Sophia - Human Biology - Unit 6 Challenge 1
Sophia - Human Biology - Unit 6 Challenge 11 — Structure of DNA and Chromosomes Understand the structure of DNA. If one strand of a DNA double helix has bases "ATCCGC," what bases are on the other strand of the helix? • a.) GCCGAT • b.) GCTTAT • c.) TAGGCG • d.) TTCCGA 2 — Mitosis Identify various components of mitosis In which phase of mitosis do the chromosomes line up and become attached to spindle fibers? • a.) Prophase • b.) Telophase • c.) Metaphase • d.) Anaphase 3 — Meiosis and Genetic Variability Understand the process of meiosis and how it results in genetic variability Which of these is true about meiosis? • a.) Meiosis occurs in all type of cells. • b.) Meiosis causes an increase in the chromosome number. • c.) Meiosis results in the formation of haploid cells. • d.) Daughter cells are identical to the parent cell. 4 — DNA Replication Understand the process of DNA replication What is a change in a gene's sequence called? • a.) DNA replication • b.) Gene mutation • c.) Semiconservative replication • d.) DNA polymerases 5 — Protein Synthesis, Part 1: Transcription Identify the components of transcription
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