Chapter 5 Key Terms
Explain Semi-Conservative DNA Replication The DNA double helix acts as a
template for its own duplication. DNA templating is the mechanism the cell uses
to copy the nucleotide sequence of one DNA strand into a complementary DNA
Cell Biology Exam Two Study Guide
Chapter 4 Key Terms
Chromatin Structure Each DNA molecule that forms a linear chromosome
must contain three structures: a centromere, a telomere, and a replication origin,
and these allow the eukaryotic chromosome to be r
Chapter 6: Transcription and Translation
From DNA to RNA
Before the synthesis of a particular protein can begin, the corresponding mRNA
molecule must be produced by transcription. Bacteria contain a single type of
RNA polymerase (the enzyme that carries
Chapter 4: DNA, Chromosomes and Genome
The Structure and Function of DNA
Genetic information is carried in the linear sequence of nucleotides in DNA. Each molecule of DNA is a
double helix formed from two complementary strands of nucleotides held togethe
Chapter 7: Control of Gene Expression
An Overview of Gene Control
The genome of a cell contains in its DNA sequence the information to make many thousands of different
protein and RNA molecules. A cell typically expresses only a fraction of its genes, an
Cell Biology Exam One Study Guide
Chapters 1, 2, 14, 3
Name the universal features of cells on earth
There are eight universal features of cells on earth.
(1) All cells store their hereditary information as DNA
(2) All cells replicate their hereditary inf
Cell Biology Final Exam (Four) Study Guide
Chapter 15: Mechanisms of Cell Communication
What are extracellular signal molecules? Give examples and explain their properties.
Extracellular signal molecules are the means by which communication between cells
Cell Biology Exam 3 Study Guide
Chapter 8: Experimental Methods: Manipulating Proteins, DNA and RNA
What are restriction enzymes?
Restriction enzymes or restriction nucleases cut large DNA molecules into fragments.
Restriction nucleases are purified from
Chapter 5: DNA Replication and Repair
The Maintenance of DNA Sequences
In all cells, DNA sequences are maintained and replicated with high fidelity. The
mutation rate, approximately 1 nucleotide per 10^9 nucleotides each time the
DNA is replicated, is ro
Chapter 17: Cell Cycle
What are the different stages of cell cycle?
The cell cycle is the reproduction cycle of a cell: the orderly sequence of events by which
a cell duplicates its chromosomes and usually the other cell contents and divides into two.