Answer:
The preferable options will be -
T-tubule system
Explanation:
- T-tubules or transverse tubules are a part of the skeletal and cardiac muscle membrane systems. They are the cell membrane extensions that can penetrate into the center of those muscles.
- It contains a large amount of on channels, transporters, and pumps. It allows the transmission of the action potential, frequently. T-tubules also regulates the cellular calcium concentration.
Greetings!
There are four time zones in mainland USA. Los Angeles is in the Pacific TZ and New York City is in the Eastern TZ. There are 3 hours between each time zone. Therefore, it would 4:00 pm in Los Angeles. (7-3=4)
Hope this helps.
-Benjamin
I think it would be in the cells
Answer:
D. X is eukaryotic and Y is prokaryotic