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Zinaida [17]
4 years ago
6

_____ is a gel-like substance enclosed by the cell membrane that contains the cell's organelles. A) chloroplast B) cytoplasm C)

nucleus D) protein
Chemistry
2 answers:
stepan [7]4 years ago
7 0

Answer: The correct answer for the blank is-

B) cytoplasm.

Cytoplasm is the fluid filled compartment ( a thick, gel like substance) within the cell of a living organism that is mainly composed of water, salts, and proteins. It is surrounded by the cell membrane ( plasma membrane) and contains all the parts of cell ( such as in eukaryotic cell, it contains all the cell organelles except nucleus). It is the site for all the essential cellular processes.

Thus, option B) is the right answer.  

Molodets [167]4 years ago
5 0

Answer: Option (B) is the correct answer.

Explanation:

  • In a living organism, the cell which is mostly composed of water, salts and proteins is known as cytoplasm.

It is thick and gel like in nature which has fluid filled compartment.

  • A chloroplast is an organelle found in the cells of plants and eukaryotic algae which are responsible for the conduction of photosynthesis.
  • Nucleus is an organelle present in eukaryotic cells. It contains hereditary information of a cell and helps in controlling the growth and reproduction of cells.
  • Polymers of amino acids are known as proteins. Each protein has some specific functions.

Thus, we can conclude that out of the given options cytoplasm is a gel-like substance enclosed by the cell membrane that contains the cell's organelles.

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How many atoms are in co2?
UNO [17]
There are 3 atoms in CO2 (Carbon dioxide).
Carbon has 1 atom and oxygen has 2 atoms.
8 0
3 years ago
If you had excess chlorine, how many moles of aluminum chloride could be produced from 28.0 g of aluminum?
MaRussiya [10]

Answer:

1.04 moles of AlCl₃

Explanation:

Balanced Equation:  2Al°(s) + 3Cl₂(g) => 2AlCl₃(s)

Approach => convert given data (28 g Al°) to moles. The number of moles  AlCl₃ would equal the number of moles aluminum because coefficients for Aluminum and Aluminum Chloride are equal.

moles Al° = (28g)/(27g/mole ) = 1.04 mole Al°

From balanced equation moles AlCl₃ produced equals moles of Al° produced = 1.04 mole AlCl₃ because coefficients of Al° & AlCl₃.

5 0
4 years ago
If you mix 50mL of 0.1 M TRIS acid with 60 mL of0.2 M<br> TRIS base, what will be the resulting pH?
Katyanochek1 [597]

<u>Answer:</u> The pH of resulting solution is 8.7

<u>Explanation:</u>

To calculate the number of moles for given molarity, we use the equation:

\text{Molarity of the solution}=\frac{\text{Moles of solute}\times 1000}{\text{Volume of solution (in mL)}}

  • <u>For TRIS acid:</u>

Molarity of TRIS acid solution = 0.1 M

Volume of solution = 50 mL

Putting values in above equation, we get:

0.1M=\frac{\text{Moles of TRIS acid}\times 1000}{50mL}\\\\\text{Moles of TRIS acid}=0.005mol

  • <u>For TRIS base:</u>

Molarity of TRIS base solution = 0.2 M

Volume of solution = 60 mL

Putting values in above equation, we get:

0.2M=\frac{\text{Moles of TRIS base}\times 1000}{60mL}\\\\\text{Moles of TRIS base}=0.012mol

Volume of solution = 50 + 60 = 110 mL = 0.11 L    (Conversion factor:  1 L = 1000 mL)

  • To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:

pH=pK_a+\log(\frac{[salt]}{[acid]})

pH=pK_a+\log(\frac{[\text{TRIS base}]}{[\text{TRIS acid}]})

We are given:

pK_a = negative logarithm of acid dissociation constant of TRIS acid = 8.3

[\text{TRIS acid}]=\frac{0.005}{0.11}

[\text{TRIS base}]=\frac{0.012}{0.11}

pH = ?

Putting values in above equation, we get:

pH=8.3+\log(\frac{0.012/0.11}{0.005/0.11})\\\\pH=8.7

Hence, the pH of resulting solution is 8.7

6 0
4 years ago
What type of substance is always made up of a single type if atom
Damm [24]

Answer:

An Element

Explanation:

An Element is made up of only one type of atom (Gold, Silver, etc.)

Hope this helps!

4 0
3 years ago
Which statement best describes the data set?
o-na [289]

Answer:

The answers B

Explanation:

4 0
3 years ago
Read 2 more answers
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