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Homework answers / question archive / Week 3 Assignments — General Biology BSC1005E1-101112021 Imagine the DNA  DNA that molecule is like a twisted ladder

Week 3 Assignments — General Biology BSC1005E1-101112021 Imagine the DNA  DNA that molecule is like a twisted ladder

Biology

Week 3 Assignments — General Biology BSC1005E1-101112021
Imagine the DNA  DNA that molecule is like a twisted ladder. Identify the part(s) of make _ up the uprights of the ladder and the steps of the ladder. 
What bases in DNA pair up with each other forming "complementary base Pairs'? 
Explain how mitosis is an example of asexual reproduction. What are 2 characteristics of the daughter cells produced by mitosis? 
4. The Purpose of meiosis is to produce gametes for sexual reproduction. What are 2 characteristics of the daughter cells produced by meiosis? 
5. The cell cycle consists of the phases: Gl. S, G2, and mitotic cell division. Give a description of the events that occur in each of these phases. 6.  Cell division includes the division of the nucleus and division of the cytoplasm. What happens in both of these parts? ;Mitosis consists of four phases: prophase, metaphase, anaphase, and telophase. What are the key characteristics for each phase? 9 77: 8. Describe how cytokinesis in a plant cell is different from an animal cell. 
9. What is the purpose of the checkpoint in the cell cycle between G1 and S? 
Chapter 11: 
1. What is a gene, a locus, and an allele? 
2. Describe a karyotype. How can it be used to identify genetic disorders like Down Syndrome? 
3. How does nondisjunction affect the number of chromosomes in gametes? 
4. How does sexual reproduction produce genetic variability? 
Chapter 12: 

1. Describe the overall structure of a DNA molecule, including where the bases, sugars, and phosphates are located in this structure? 2. Describe the process of DNA replication, including the differences in the way the two strands are replicated, and the roles of helicase, DNA polymerase, and ligase enzymes. 
Chapter 13: 110,1.7. How does RNA differ from DNA? v3. What are the 3 types of RNA? What is the specific function of each? . Describe the process of transcription and translation. Chapter 14 1. What is Recombinant DNA? 2. Describe at least one current use of biotechnology in medicine. 
 

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