I think it’s B. I’m not 100% sure but I believe it is B! Srry if this is late btw.
True will end up being the answer
Sister chromatids are two identical copies of a single chromosome that are connected by a centromere. They occur as a result of a chromosome that duplicated during the S phase of the cell cycle.
Answer:
The first one and the last one.
Explanation:
Carbon dioxide is generated by cellular respiration and released into the atmosphere.
Photosynthesis makes oxygen that plants can release into the atmosphere.
The excretory system is how you excrete waste from your body, including bladder, anus, and kidneys
