Mutations (changes) to the DNA within the cells.
A catalyst increase a chemical reaction, therefore making the answer B. Promotes a chemical reaction.
Hope I could help! :)
This means that they each have there own part in the cell, think baseball team. there are different players but you work together
The adapter in fish has increased their surface volume ratios omg he is fat
Answer:
Irregular heartbeat. Heart Failure. Fatal. The body does not get "oxygen-rich" blood. May feel tired or weak. Shortness of breath, dizziness, headaches. Blood loss, lack of red blood cell production, and high rates of red blood cell destruction
Explanation:
When you're anemic your heart pumps more blood to make up for the lack of oxygen in the blood. This can lead to an enlarged heart or heart failure.