Pathophysiology Chapter 5

20 terms by nicoleromoff

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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

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