Answer:
These cells use active-transport systems in the apical domains of their plasma membranes to take up dietary sugars and amino acids from the lumen of the intestine. The uptake of glucose, for example, is carried out by a transporter that coordinately transports two Na+ and one glucose into the cell
Explanation:
The five successive stages of coal
formation are as follows:
step 1: plants decay
step 2: peat is formed
step 3: peat changes to lignite (soft
brown coal made from peat)
step 4: bituminous coal is formed
(black and brittle and very polluting)
<span>step 5: anthracite coal is formed
(highest amount of carbon and clean burning)</span>
The moon spinning around the earth
Answer:
At present, the only option would be to send regular supply ships filled with liquid hydrogen, and then mix them together. A better solution would be if we could find water on the Moon. Though the Moon has no liquid water, in 2018 NASA confirmed it does exist on the surface in ice form.
Explanation: