Biology 121 Exam 2 UPDATED Exam
Questions and CORRECT Answers
The chromosomes must be duplicated - CORRECT ANSWER - What must happen before
a cell can begin mitosis?
Prophase - CORRECT ANSWER - The centrosomes move away from each other and the
nuclear envelope breaks up during which phase of mitosis?
Metaphase - CORRECT ANSWER - The chromosomes line up in the center of the cell
during which phase of mitosis?
Anaphase - CORRECT ANSWER - The sister chromatids separate and begin moving
toward opposite poles of the cell during which phase of mitosis?
Telophase - CORRECT ANSWER - The chromosomes arrive at the poles and nuclear
envelopes form during which phase of mitosis?
cytokinesis - CORRECT ANSWER - At the end of the mitotic (M) phase, the cytoplasm
divides in a process called _________________.
Benign Tumor - CORRECT ANSWER - a ____ is a lump of abnormal cells that, although
growing out of control, remains at its original site
Malignant Tumor - CORRECT ANSWER - a ___ is an abnormally growing mass of cells
that is actively spreading through the body
Metastasis - CORRECT ANSWER - the spread of cancer cells from their site of origin to
other sites in the body
, Cancer - CORRECT ANSWER - an individual with a malignant tumor is said to have
They interfere with cell division. - CORRECT ANSWER - What is the primary
characteristic of chemotherapy drugs that causes them to target cancer?
Gametes are produced by meiosis. - CORRECT ANSWER - Which of the following is
true about the human life cycle?
meiosis ... fertilization - CORRECT ANSWER - Sexual reproduction requires the cellular
process of __________ followed by __________.
four haploid cells. - CORRECT ANSWER - Meiosis starts with a single diploid cell and
produces
interphase - CORRECT ANSWER - A cell preparing to undergo meiosis duplicates its
chromosomes during
homologous chromosomes stick together in pairs. - CORRECT ANSWER - During
prophase I of meiosis,
prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II. - CORRECT
ANSWER - The correct order of events during meiosis is
prophase I. - CORRECT ANSWER - During meiosis, segments of nonsister chromatids
can trade places. This recombination of maternal and paternal genetic material is a key feature of
meiosis. During what phase of meiosis does recombination occur?
four haploid cells - CORRECT ANSWER - A single cell passing through meiosis and
cytokinesis results in the formation of __________.
random fertilization
Questions and CORRECT Answers
The chromosomes must be duplicated - CORRECT ANSWER - What must happen before
a cell can begin mitosis?
Prophase - CORRECT ANSWER - The centrosomes move away from each other and the
nuclear envelope breaks up during which phase of mitosis?
Metaphase - CORRECT ANSWER - The chromosomes line up in the center of the cell
during which phase of mitosis?
Anaphase - CORRECT ANSWER - The sister chromatids separate and begin moving
toward opposite poles of the cell during which phase of mitosis?
Telophase - CORRECT ANSWER - The chromosomes arrive at the poles and nuclear
envelopes form during which phase of mitosis?
cytokinesis - CORRECT ANSWER - At the end of the mitotic (M) phase, the cytoplasm
divides in a process called _________________.
Benign Tumor - CORRECT ANSWER - a ____ is a lump of abnormal cells that, although
growing out of control, remains at its original site
Malignant Tumor - CORRECT ANSWER - a ___ is an abnormally growing mass of cells
that is actively spreading through the body
Metastasis - CORRECT ANSWER - the spread of cancer cells from their site of origin to
other sites in the body
, Cancer - CORRECT ANSWER - an individual with a malignant tumor is said to have
They interfere with cell division. - CORRECT ANSWER - What is the primary
characteristic of chemotherapy drugs that causes them to target cancer?
Gametes are produced by meiosis. - CORRECT ANSWER - Which of the following is
true about the human life cycle?
meiosis ... fertilization - CORRECT ANSWER - Sexual reproduction requires the cellular
process of __________ followed by __________.
four haploid cells. - CORRECT ANSWER - Meiosis starts with a single diploid cell and
produces
interphase - CORRECT ANSWER - A cell preparing to undergo meiosis duplicates its
chromosomes during
homologous chromosomes stick together in pairs. - CORRECT ANSWER - During
prophase I of meiosis,
prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II. - CORRECT
ANSWER - The correct order of events during meiosis is
prophase I. - CORRECT ANSWER - During meiosis, segments of nonsister chromatids
can trade places. This recombination of maternal and paternal genetic material is a key feature of
meiosis. During what phase of meiosis does recombination occur?
four haploid cells - CORRECT ANSWER - A single cell passing through meiosis and
cytokinesis results in the formation of __________.
random fertilization
