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20 terms

Pathophysiology Chapter 5

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DNA is composed of four nucleotide bases: adenosine, cytosine, uraceil, and guanine. T or F
False
Binding of nucleotides is specific such that cytocine (C) always binds with guanine (G). T or F
True
Translation is the process of vonverting a section of DNA to messenger RNA. T or F
False
Cell division resulting in 2 daughter cells is known as mitosis. T or F
True
Organization of actin and mysosin is identical in all types of muscle cells. T or F
False
It is estimated that the human genome contains approximately ______ genes
25, 000
Deoxyribnucleotides are linked by bonds between ______ _______
Sugar-phosphate
Sythnesis of mRNA from DNA template is termed ______
Transcription
More than ____ different types of cells are found in the adult human body
200
____ cells and _____ muscle are terminally differentiated and therefore unable to proliferate.
nerve; cardiac
Cells differ in structure and function becuase they:
selectively express certain genes that give them their character.
The critical factor for initiation of gene transcription is
assembly of transcription factors at the promoter area
The deothelium that lines the blood vessels is categorized as:
epithelial tissue
What are the necleotides bases foun din RNA
Adenosine; cyosine; urasil; guanosine
A codon is
a sequence of three nucleotides that code for an amino acid
The normal human genome consists of
46 chromosomes
Genes that code for a particular train come in several forms called
alleles
Examples of connective tissue inclue
cartilage
The processes that allow individual cells to develop into complex organisms include all of the following except:
a. cell-to-cell interaction
b. cellular mutation
c. cellular spcializaiton
d. cellular proliferation
cellular mutation
Transcription is inhibited by:
repressor proteins