The cell wall is a rigid structure that surrounds plant cells. The materials found in the cell wall protect the plant cells and give plants structural support.Which conclusion can be made given the above information?
The structures of different types of cell organelles are similar.

The functions of most cell organelles are hindered by their structures.

The structure of a cell organelle is directly related to its function.

The function of a cell organelle can change over time.

Answers

Answer 1

Answer:

Answer:

The correct answer will be option- The structure of a cell organelle is directly related to its function.

Explanation:

The cell wall is a layer formed around the plasma membrane of the plant cell which helps plant cell by providing stiffness and support to the cell. This cell wall provides protection to the plant cells.

Since the presence of cell wall around the plasma membrane shows that it has a specific function and serves an important function of the plant cell, similarly the structure of various organelles present in the cell is related to their function. The best-known example is the inner folding of the mitochondria called cristae to increase the surface area.

Thus, the selected option is the correct answer.

Answer 2

Answer: The structure of a cell organelle is directly related to its function because for example, us. Humans have cells throughout their body. In fact, these cells are all the same. But these cells don't perform the same tasks or else we wouldn't be able to walk, sleep, talk, breath, and bend the way we do.

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What is the molarity of a 50.0 mL solution that contains 0.0350 mol of sodium sulfate, Na2SO4?0.007 mol/L
0.07 mol/L
0.0007 mol/L
0.7 mol/l

Answers

Answer:

The molarity of a 50.0 mL solution that contains 0.0350 mol of sodium sulfate 0.7 $(moles)/(liter)$

Explanation:

Molarity is a concentration measure that indicates the amount of moles of solute that appear dissolved in each liter of the mixture.

So, the Molarity of a solution is determined by the expression:

$Molarity (M)=(number of moles of solute)/(volume)$

Molarity is expressed in units ( $(moles)/(liter)$ ).

In this case:

number of moles= 0.0350

Volume=50 mL=0.05 L (1 L= 1,000 mL)

Replacing:

$Molarity=(0.0350 moles)/(0.05 L)$

Molarity= 0.7 $(moles)/(liter)$

The molarity of a 50.0 mL solution that contains 0.0350 mol of sodium sulfate 0.7 $(moles)/(liter)$

True or false in general, winds are named for the direction from which they blow True
False

Answers

Answer:

it is true because there is west,south and etc

What is the majority of 0.50 g of na dissolved in a 1.5 L solution

Answers

The correct answer is 0.014467 M.

Molarity is defined as the number of moles present in a liter solution, that is, number of moles / liter solution.

The molar mass of sodium (Na) is 23.0 g/mol

Thus, 1 mole of Na contains 23.0 g

Now, x moles of Na contains 0.50 g

Moles = 0.50 × 1 / 23.0

Moles = 0.50 / 23.0

= 0.0217 moles of Na

Molarity = Number of moles / liters of solution

= 0.0217 / 1.5

= 0.014467 M

The doldrums region on Earth is created by an amount of heating from the Sun that results in the rising of warm, moist air, low air pressure, cloudiness, high humidity, and numerous forms of severe weather, such as thunderstorms. Hurricanes originate in this region. The doldrums are also noted for calms, periods when the winds disappear, trapping sailing vessels for days or weeks. Where are the doldrums found?

Answers

The Equator is where the doldrums are found.

In a single displacement reaction between sodium phosphate and barium, how much of each product (in grams) will be formed from 10.0 grams of barium?

Answers

Answer:

A. 3.36g of Na.

B. 14.62g of Ba3(PO4)2.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

3Ba + 2Na3PO4 → 6Na + Ba3(PO4)2

Next, we shall determine the mass of Ba that reacted and the mass of Na and Ba3(PO4)2 produced from the equation.

This is illustrated below:

Molar Mass of Ba = 137g/mol

Mass of Ba from the balanced equation = 3 x 137 = 411g

Molar mass of Na = 23g/mol

Mass of Na from the balanced equation = 6 x 23 = 138g

Molar mass of Ba3(PO4)2 = (3 x 137) + 2[31 + (4x16)] = 411 + 2[31 + 64] = 601g/mol

Mass of Ba3(PO4)2 from the balanced equation = 1 x 601 = 601g

Summary:

From the balanced equation above,

411g of Ba reacted to produce 138g of Na and 601g of Ba3(PO4)2.

A. Determination of the mass of Na produced by reacting 10g of Ba.

From the balanced equation above,

411g of Ba reacted to produce 138g of Na.

Therefore, 10g of Ba will react to produce = (10 x 138)/411 = 3.36g of Na.

Therefore, 3.36g of Na is produced.

B. Determination of the mass of Ba3(PO4)2 produced by reacting 10g of Ba.

From the balanced equation above,

411g of Ba reacted to produce 601g of Ba3(PO4)2.

Therefore, 10g of Ba will react to produce = (10 x 601)/411 = 14.62g of Ba3(PO4)2.

Therefore, 14.62g of Ba3(PO4)2 is produced.

In which of these situations would light slow down?A. from plastic to air
B. from ice to water
C. from a vacuum to air
D. from glass to air

Answers

Answer:

Option (C) from a vacuum to air

Explanation:

Speed of light in any media depends on the refractive index(n) of the medium in which light is travelling.The medium having least refractive index have the fastest speed of the light.As the refractive index of the vacuum is less(1.0000) than that of the air(1.0003), so the speed of light will slows down while moving from vacuum to air.The refractive index 'n' is the ratio between speed of light in vacuum(c) to the speed at which the light is travelling i.e v, (n = c / v).

As far as we know, the speed of light is faster in a vacuum than in any other medium. Therefor C is correct. The speed of light would slow down going from a vacuum to air.

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