<span>The angiosperms became more common during the cretaceous period. The Cretaceous period occurred almost 144 million years ago and it followed the Jurassic period. </span>
Answer:
Mitochondria are structures within cells that convert the energy from food into a form that cells can use. Mitochondrial DNA contains 37 genes, all of which are essential for normal mitochondrial function. Thirteen of these genes provide instructions for making enzymes involved in oxidative phosphorylation.
Explanation:
Answer:
first one is a point mutation
second is a frame shift by addition
Explanation:
First one : only one letter changes
second one : a letter was added shifting other bases.
Controlling the synthesis of proteins is the key to controlling the chemical pathways in the cell.
This is because proteins have key roles in many chemical reactions in the cell.
The most important proteins for the chemical reactions in the cell are enzymes.
Enzymes catalyze many chemical reactions, therefore, the control of the enzyme synthesis is a direct way of controlling other chemical reactions in the cell.
Answer:
What is the name of this website
or the book?
