anatomy lab quiz 3b and 3d

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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


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