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