Answer:
Active transport requires energy because it is not a passive process. The molecule has to go against the concentration gradient. Hence it requires energy to be carried by the carrier proteins.
The energy is used is ATP, which comes from respiration
B. A qualitative observation is one without any numerical values.
Answer:
A human diploid cell has 46 chromosomes in 23 pairs.
Explanation:
Answer:
B
Explanation:
I believe it is B. as we dont have all fossils
Glucose is converted to pyruvate and nad+ is converted into NADH