<span>Carbon is the building blocks of all living molecules. With the ability to form carbon-carbon bonds, many different compounds formed into different structures can be used for different purposes such as macromolecules. </span>
Answer:
active transport
Explanation:
they are using energy to move across the membrane, using energy means its active Hope this helps
It became clear in the 1970's
The recessive trait in the F1 plants appears in a ratio of 3:1.
