Answer:
The evidence suggests that these chloroplast organelles were also once free-living bacteria. The endosymbiotic event that generated mitochondria must have happened early in the history of eukaryotes, because all eukaryotes have them
Explanation:
google
Answer:
Definition. The first metaphase of meisosis I encompasses the alignment of paired chromosomes along the center (metaphase plate) of a cell, ensuring that two complete copies of chromosomes are present in the resulting two daughter cells of meiosis I. Metaphase I follows prophase I and precedes anaphase I.
Explanation:
A good hypothesis is an If, Than statement. I'm not sure about the scientific question. I do believe it is something that can be answerable.
Answer:
There's not enough oxygen in the muscles to break down glucose and glycogen
Explanation:
Lactic acid buildup occurs when there's not enough oxygen in the muscles to break down glucose and glycogen. This is called anaerobic metabolism.
learn more here:
https://www.sciencedirect.com/topics/medicine-and-dentistry/anaerobic-metabolism
Hope this helps,
H.M.