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[Front]

way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other. Cooperation

[Back]

Mutualistic–

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FINAL MICRO PT 2 - Details

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1) Chapter 1 View

Questions:

45 questions

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Way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other. Cooperation

Mutualistic–

-blocks binding sites keeps it from being active

Neutralization-

-mechanisms that either keep pathogens out or destroy them regardless of their type

Non-specific defenses

Causing developments of a tumor or tumor

ONCOGENIC

A unit made up of linked genes that is thought to regulate other genes responsible for protein synthesis

OPERON

Causes disease when the host's defenses are compromised and when they become established in a part of the body that is natural to them

OPPORTUNISTIC PATHOGEN

The movement of water from an area of higher concentration to an area of lower concentration through a selectively permeable membrane

Osmosis

Cells of a chain remain partially attached and fold back, creating a side by side row of cells

Palisade

- the spread of an epidemic across continents

Pandemic

Is a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host.

Parasitism

Partial sterilization of a substance and especially a liquid (as milk) at a temperature and for a period of exposure that destroys objectionable organisms without major chemical alteration of the substance

Pasteurization-

Any agent such as a virus, bacterium, fungus, protozoan, or helminth that causes disease

Pathogen

Found in the cell walls of most bacteria, unique macromolecule composed of glycan chains cross linked with short peptide fragments

Peptidoglycan-

- A combining form meaning a thing that devours

Phage-

Clear, well defined patches in the cell sheet

Plaque-

Total number of existing cases with respect to the entire population

Prevalence-

Common feature of spongiform encephalopathies, distinct protein fibrils deposited in brain tissue of affected animals

Prions

, in contrast, lack a nucleus and other membrane-bound organelles, and have a simple cellular structure with a single circular chromosome and various plasmids.

Prokaryotes

Or cryophiles (adj. cryophilic) are extremophilic organisms that are capable of growth and reproduction in cold temperature

Psychrophiles

A colony of bacteria grown from the isolation of a single bacterial cell type

Pure culture

The activated repressor protein binds to the operator and prevents transcription. The trp operon, involved in the synthesis

Repressible operon-

Primary habitat in the natural world from which a pathogen originates

Reservoirs

Network of connective tissue fibers (reticulum)

Reticuloendothelial system

Synthesizes DNA from RNA

Reverse transcription-

Redness

Rubor

- the mechanical removal of most microbes

Sanitization

An organism that derives its nourishment from nonliving or decaying organic matter.

Saprobes

Occurs when primary infection is complicated by another infection caused by a different microbe

Secondary infection

General state in which microbes are multiplying in the blood and are present in large numbers

Septicemia

Sequelae

Long term or permanent damage to organs and tissues

The use of a single dye(color) to stain a bacterial smear

Simple stain

Flexible helix

Spirochete-

Formed by successive cleavages within a sporangium

Sporangiospore

-bacteria that are clustered together

Staph

That arrange themselves into chains

Strep- bacteria

Free of viable bacteria or viruses

Sterlie

Also known as sepsis or blood poisoning, is a serious medical condition that occurs when toxic substances, such as bacterial toxins or metabolic waste products, accumulate in the bloodstream and cause widespread damage to tissues and organs.

Toxemia

L- a natural or synthetic substance that kills or inhibits the growth of microorganisms such as bacteria, fungi and algae

Antimicrobial

This process refers to the conversion of DNA into messenger RNA (mRNA) by an enzyme called RNA polymerase.

Transcription

-This process refers to the conversion of mRNA into a protein by ribosomes

Translation

Motile feeding stage, requires ample food and moisture to remain active

Trophozoite

Solid mass of tissue that forms when abnormal cells group together

Tumor

Being in many places at once

Ubiquity

Small infectious agents that depend on living cells of other organisms for replication.

Virus

Infections spread between animals and people

Zoootic pathogen