Halley's Comet is the most well-known comet. It's a "periodic" comet that comes close to Earth once in 75 years, allowing a person to see it twice in his or her lifetime. It was last seen on Earth in 1986, and it is expected to appear in the year 2061.
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Answer:
(c) G1 cyclins will be expressed during the S phase
Explanation:
In those cases in which G cyclins are constitutively expressed, the G1 phase will be shortened
Answer:
explain? are you looking for the male parts of a cell
