SOLVED

121) A cell duplicates its chromosomes during the ________ phase. A) Go B) G1 C) G2 D) Gm E) S 122) During mitosis, chromatids separate into daughter chromosomes during A) prophase. B) metaphase. C) interphase. D) telophase. E) anaphase. 123) Mitosis is to somatic cells as meiosis is to A) visceral cells. B) reproductive cells. C) plant cells. D) sensory cells. E) stem cells. 124) During this phase of cell division, the chromosomes uncoil, the nuclear membrane forms, and cytokinesis occurs. A) anaphase B) prophase C) interphase D) telophase E) metaphase 125) Before a cell divides, its DNA must be replicated to A) provide a backup copy of DNA in case the original DNA is damaged during mitosis. B) replace the DNA lost during transcription. C) supply each new cell with a full set of the genetic material. D) replace genetic instructions used by the original cell. E) use as an energy source during cytokinesis. 126) Which phase of the cell cycle has the most variable duration? A) S phase B) G0 phase C) G1 phase D) G2 phase E) V phase 127) Generally, cells with a very brief interphase and lacking a G0 phase A) are stem cells. B) do not exhibit cytokinesis. C) have brief life spans. D) are reproductive cells. E) lack the enzyme DNA polymerase. 128) During mitosis, two daughter cells form, each of which has A) a different number of chromosomes than the original cell. B) twice as many chromosomes as the original cell. C) the same number of chromosomes as the original cell. D) a lesser number of chromosomes than the original cell. E) half as many chromosomes as the original cell. 129) The correct order of phases in cell division is: A) prophase, interphase, anaphase, metaphase, telophase B) telophase, anaphase, metaphase, interphase, prophase C) interphase, prophase, anaphase, metaphase, telophase D) interphase, prophase, metaphase, anaphase, telophase E) metaphase, anaphase, interphase, prophase, telophase 130) If a cell has 18 chromosomes and undergoes mitosis how many chromosomes would each daughter cell have? A) cannot be determined B) 9 C) 36 D) 23 E) 18 131) The genetically programmed death of cells is called A) differentiation. B) replication. C) apoptosis. D) metastasis. E) mitosis. 132) An alternate term for tumor is A) neoplasm. B) cytoplasm. C) benign malignancy. D) primary metastasis. E) nucleoplasm. 133) Cancer cells A) are indistinguishable from normal body cells. B) have a slow mitotic rate. C) may exhibit metastasis. D) do not form neoplasms. E) generally form benign tumors. 134) As genes are functionally eliminated, the cell becomes limited in the range of proteins it can make. This specialization process is termed A) adaptation. B) differentiation. C) structural integration. D) cellular activation. E) apoptosis.