BSC1010 ACTUAL EXAM QUESTIONS WITH COMPLETE VERIFIED CORRECT ANSWERS LATEST UPDATE 2024/2025

BSC1010 ACTUAL EXAM QUESTIONS WITH COMPLETE VERIFIED CORRECT ANSWERS LATEST UPDATE 2024/2025 Describe the phases of the cell cycle Interphase: -Growth phase I or GI Phase: The cell grows and performs metabolic functions -S phase or Synthesis: The DNA replicates -Growth phase 2 or G2: The cell continues to grow and prepares for mitosis During what phase does DNA replicate? S phase of interphase Which phase results in 2 new cells? Mitosis What are homologous chromosomes? Two genetically similar chromosomes, one from each parent What are chromatids and where would you expect to find them? Before or after DNA replication A chromatid is 1/2 of a replicated chromosome. The attached strands are called sister chromatids... After the DNA is replicated. What is the primary role of spindle fibers? They help pull sister chromatids apart Define ploidy, diploid (2n) and haploid (1n). Ploidy: The number of sets of chromosomes in a cell Diploid: Containing two complete sets of chromosomes Haploid: having a single set of unpaired chromosomes Which cells in the human body undergo mitosis and do you think these cells are genetically identical or genetically different? Are the daughter cells 2n or 1n? -Somatic cells, 1 diploid (2n), two genetically identical -Stem cells, Bone cells, Blood cells, Muscle