BIOLOGY 1406: EXAM 4 Final Test
Questions All Solved Correct Graded
A+
cell division - Answer The continuity of life is based on the reproduction of cells
multicellular eukaryotes depend on cell division for what? - Answer Development from a
fertilized cell
Growth
Repair
cell cycle - Answer the life of a cell from formation to its own division
genome - Answer genome can consist of a single DNA molecule (common in prokaryotic
cells) or a number of DNA molecules (common in eukaryotic cells)
chromatin - Answer a complex of DNA and protein that condenses during cell division
two different types of cells - Answer Somatic cells
Gametes
Somatic cells - Answer (nonreproductive cells) have two sets of chromosomes
Gametes - Answer (reproductive cells: sperm and eggs) have half as many chromosomes as
somatic cells
sister chromatids - Answer (joined copies of the original chromosome) attached along their
lengths by cohesins
centromere - Answer the narrow "waist" of the duplicated chromosome, where the two
chromatids are most closely attached
mitosis - Answer the division of the genetic material in thenucleus
cytokinesis - Answer the division of the cytoplasm
, gametes are produced by a variation of cell division called..? - Answer meiosis
meiosis - Answer yields nonidentical daughter cells that have half as many chromosomes as
the parent cell
what are the phases of the cell cycle? - Answer Mitotic (M) phase
Interphase
G1 phase
S phase
G2 phase
mitotic (M) phase - Answer (mitosis and cytokinesis)
interphase - Answer (cell growth and copying of chromosomes in preparation for cell
division)
g1 phase - Answer ("first gap")
s phase - Answer ("synthesis") chromosomes are only duplicated during this phase
g2 phase - Answer ("second gap")
mitotic spindle - Answer a structure made of microtubules that controls chromosome
movement during mitosis. it includes the 1) centrosomes, 2) the asters and 3) the spindle
microtubules
1. in animal cells, assembly of spindle microtubules begins in the.....the microtubule organizing
center - Answer centrosome
2. an.... (a radial array of short microtubules) extends from each centrosome - Answer aster
3. spindle microtubules - Answer long microtubules extending from the centrosome to the
centromeres of chromosomes
kinetochores - Answer protein complexes associated with centromeres
metaphase plate - Answer a plane midway between the spindle's two poles
Questions All Solved Correct Graded
A+
cell division - Answer The continuity of life is based on the reproduction of cells
multicellular eukaryotes depend on cell division for what? - Answer Development from a
fertilized cell
Growth
Repair
cell cycle - Answer the life of a cell from formation to its own division
genome - Answer genome can consist of a single DNA molecule (common in prokaryotic
cells) or a number of DNA molecules (common in eukaryotic cells)
chromatin - Answer a complex of DNA and protein that condenses during cell division
two different types of cells - Answer Somatic cells
Gametes
Somatic cells - Answer (nonreproductive cells) have two sets of chromosomes
Gametes - Answer (reproductive cells: sperm and eggs) have half as many chromosomes as
somatic cells
sister chromatids - Answer (joined copies of the original chromosome) attached along their
lengths by cohesins
centromere - Answer the narrow "waist" of the duplicated chromosome, where the two
chromatids are most closely attached
mitosis - Answer the division of the genetic material in thenucleus
cytokinesis - Answer the division of the cytoplasm
, gametes are produced by a variation of cell division called..? - Answer meiosis
meiosis - Answer yields nonidentical daughter cells that have half as many chromosomes as
the parent cell
what are the phases of the cell cycle? - Answer Mitotic (M) phase
Interphase
G1 phase
S phase
G2 phase
mitotic (M) phase - Answer (mitosis and cytokinesis)
interphase - Answer (cell growth and copying of chromosomes in preparation for cell
division)
g1 phase - Answer ("first gap")
s phase - Answer ("synthesis") chromosomes are only duplicated during this phase
g2 phase - Answer ("second gap")
mitotic spindle - Answer a structure made of microtubules that controls chromosome
movement during mitosis. it includes the 1) centrosomes, 2) the asters and 3) the spindle
microtubules
1. in animal cells, assembly of spindle microtubules begins in the.....the microtubule organizing
center - Answer centrosome
2. an.... (a radial array of short microtubules) extends from each centrosome - Answer aster
3. spindle microtubules - Answer long microtubules extending from the centrosome to the
centromeres of chromosomes
kinetochores - Answer protein complexes associated with centromeres
metaphase plate - Answer a plane midway between the spindle's two poles
