The observation that indicates that it is a living thing that is multicellular because it has membrane-bound organelles. The correct answer is option B. Multicellular organisms' cells are macroscopic which are naked to the visible eye. These organisms are eukaryotic so this means that their cells contain membrane-bound structures.
The answe is the 4th choice
Answer:
crossing over
Explanation:
This occurs between prophase 1 and metaphase 1.
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>
