The polarity of water enables it to serve as a solvent for polar substances.
A polar substance is a substance that has a positive end and a negative end. Water itself is a polar substance and this polarity enables it to dissolve polar substances.
For instance, HCl dissolves in water because it is polar. The positive end of the dipole in HCl attaches to the negative end of the dipole in water and the negative end of the dipole in HCl attaches to the positive end of the dipole in water.
This dipole - dipole interaction accounts for the dissolution of HCl in water.
Also, ion - dipole interaction accounts for the dissolution of ionic substances such as NaCl in water.
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Answer:
TP synthesis in glycolysis: substrate-level phosphorylation
Explanation:
-One of the substrates is a molecule derived from the breakdown of glucose
-An enzyme is required in order for the reaction to occur
-A bond must be broken between an organic molecule and phosphate before ATP can form.
Incorrect:
-The phosphate group added to ADP to make ATP comes from free inorganic phosphate ions.
-The enyzmes involved in ATP synthesis must be attached to a membrane to produce ATP.
Specialized cells are formed when cells differentiate - this is true. When you have stem cells, you're talking about undiferentiated cells with no specific roles in the body. When these cells start differentiating and assuming different roles, they are also becoming specialized.
