BIO 182 EXAM 1 COMPREHENSIVE QUESTIONS
AND CORRECT ANSWERS
◉ what is a gene?
Answer:
◉ What is the purpose of cell division?
Answer: Four events must occur for cell division:
1. Reproductive Signal
-initiate cell division
2. Replication
3. Segregation
4. Cytokinesis
◉ Binary Fission
Answer: In prokaryotes, binary fission results 2 new cells.
◉ Why can't
Answer:
◉ Chromosomes?
, Answer: wrapped up/ compiled DNA
- made of DNA and proteins.
Nucleosome
Chromatin
◉ Chromatin
Answer: uncoiled dna
◉ chromosomes
Answer: coiled dna
◉ The molecules that make up a chromosome are _________________
and __________________.
Answer: B. DNA; proteins
◉ Karyotype
Answer: the number, shapes, and sizes of the chromosomes in a cell.
◉ Ploidy
Answer: the number of homologous chromosomes in the cell.
◉ Diploid
AND CORRECT ANSWERS
◉ what is a gene?
Answer:
◉ What is the purpose of cell division?
Answer: Four events must occur for cell division:
1. Reproductive Signal
-initiate cell division
2. Replication
3. Segregation
4. Cytokinesis
◉ Binary Fission
Answer: In prokaryotes, binary fission results 2 new cells.
◉ Why can't
Answer:
◉ Chromosomes?
, Answer: wrapped up/ compiled DNA
- made of DNA and proteins.
Nucleosome
Chromatin
◉ Chromatin
Answer: uncoiled dna
◉ chromosomes
Answer: coiled dna
◉ The molecules that make up a chromosome are _________________
and __________________.
Answer: B. DNA; proteins
◉ Karyotype
Answer: the number, shapes, and sizes of the chromosomes in a cell.
◉ Ploidy
Answer: the number of homologous chromosomes in the cell.
◉ Diploid