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chapter 12 stack
key questions to know for chapter 12
Question | Answer |
---|---|
How many sets of chromosomes does a diploid cell have? | 2 |
How many sets of chromosomes does a haploid cell have? | 1 |
How many cells does meiosis make? | 4(divides twice) |
What is chromatin? | unwound chromosomes |
Mitosis is the division of the _____? | nucleus |
what happens in s phase of interphase? | sister chromatids are formed |
What is cyclin? | a molecule that tells CDK what to do |
Transformation is when normal cells convert to ______ cells. | Cancer |
what is a benign tumor? | when abnormal cells reamain at tehir original site and it can be removed completley by surgery |
What is a malignant tumor? | When the cell becomes so invasive that it impairs the function of 1 or more organs |
Metastasis is the ___a____ of ___b____ cells to parts away fro their original site. | a: spreading b: cancer |
What is a genome? | every piece of DNA in your body |
Somatic Cells are _________. | diploid |
Gamete Cells are _________. | haploid |
Diploid cells are formed by ______. | Mitosis |
Haploid Cells are formed by _______. | Meiosis |
Sister chromatids are _________ pieces of DNA. | identical |