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>
Canada's gross domestic product (GDP) expanded by 6.1% in the first quarter of the year – the highest rate of growth among developed nations – and the country is expected to lead Group Seven (G7) nations in economic growth for at least the next two years. The reasons are many: Canada's banking system is sound.
Answer:
D. sodium, nitrogen, oxygen
Explanation:
Let's break up NaNO3 into its separate chemical symbols:
Na, N, O
Na is the symbol for sodium
N is the symbol for nitrogen
O is the symbol oxygen
Answer: The pollen grains will have red interiors and blue exteriors.
Explanation: The pollen grains will have red interiors and blue exteriors should occur.