<span>transcription/RNA processing-
pre-mRNA, mRNA, snRNA
translation- rRNA, tRNA</span>
Active transport requires energy when moving molecules against a concentration agent. It requires for specific membrane transport proteins. Only a certain type of protein can move a certain type of substance.
The three main types of Active Transport are:
1) Sodium-Potassium Pump
2) Endocytosis
<span>3) Exocytosis </span>
This is because iron is used to make a protein called hemoglobin. This protein helps blood cells carry oxygen around the body.
<span>Cell Membrane which is a Selectively Permeable Membrane.
</span>
When you cut up the carrot you increase the surface area of the carrot substantially. This increased surface area reacts with the atmosphere and makes the carrot (collectively the pieces) more exposed to bacteria and as a result the cut up carrots will go bad before the carrots as a whole.
