Cell Cycle
List the steps of the cell cycle in order.
IPMATC
DNA is held in which part of the cell?
Nucleus
When does crossing over occur?
Prophase I
Somatic Cell
Which process maintains the chromosome number?
Mitosis
Describe Metaphase of mitosis
The chromosomes are aligned in the center.
The part of the cell that holds duplicated chromosomes together before they are separated in mitosis...
Centromere
A fertilized egg is called a...
Zygote
The formation of sperm is called...
Spermatogenesis
The number of chromosomes in human somatic cells...
46
Describe an "efficient cell".
A cell with more surface area than volume.
What part of the cell is only visible in interphase?
Nucleolus
Describe a process that occurs in meiosis but not mitosis.
Answers vary
Define Cancer
cell growth without limit
The division of a cells nucleus is called ____. The division of a cells cytoplasm is called ____.
Mitosis; Cytokinesis
Mitosis keeps the number of chromosomes in a cell the same. When does the cell have twice the number of chromosomes?
Interphase-- S Phase
Homologous Chromosomes
A nondisjunction mutation would occur during which phase of meiosis?
Anaphase I or Anaphase II
Explain the difference between chromatin, chromatids, and chromosomes.
Answers vary
Explain why mitosis is a form of asexual reproduction?
Creates identical daughter cells.
Describe how the cell cycle can prevent cancer.
Checkpoints throughout.
The _____ appear during prophase and release____ which will later attach to the cells centromeres.
Centrioles; Spindle Fibers
A carp has 52 homologous pairs of chromosomes in its brain cells. How many chromosomes are contained in one of its gametes?
52
When bacteria splits to make a copy of itself it is called...
Binary Fission
A plant's pollen contains 75 chromosomes. How many does it's leaf cell have?
150