glass is used to overcome the intermolecular forces holding the glass molecules together, rather than increasing the kinetic energy of the molecules. Therefore, the temperature of the glass remains constant during the melting process until all of the intermolecular forces have been broken.

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Answer: A FILTERING

Explanation:

WHEN YOU FILTER YOU SEPARATE (sorry for caps) btw can you check out my recent question plz

Note that the experiment described is the Rutherford Scattering Experiment invented by Ernest Rutherford for simulating alpha particle dispersion. See the procedure below.

Students might use the above contraption to simulate alpha particle dispersion by rolling the marble down the moveable slope towards the circular weight placed on the huge sheet of lined paper.

The scattering of alpha particles can be studied by measuring the angle of deflection using a protractor.

The significance of this experiment is that it contributes to our understanding of subatomic particle behavior, notably how alpha particles disperse when they contact with other particles. See a clearer image attached.

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Given, the relationship between p and c is given by the equation p^2 = c^3 - 4c. Where p and c are the positive are variables which changes with respect to time is p^2 = c^3 - 4c.

To find the derivative of p with respect to time t, are the differentiate  by keeping the c as a constant. The obtained equation is as follows:$$\frac{d}{dt}p^2 = \frac{d}{dt}(c^3 - 4c)$$Now, apply the chain rule of differentiation on the left-hand side, we get;$$\frac{d}{dt}(p^2) = 2p\frac{dp}{dt}$$The right-hand side becomes zero as the derivative of a constant is zero.

this is the required relationship between p and The given relationship between p and c is given by the equation p^2 = c^3 - 4c, where p and c are the positive variables that change with respect to time t.To find the derivative of p with respect to time t, differentiate the given equation with respect to t by keeping the c as a constant.The obtained equation is as follows:$$\frac{d}{dt}p^2 = \frac{d}{dt}(c^3 - 4c)$$Now, apply the chain rule of differentiation on the left-hand side, we get;$$\frac{d}{dt}(p^2) = 2p\frac{dp}{dt}$$The right-hand side becomes zero as the derivative of a constant is zero.

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To clean powder fouling, corrosion, and dirt from outside parts of the lower receiver and extension assembly, one should use the best quality cleaning materials and methods.

Powder fouling, corrosion, and dirt can accumulate on the outside parts of the lower receiver and extension assembly, making it hard to maintain the rifle. It is essential to clean the weapon regularly to maintain its efficiency and longevity.

The following cleaning materials are required for the cleaning process:

Cleaning solvent

Cleaning brush

Microfiber cloth

Lubricant

The best solvent to use when cleaning the rifle is a powder solvent. This is because it is specifically designed to remove fouling from firearms. It is also essential to use a cleaning brush made of brass, nylon, or synthetic material to avoid damaging the parts of the lower receiver and extension assembly.

Brass brushes are best for removing fouling, while nylon and synthetic brushes are gentle on the metal parts and help prevent corrosion. Avoid using a steel brush when cleaning the rifle since it may scratch or damage the surface of the metal.Lubricant is also essential in maintaining the rifle. It helps keep the moving parts smooth and minimizes friction between metal parts.

A high-quality lubricant should be used, and the excess should be wiped off with a microfiber cloth. To clean the weapon, apply the cleaning solvent onto the brush and scrub the outside parts of the lower receiver and extension assembly, then wipe it off with a microfiber cloth. Ensure the surface of the metal parts is dry before applying lubricant. Apply lubricant to moving parts of the weapon.

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The soluble copper chloride is obtained by evaporation and then by crystallization.

Copper chloride is a soluble salt that can be produced from the reaction between hydrochloric acid and copper oxide.

Soluble salts are obtained by crystallization.

The equation of the reaction is given below:

The soluble copper chloride is obtained by evaporation and then by crystallization.

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The oxidation number of vanadium in different molecule

VO2 + (light yellow) = V -2 x 2 = +1  so, V= +5

V2+ (violet) = +2  so, V= +2

VO2+ (blue) = V-2 = 2+ so, V= +4

V3+ (green) = 3+ so, V= 3+

The total number of electrons that an atom acquires or loses to establish a chemical bond with another atom is known as the oxidation number, also known as the oxidation state. Among them is vanadium. It can be in the +2, +3, +4, and +5 oxidation states. These states are purple (II), green (III), blue (IV), and yellow (IV), each of which has a different colour (V).

Hence, vanadium has different oxidation state.

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Answer:

fe

Explanation:

forms one binary compounds with chlorine

The signal travels by depolarization and repolarization.

A signal, also known as an action potential, travels down a neuron by the process of depolarization and repolarization. When an electrical signal reaches the axon hillock, it triggers the opening of ion channels, which causes an influx of positively charged ions into the cell.

This influx leads to a local depolarization, which then triggers more ion channels to open and continue the depolarization along the length of the axon.

At the same time, potassium ion channels open, allowing potassium ions to exit the cell, causing repolarization. This cycle of depolarization and repolarization propagates the signal down the axon until it reaches the axon terminal, where it triggers the release of neurotransmitters, transmitting the signal to the next neuron or effector cell.

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Answer:process of cellular respiration allows plants to break down glucose into ATP. ... Although plants use photosynthesis to produce glucose, they use cellular respiration to release energy from the glucose.

