BIOS-208 (CELL BIOLOGY) EXAM 4 QUESTIONS AND
ANSWERS!!
Key roles of cell division
Answers :development from a fertilized egg, growth, repair
Genome
Answers :all the DNA in a cell
Chromosomes
Answers :DNA molecules in a cell are packaged into
Chromatin
Answers :one long DNA molecule and the proteins that maintain its structure
Stages of cell cycle
Answers :interphase, mitosis
Interphase
Answers :duplication of cell contents
Mitosis
Answers :division of the nucleus
Cytokinesis
Answers :division of the cytoplasm
, Phases of interphase
Answers :G1, S, G2
G1 phase
Answers :cell contents (except chromosomes) double
S phase
Answers :Chromosomes double
G2 phase
Answers :cell growth continues
Sister chromatids
Answers :joined copies of the original chromosome
Centromere
Answers :Area where the sister chromatids of a chromosome are attached
Locus
Answers :position of a gene on a chromosome
Homologous chromosomes
Answers :Pair of chromosomes that are the same size, same appearance and same
genes.
Growth factors
ANSWERS!!
Key roles of cell division
Answers :development from a fertilized egg, growth, repair
Genome
Answers :all the DNA in a cell
Chromosomes
Answers :DNA molecules in a cell are packaged into
Chromatin
Answers :one long DNA molecule and the proteins that maintain its structure
Stages of cell cycle
Answers :interphase, mitosis
Interphase
Answers :duplication of cell contents
Mitosis
Answers :division of the nucleus
Cytokinesis
Answers :division of the cytoplasm
, Phases of interphase
Answers :G1, S, G2
G1 phase
Answers :cell contents (except chromosomes) double
S phase
Answers :Chromosomes double
G2 phase
Answers :cell growth continues
Sister chromatids
Answers :joined copies of the original chromosome
Centromere
Answers :Area where the sister chromatids of a chromosome are attached
Locus
Answers :position of a gene on a chromosome
Homologous chromosomes
Answers :Pair of chromosomes that are the same size, same appearance and same
genes.
Growth factors