Lab Exam 2 TEST ACTUAL EXAM COMPLETE 200- QUESTIONS AND CORRECT DETAILED ANSWERS

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Lab Exam 2

TEST 2024-2025 ACTUAL EXAM COMPLETE 200-

QUESTIONS AND CORRECT DETAILED ANSWERS

Quiz cell theory

Ans: all cells arise from pre-existing cells

Quiz cell cycle

Ans: cell growth and division is directly controlled

Quiz cancer

Ans: loss of cell division

Quiz karyokinesis

Ans: nuclear division

Quiz cytokinesis

Ans: cytoplasmic division

Quiz homologous chromosomes

Ans: matched pair of chromosomes

Quiz mitosis

Ans: two daughter nuclei are formed that are genetically identical to the original cell

Quiz meiosis

Ans: number of chromosomes is reduced to half the number of the original cell,
reductive cell divison

, Quiz ploidy

Ans: number of copies of chromosomes present in a cell

Quiz alleles

Ans: different versions of the same gene

Quiz interphase

Ans: preparing for cell division, DNA is uncoiled and chromosomes are not visible

Quiz G1

Ans: period of cell growth and doubling of organelles

Quiz S

Ans: DNA is replicated

Quiz G2

Ans: preparation for division

Quiz chromatin

Ans: diffuse, darkly stained material

Quiz sister chromatids

Ans: chromosome composed of two double helices of DNA

Quiz centromere

Ans: where chromatids are attached

Quiz prophase

Ans: chromatids condense and become visible, the nuclear membrane disappears,
centrioles migrate to opposite sides of the nucleus, spindle fibers connect to the
kinetochore

Quiz metaphase

Ans: chromosomes line up in the middle of spindle apparatus

Quiz anaphase