Biology Unit 2 - DNA, meiosis, mitosis, cell cycle

What are the components of DNA?

How is a nucleotide structured?

How are the two sugar-phosphate backbones held together?

How does specific base pairing work?

Describe the structure of bases in DNA

How does the structure of DNA make it adapted for its function?

What is a locus?

What are genes?

What is the function of a gene?

What is the triplet code?

Why is the base sequence of a gene important?

Give examples of non-coding nuclear DNA found in eukaryotes

How do genes code for polypeptides?

What are alleles?

What might differences in base sequence of alleles lead to?

How does DNA differ in eukaryotic and prokaryotic organisms?

What is a chromosome? Describe its structure

What are homologous chromosomes?

Why is meiosis necessary?

What's the difference between haploid and diploid cells?

Describe the process of meiosis

What is independent segregation of homologous chromosomes?

What is recombination by crossing over?

What happens during DNA replication?

Why is the process of DNA replication called semi-conservative?

What happens during mitosis and why is it important?

What happens during prophase?

What happens during metaphase?

What happens during anaphase?

What happens during telophase?

Outline the stages of mitosis in order

Why is mitosis important?

When does DNA replication take place?

What is the difference between interphase and mitosis?

What happens during interphase?

Outline the stages of interphase

How is the cell cycle affected in cancer patients?

How do cancer treatments kill cancer cells?

How do cancer treatments affect the cell cycle?

What is the problem with cancer treatment in relevance to normal cells?

Why are repeated doses of cancer treatment given with short breaks in between?

What is cell differentiation?

What is tissue in terms of cells?

What are organs in terms of tissue?

What is the difference between mitosis and meiosis?