Download Cell Life Cycle notes

Cell Life Cycle notes
Life cycle of the cell – 3 parts: 1. ____________________ 2. ____________________ 3.____________________
1. Interphase – ______________
a. The cell _____________ until it is ready to _____________ (reproduce)
b. ____________________ (_________) and other cell parts are _______________
2. Mitosis – division of the __________________
a. New cells have same ________
b. happens in all __________ cells and in many single celled organisms
c. Creates ______________ cells – ________ pairs chromosomes NORMAL CELLS
d. chromosomes – strands of tightly wound DNA
e. Humans have ______ pairs of _______________. (46 total chromosomes)
4 Parts of Mitosis:
1. _______________ - ____________
disappears, chromosomes start moving to middle
of cell
2. ______________ - chromosomes line up in
___________ of cell
3. ______________ - chromosomes are pulled
________/_______ from their copies and move
to opposite sides of cell
4. ____________ - nucleus membrane forms, cell
gets ready to _________ (cytokinesis)
3. Cytokinesis: division of ______________
a. animal cells - cell ______________ pinches in.
b. Plant cells - a cell __________ forms to divide the ________________
Animal Cell
Questions: Use your notes to answer the following questions.
1. Most of the hereditary information within the cell is carried in the —
a. Ribosomes
b. vacuoles
c. chromosomes _
d. Golgi bodies
2. What happens during Interphase?
a. Cells splits in half
b. Cell grows, and gets ready to reproduce
c. cell dies
d. nucleus divides
3. What happens during cytokinesis in animal cells?
a. A new round of mitosis begins.
b. Each organelle divides into two parts.
C. Two new daughter cells are formed.
D. A cell plate forms in the middle of the cell.
4. What happens during cytokinesis in plant cells?
a. A new round of mitosis begins.
b. Each organelle divides into two parts.
C. Two new daughter cells are formed.
D. A cell plate forms in the middle of the cell.
5. Mitosis is the stage during which
a. the cell's nucleus divides into two new nuclei.
b. the cell divides into two new cells.
C. the cell's DNA is replicated.
D. the cell's cytoplasm divides.
6. What is a diploid cell?
a. Cell with normal number of chromosomes
b. Cell with half number of chromosomes
c. Cell with no chromosomes
7.
What are chromosomes?
a. Tightly wound sections of DNA
b. Molecules in the cell
c. The nucleus
d. the cell membrane