Cells need to copy their DNA when they divide. This process is called DNA replication. To understand how DNA is copied, we first need to understand the structure of DNA. DNA is made of two long strands that wrap around each other to make the famous double helix. Each strand is composed of a sequence of molecules called nucleotides.
Before you choose to enroll in a Part C (private Medicare Advantage or MA) health plan, you should check to see what costs you may have. Part C Medicare Premiums. In 2017, the estimated average monthly MA plan premium will be $31.40, but this premium may vary significantly between plans, anywhere from $0 to over $200. Remember that you must have Medicare Parts A & B to join a Medicare Advantage plan.
1 The standard monthly premium for Medicare Part B in 2012 is $99.90, but it can be $139.90 -$319.70 a month if total income is more than $85,000 for a single person or $170,000 for a married couple. 2  See How Much Does Medicare Part B Cost. Anyone buying a Medigap policy must also pay any premium charges for Medicare Part A and Part B. Medicare Part A is free for most people. 2  See How Much Does Medicare Part A Cost.