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faltersainse [42]
3 years ago
11

Which of the following enzymes breaks down the "glue" that holds cells together?

Chemistry
1 answer:
sdas [7]3 years ago
3 0

Answer:

1

Explanation:

Hyaluronidase is an enzyme that is naturally found in the body that breaks down hyaluronic acid. Hyaluronic acid is considered the glue that holds cells together.

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How many atoms are in 17 moles of O?
omeli [17]

Answer:

67

Explanation:

5 0
3 years ago
What is indicated by the methyl-prefix?
lozanna [386]

Answer:

B.) The molecule is a branched hydrocarbon.

Explanation:

A hydrocarbon is any molecule made up of carbon and hydrogen exclusively. A methyl- prefix denotes the presence of a methyl group (CH₃), which is situated as a branch off of a hydrocarbon carbon.

6 0
1 year ago
5. What concentration of acid must be added to change the pH of 1 mM phosphate buffer from 7.4 to 7.3 (pKas of the phosphate buf
mr_godi [17]

Explanation:

According to the Henderson-Hasselbalch equation, the relation between pH and pK_{a} is as follows.

               pH = pK_{a} + log \frac{base}{acid}

where,     pH = 7.4 and pK_{a} = 7.21

As here, we can use the pK_{a} nearest to the desired pH.

So,      7.4 = 7.21 + log \frac{base}{acid}

             0.19 = log \frac{base}{acid}

            \frac{base}{acid} = 1.55

1 mM phosphate buffer means [HPO_{4}] + [H_{2}PO_{4}] = 1 mM

Therefore, the two equations will be as follows.

           \frac{HPO_{4}}{H_{2}PO_{4}} = 1.55 ............. (1)

  [HPO_{4}] + [H_{2}PO_{4}] = 1 mM ........... (2)        

Now, putting the value of [HPO_{4}] from equation (1) into equation (2) as follows.

             1.55[H_{2}PO_{4}] + [tex][H_{2}PO_{4}] = 1 mM

                        2.55 [H_{2}PO_{4}] = 1 mM

                             [H_{2}PO_{4}] = 0.392 mM

Putting the value of [H_{2}PO_{4}] in equation (1) we get the following.

                     0.392 mM + [HPO_{4}] = 1 mM

                          [HPO_{4}] = (1 - 0.392) mM

                              [HPO_{4}] = 0.608 mM

Thus, we can conclude that concentration of the acid must be 0.608 mM.

7 0
3 years ago
The symbol for the element in period 2, group 13
denis-greek [22]
Element: Boron
Symbol: B
So answer is B
8 0
2 years ago
The + symbol, on the products side, in a chemical equation means
malfutka [58]

Explanation:

Used to separate one reactant or product from another

If it's helpful ❤❤

THANK YOU

7 0
3 years ago
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