anatomy lab quiz 3b and 3d
matching chromatids are held together by a
centromere
copy of a chromosome
chromatid
replication of genetic material results in chromosomes consisting of two
chromatids
when a cell is NOT dividing, the DNA is loosely spread throughout the nucleus in a threadlike form called
chromatin
short, hairlike cellular extensions:
cilia
folds of the inner mitochondrial membrane
cristae
division of the cytoplasm to produce two daughter cells is called
cytokinesis
during cell division, the process of a dividing the cytoplasm is called
cytokinesis
what process ultimately pinches a dividing cell to produce two daughter cells
cytokinesis
intracellular fluid and organelles
cytoplasm
intracellular fluid
cytosol
when they are scrambled in the middle of the cell
early prophase
chromatid pairs separate during the metaphase stage of mitosis
false
which organelle functions to package, modify, and segregates proteins for secretion
golgi apparatus
DNA is replicated
interphase
DNA replication occurs during __________
interphase
________ is the period of time when the cell is not dividing
interphase
when they are in the middle of the cell with a dot
interphase
which stage of the cell cycle is characterized by DNA replication
interphase
when the are moving apart in the middle of the cell
late prophase
vesicles with powerful digestive enzymes
lysosomes
which organelle functions in intracellular digestion
lysosomes
Which stage of the cell cycle is characterized by the chromosomes lining up along the equator of the cell
metaphase
chromosomes line up along the equator
metaphase
what phase of mitosis do the chromosomes line up in the middle of the cell
metaphase
when they are lined up in the middle
metaphase
a cell in metaphase has chromosomes located in the ________ of the cell.
metaphase plate
which organelle functions in ATP synthesis
mitochondrion
division of the nuclear material is called
mitosis
how many drops of stain are required in preparing a wet mount slide of cheek cells
one
composed of phospholipid bilayer
plasma membrane
chromosomes become visible during the ________ stage of mitosis.
prophase
during which of the following phases does chromatin condense and become chromosomes
prophase
nuclear envelope breaks down
prophase
what stage of mitosis do chromosomes become visible in the nucleus
prophase
which of the following lists, in correct order, the phases of mitosis
prophase, metaphase, anaphase, telophase
site for protein synthesis
ribosomes
anaphase is characterized by ________
separation of the sister chromatids
stores calcium ions in muscle cells
smooth endoplasmic reticulum
microtubules called __________ attached to chromatids and pull them apart.
spindle fibers
during which of the following phases does DNA replication occur
synthesis
sister chromatids reach opposite poles
telophase
the last stage of mitosis is
telophase
which stage of the cell cycle is characterized by the sister chromatids reaching the opposite poles and uncoiling to form chromatin
telophase
when they are moving into two daughter cells
telophase and cytokinesis
how many stages of mitosis are there
4
when attempting to locate and identify a stage of mitosis using the compound light microscope, your microscope should at least be on ___ X total magnification to properly identify the stage
400
which of the following lists, in correct order, the phases of interphase
G1, S, G2,
during interphase, DNA replication occurs in the ___________ phase.
S
the phase labeled 2 on the figure is the
S phase
what phase of the cell life cycle does replication of DNA occur
S phase
double-stranded chromosomes separate during the ___________ stage of mitosis.
anaphase
during which phase of mitosis do the chromosomes separate
anaphase
sister chromatids split and move to opposite poles
anaphase
taxol is a chemotherapeutic drug that will attach to the spindle fibers and prevent their function thereby killing the cancer cell. Which process does this drug prevent from occurring
anaphase
the phase of mitosis where the separation of the chromosomes occurs is
anaphase
when they start to separate in the middle from each other and have arms
anaphase
involved in mitosis
centriole
which image shows chromatin condensing to form chromosomes
when they are in the middle scattered
which image corresponds to metaphase
when they are lined up in the middle
