B. animals
Plants have cell walls, bacteria are unicellular and fungi have cell walls too
Answer:
Red blood cells are formed in the red bone marrow of bones
Answer:
The sodium-potassium pump is an active transporter because it needs to move sodium and potassium ions against the concentration gradient.
Explanation:
You have to think of it as outside vs inside the cell.
Outside the cell, you have 5mM K and 150mM Na. Inside the cell, you have 100mM K and 10mM sodium. Without the transporter then the ions would go from greater concentration to lower concentration. Energy keeps the ions going from the way they would naturally happen.
Answer:
Specific heat capacity is the property of water that makes it useful in car radiators.
Explanation:
Water has a high specific heat capacity. So it is used as a coolant in car radiators and helps maintain temperature of car engines.
Answer:
Population (No) Population (Nt)
20,000,000 20,820,000
20,820,000 22,000,000
22,000,000 23,735,000
23,735,000 25,843,000
25,843,000 28,183,000
Explanation:
The change in Gilders population could include factors like prosperous economy and improved healthcare. This is due to the fact that as the birth rates increase the death rates decrease. Improved healthcare has slowed down the death rate. Secondly, the prosperous economy contributes to amount of immigrants coming in and out of this country.
