Answer:
A. The complementary shapes of an enzyme and a substrate
Explanation:
The Lock-and-Key model was made to show how an enzyme's active zone fits a substrate and how they bond together. It correlates just like a lock and a key; you have to have the correct-shaped key in order to open a lock. Same process of thought with the enzymes; you must have the same shape for both in order to bind together,
<span>The twisted ladder shape of DNA is called a double </span>helix.
1 reason is to kill disease in water
There are various diseases and disorders that could arise from high levels of saturated fat and specfically bad cholesterol. From the renowned, cardiac arrest, atherosclerosis, hepatic steatosis, neurological diseases like cerebrovascular diseases; ischemia and hemorrhagic stroke, disoriented weight size and gain -obesity is also caused by the high concentrations of fat and bad cholesterol.
These disorders and complications are just the few of the many possible outcomes of the mentioned imbalance of fat. How? because there is too much lipid for the body to process and metabolize thus, breach of homeostasis.
These are the things that convert nitrogen in the soil -cyanobacteria<span>participate. After nitrogen has been fixed, other </span>bacteria<span> convert it into </span>nitrate<span>, in a process known as nitrification.</span>