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3 years ago

Drag the correct description under each cell structure to identify the role it plays in the cell.

1 answer:

7 0

The Nucleus stores the genetic information, the Lysosome breaks down macro-molecules, the Mitochondrion converts chemical fuel, the Ribosome synthesizes proteins and the Smooth ER serves as site of lipid synthesis.

The image for the question have been attached below.

The cell structures which needed to be match to its descriptions are Nucleus, Lysosome, Mitochondrion, Ribosome and Smooth ER.

The correct descriptions are as follows:

The <u>Nucleus</u> is the cell structures that stores the genetic information of the cell.
The <u>Lysosomes</u> is the cell structures that breaks down macro-molecules using digestive enzymes.
The <u>Mitochondrion</u> is the cell structures that converts chemical fuel into packets of chemical energy that can power the cell.
The <u>Ribosome</u> is the cell structures that works with mRNA to synthesize proteins.
The <u>Smooth ER</u> is the cell structures which serves as the site of lipid synthesis.

Learn more about Cell Structure here

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May somebody help me please :(

Bas_tet [7]

Answer:

107 degrees

Explanation:

The lines intersect to create a triangle. The sum of the interior angles of a triangle is 180 degrees.

a + b+ c = 180

We deduce the unlabeled angle (in the lower right corner) by considering the line that goes from that angle to the a angle on the left side. The line itself has a 180 degree angle (on each side). And we know the exterior angle is 107 degrees... that leaves 73 for the interior angle.

We take the equation above again... by putting now the value of C (the un-named angle):

a + b + 73 = 180

We isolate the a+b part... to get a+b = 107, the same value as the exterior angle.

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3 years ago

Raul deposited $3000 into a bank account that earned simple interest each year. After 3. 5 years, he had earned $262. 50 in inte

lions [1.4K]

Answer:

262.50-3000=222.50

therefore 3000×100/222.50×3.5=$4,719

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2 years ago

For the galvanic (voltaic) cell fe(s) + mn²⁺(aq) ⟶ fe²⁺(aq) + mn(s) (e° = 0.77 v at 25°c), what is [fe²⁺] if [mn²⁺] = 0.050 m an

Nuetrik [128]

The concentration of Iron in the galvanic (voltaic) cell Fe(s) + Mn²⁺(aq) ⟶ Fe²⁺(aq) + Mn(s) is 0.02297 M.

<h3>What is the Nernst Equation?</h3>

The Nernst equation enables us to identify the cell potential(voltage) in presence of non-standard conditions in a galvanic cell. It can be expressed by using the formula:

$\mathbf{E_{cell} = E_o - \dfrac{0.059}{n} \times log \dfrac{[Fe^+]}{[Mn^{2+}]}}$

where;

n = Number of electrons = 2
$\mathbf{E_o}$ = Initial voltage = 0.77 V
$\mathbf{E_{cell}}$ = Cell voltage = 0.78 V
$\mathbf{[Mn^{2+}]}$ = Manganese concentration = 0.050 M

Replacing the values into the above equation, we have:

$\mathbf{0.78 = 0.77 - \dfrac{0.059}{2} \times log \dfrac{[Fe^{2+}]}{[0.050]}}$

$\mathbf{0.78 -0.77= -0.0296\times log \dfrac{[Fe^{2+}]}{[0.050]}}$

$\mathbf{log^{-1} (-0.3378) = \dfrac{[Fe^{2+}]}{[0.050]}}$

$\mathbf{Fe^{2+} = (0.4594\times 0.050 )\ M}$

$\mathbf{Fe^{2+} =0.02297 \ M }$

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2 years ago

According to this lesson, Which of the following tire rotation patterns is most often used? A. Side-to-side B. Front-to-rear C.

DochEvi [55]

We don’t know what was taught in the lesson, so we’re just guessing what your book/teacher said. However, the most common tire rotations are usually B or C.

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3 years ago

When 2. 0 m aqueous solutions of sodium bicarbonate and hydrochloric acid react, it produces carbon dioxide, water and sodium ch

OLEGan [10]

The number of mole of carbon dioxide, CO₂ formed from the reaction is 0.0632 mole.

<h3>How to determine the mole of NaHCO₃</h3>

Molarity of NaHCO₃ = 2 M
Volume = 31.6 mL = 31.6 / 1000 = 0.0316 M
Mole of NaHCO₃ =?

Mole = Molarity x Volume

Mole of NaHCO₃ = 2 × 0.0316

Mole of NaHCO₃ = 0.0632 mole

<h3>How to determine the mole of CO₂</h3>

NaHCO₃ + HCl —> CO₂ + H₂O + NaCl

From the balanced equation above,

1 mole of NaHCO₃ reacted to produce 1 mole of CO₂.

Therefore,

0.0632 mole of NaHCO₃ will also react to produce 0.0632 mole of CO₂.

Thus, 0.0632 mole of CO₂ was obtained from the reaction

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2 years ago