Sophia - Human Biology - Unit 6 Challenge 1

Sophia - Human Biology - Unit 6 Challenge 1
1 — 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