BIO SCI 93 Lecture Notes - Lecture 17: Actin, Microfilament, Motor Protein
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What function(s) does mitosis fulfill for multicellular organisms?
Growth |
Sexual reproduction |
Repair |
Protein synthesis |
Respiration |
Match the phrase on the left with the part of the cell cycle on the right.
DNA replication is checked for accuracy
[ Choose ] Cytokenesis Crossing Over G1 G0 Metaphase Prophase Anaphase G2 S M Telophase
Cells no longer divide
[ Choose ] Cytokenesis Crossing Over G1 G0 Metaphase Prophase Anaphase G2 S M Telophase
DNA is copied or replicated
[ Choose ] Cytokenesis Crossing Over G1 G0 Metaphase Prophase Anaphase G2 S M Telophase
Cells synthesize proteins needed for the process of mitosis
[ Choose ] Cytokenesis Crossing Over G1 G0 Metaphase Prophase Anaphase G2 S M Telophase
Cell doing its normal 'job'
[ Choose ] Cytokenesis Crossing Over G1 G0 Metaphase Prophase Anaphase G2 S M Telophase
Division of the DNA
1- Most of a cell's life is spend in this phase of the cell cycle:
--------------------
2- The cell cycle is a highly regulated process.
True
False
3- Cells replicate their DNA during ________________ phase.
G
S
Q
M
4- In animal cells, ________________________ is the indentation of the cell's surface that marks cytokinesis, the final splitting of the membrane, in the process of cell division.
cleavage furrow
binary fission
cell plate
sister chromatids
5- Somatic ("body") cells are _______________ (2n). This means there are two copies of each chromosome.
6- During the _______ phase(s) cells perform their everyday functions.
S
M
Q
G
7- When chromosomes are duplicated the two strands are called _______________________________ and they are linked together at a point called the ____________________.
sister strands; kinetochore
sister chromatids; centromere
dual chromatids; centromere
genes; chromatid
8- New somatic âbodyâ cells are formed by this process:
meiosis
binary fission
replication
mitosis
9- The cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.
10- Cells replicate their DNA during ________________ phase.
S
Q
G
M