Explanation:

Answer:

climate change, dead zones, genetic engineering, pollutants, deforestation, soil degradation, waste, Over irrigation, salt buildup in soils, monoculture

Explanation:

Hopefully this'll help you!

Answer: B is a gas because its volume is less than the volume of the containers.

Explanation: hope this help bye

Answer:

B

Explanation:

I took the test

The proper order is Na > Mg > Si > P > Ar. As a result of the valence electrons' low nucleostatic attraction, sodium (Na) has the biggest atomic radius.

The electrons' orbitals get bigger and bigger as we go from top to bottom, increasing the atomic size.S and Ar are hence real. S is the largest element on the periodic table since it is on the left. Na has the most atoms of any of the other elements mentioned. Due to its position to the right of silicon, phosphorus will have a lower atomic radius for an uncharged atom than silicon. Due to its position to the right of silicon, phosphorus will have a lower atomic radius for an uncharged atom than silicon. The atomic radius grows in a group from top to bottom and decreases across a period, as seen in the figures below. The smallest element is therefore helium, whereas the largest is francium.

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ANSWER

2Ba + 2HBr → 2BaBr + H2

2BiCl3 + 3H2S → Bi2S3 + 6HCl

Br2 + 2KI → I2 + 2KBr

4Fe + 3O2 → 2Fe2O3

Answer:

\(3Mg _{(s)} + N _{2(g)} → Mg_{3} N _{2(s)}\)

\(Ba _{(s)} + 2HBr_{(g)} → BaBr _{2(s)} + H _{2(g)}\)

\(2BiCl_{3(s)} + 3H_{2} S _{(g)} → Bi _{2} S _{ 3(g)} + 6HCl _{(g)} \\ \)

\(Br_{2(g)} + 2KI _{(g)} → I _{2(g)} +2 KBr _{(g)}\)

\(4Fe_{(s)}+ 3O_{2(g)} → 2Fe_{2} O _{3(s)} \)

Answer:

Plastic pollution are harmful on land because;

Answer:

See explanation

Explanation:

The third law of thermodynamics states that "the entropy of a perfect crystal of a pure substance approaches zero as the temperature approaches zero" (Wikipedia).

One example of the third law of thermodynamics has to do with steam. Steam is gaseous water. Since it is a gas, its molecules are free to move around therefore its entropy is high. When the temperature of the steam is decreased below 100 degrees, the molecules of steam loose energy and turn into liquid water and do not move as freely as they did in the gaseous state. If the temperature is further decreased to yield ice at zero degrees, the molecules of water are "frozen" in their positions and the entropy of the system decreases to zero.

Also, the ions in ionic crystal solids move around when the substance is in solution or in molten state hence the substance conducts electricity. When the ionic substance is in solid state, the ions do not move about and the entropy of the solid system tends towards zero.

The molality ( of the solute) and the freezing point depression constant of the solvent. Option A

The freezing point is the temperature at which a liquid becomes a solid. At the freezing point, the particles in a liquid slow down and begin to arrange themselves in a repeating pattern, forming a solid. The temperature at which a particular substance freezes is called its freezing point and is dependent on the pressure and the purity of the substance.

For pure substances, the freezing point is a constant and is characteristic of that substance.

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Missing parts;

To calculate the freezing point of an ideal dilute solution of a single,nondissociating solute of a solvent,the minimum information one must have is: A. The molality ( of the solute) and the freezing point depression constant of the solvent. B. The same quantities as in b plus the freezing point of the pure solvent. C. All of the quantities in c plus the weight of the solvent. D. The molality ( of the solute).E. All of the quantities in c plus the molecular weight in the solute.

Answer:

its good but your answer

The rate law for the reaction is Rate = k[N2][H2][F2].

To explain this, we can use the data in the table below which shows the initial rate of the reaction at different concentrations of N2, H2, and F2:
| [N2] (M) | [H2] (M) | [F2] (M) | Initial Rate (M/s) |
| -------- | -------- | -------- | ------------------ |
| 0.01     | 0.01     | 0.01     | 5.0 x 10^-5         |
| 0.02     | 0.01     | 0.01     | 1.0 x 10^-4         |
| 0.01     | 0.02     | 0.01     | 1.0 x 10^-4         |
| 0.01     | 0.01     | 0.02     | 2.0 x 10^-4         |
From this data, we can see that when the concentration of N2 is doubled while keeping the concentrations of H2 and F2 constant, the initial rate of the reaction also doubles.

This indicates that the reaction rate is directly proportional to the concentration of N2.
Similarly, when the concentration of H2 is doubled while keeping the concentrations of N2 and F2 constant, the initial rate of the reaction also doubles.

This indicates that the reaction rate is directly proportional to the concentration of H2.
Finally, when the concentration of F2 is doubled while keeping the concentrations of N2 and H2 constant, the initial rate of the reaction also doubles.

This indicates that the reaction rate is directly proportional to the concentration of F2.
Putting these together, we get the rate law: Rate = k[N2][H2][F2].

In summary, the rate law for the reaction n2 + h2 + f2 → n2h2f2 is Rate = k[N2][H2][F2], as determined from the data in the table showing the initial rate of the reaction at different concentrations of the reactants.

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