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Micro Ch.5
N/A
102
Biology
Undergraduate 1
02/21/2012

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Cards

Term
Which organelles have an inner and outer membrane?
Definition
Mitochondria and nucleus
Term
Which two organelles have DNA and ribosomes?
Definition
Mitochondria and Chloroplast
Term

Are short and beat in synchrony 

Definition
Cilia
Term

Long and move by a whip-like motion

Definition
Flagella
Term
Glycocalyx functions:
Definition
Protection, Adherence to surfaces, recieve signals from other cells
Term
Glycolyx is composed of
Definition
polysaccharides
Term
Cell walls of fungi and algae are
Definition
rigid
Term
Cell walls are composed of an inner layer of _____ and a thin layer of _____.
Definition
Chitin or cellulose, glycans
Term
Cytoplasmic membrane has a typical _______ containing proteins and _______.
Definition

Phospholipid bilayer

Sterols- rigid molecules not found in prokaryotes

Term
Nucleus has 2 membranes
Definition

Inner- interacts with nuleoplasm

Outer- continous with ER

Term
Rough Endoplasmic Reticulum is a major site of synthesis of
Definition
membrane proteins, glcoproteins, and new membranes
Term
Smooth ER participates in synthesis of
Definition
lipids and carbohydrate metabolism
Term
Golgi Apparatus is thought of as a packing machine what three things does it do?
Definition

1. Products are chemically modified 

2. Targets proteins for secretion

3. Adds sugar residues

Term

Contain digestive enzymes that break down macromolecules into monomers

Definition
Lysosomes
Term

Site of respiration and oxidative phosphorylation 

Definition
Mitochondria
Term
Chloroplast contain
Definition
Chlorophyill and is found in plants and algae
Term
Peroxisomes function to
Definition
produce H2O
Term
Cytoskeleton functions:
Definition
Cell shape, movement, and directs traffic within cell
Term
Three protein filaments that make up cytoskeleton:
Definition

1. Microfilaments- polymers of actin

2. Microtubules

3. Intermediate filaments

Term
Three types of fungi:
Definition

1. Yests

2. Molds

3.Mushrooms

Term
Live at extreme temps and pH making the common contaminants of food
Definition
Chemoorganotrophs/heterotrophs
Term
Most fungi are
Definition
Saprobes- nutrients that come from dead plants and animals
Term
Molds are what typr of fungi?
Definition
Filamentous fungi
Term
Most molds are what?
Definition
Obligate aerobes
Term
Hypha
Definition
a single filament
Term
Mycelium 
Definition
Individual hypha forming branches
Term
Asexual spores formed on hyphal branches
Definition
Conidia
Term
3 characteristics of condia
Definition

1. Usually pigmented

2. Resistant to drying

3. spread in air to new habitats

Term
Hyphae can be ________ or __________
Definition
vegatative, reproductive
Term
Asexual Spores are diploid cells that form:
Definition

1. In a sporangium(sack)- sporangiospores

2. Budding from the tip of a hypha- canidospores

Term
Sexual spores
Definition
Formed from fusion of unicellular gametes or two haploid spores
Term
Ascospores
Definition
Sexual spores formed within ascus(sac)
Term
Basidiospores
Definition
Sexual spores at the end of a club-shaped structure
Term
Zygospores
Definition
Formed by bread mold
Term
Basidiomycetes
Definition
Wood-rotting fungi
Term
Mushrooms
Definition
Form large fruiting bodies
Term
Sexual spores basidiospores, of mushrooms form
Definition
underside, gills, of fruiting body and dispersed by wind 
Term
Yeasts divide by
Definition
budding or mating
Term
What form of fungi is Candida albicans
Definition
Yeast
Term
Most fungi are
Definition
faculative aerobes
Term
Saccharomyces are what type of fungi
Definition
Yeast
Term
Asomycota (Perfect)
Definition
Sexual and asexual spores
Term
Deuteromycota(Imperfect)
Definition
Asexual spores
Term
Mycoses
Definition
Fungal infections
Term
Primary pathogens
Definition
Infect healthy people (Superficial and Systemic)
Term
Opportunistic pathogen
Definition
Immunocompromised host
Term
Algae contain ______ and ________, and most contain one or more _______
Definition
Chlorophyll and oxygenic photosynthesis, chlroplasts
Term
Dinoflagellates are flagellated ______ algae. Some are _____ and some are ________ with animals that make up coral reefs.
Definition

Marine

Free-living, symbionts

Term
Dinoflagellates form ___________ which kill fixh and humans who eat it - potent _________
Definition
Red tide, neurotoxin
Term
Pfiesteria pscicida causes
Definition
Massive fish kills- neurotoxin that affects fish
Term
Algae are classified based on (5):
Definition

1. Pigmnets

2. Reserve polymers (starch)

3. Cel wall sx

4. Metabolism

5. Motility

Term
Cell wall of algae is composed of
Definition
cellulose fibers (some strengthened with calcium carbonate)
Term
Diatoms
Definition
Cell walls composed of silica
Term
Algae can be found in
Definition
Water, soil, porous rocks
Term
Algae can withstand
Definition
low pH
Term
Protozoa are unicellular eukaryotic microorganisms that:
Definition

1. Do not have cell walls

2. Colorless and motile by ectoplasm(inch worm)

3. Lack chlorophyll and chloroplasts (photosynthesis)

4. Do not form fruiting bodies

5. May be motile

Term
Protozoa are found in:
Definition

1. Water

2. Parasitic in humans and animals

3. Soil and aerial (tree) habitats

Term
Protozoa feed by:
Definition
Ingesting particles via phagocytosis and swallow using a gullet
Term

Protozoa motility- taxanomic groups

1. Flagella

2. Cilia

3. Amoeboid actions/pseudopods

4. Nonmotile/parasitic

Definition

1. Mastigophora (Mast of boat)

2. Ciliophora

3. Sarcodina

4. Apicomplexa

Term
Protozoa have a feeding stage called
Definition
Trophozoite
Term
Protozoa form _____ called a _________.
Definition
Resting stage, cyst
Term
Protozoa reproduce
Definition
asexually 
Term
Mastigophora
Definition
The Flagellates
Term
The flagellates are either_______ or_________.
Definition

1. Free-living

2. Parasitic

Term
Flagellates are ________ to humans and animals.
Definition
Pathogenic
Term
Tryanosome brucei
Definition
African sleeping sickness
Term
African sleeping sickness is transmitted by:
Definition
Tsetse fly
Term
African sleeping sickness invades _________.
Definition
CNS
Term
Trichomonas vaginalis is what? And lives in what?
Definition

STD

Lives in intestinal tract of vertebrates and invertebrates

Term
Giardia intestinalis is a _______ illnes that induces what?
Definition

water and foodborne

Induces foul-smelling cramping diarrhea

Term
Leishmania is transmitted by _______ which leads to __________.
Definition
Sandflies, visceral or cutaneous infection leading to liver failure
Term
Euglenoids contain _______ and are exclusively _________ and _________.
Definition
Chloroplasts, aquatic, nonpathocenic
Term
Sarcodina
Definition
The Amoebas
Term
Amoebas consist of both __________ _________ and ________ ________.
Definition
Shelled foraminifera, unshelled amoeba
Term
Microorganisms living in coastal waters that form shells. Usually composed of calcium carbonate.
Definition
Foraminifera
Term
Causes ulcerations of GI tract incluiding amoebic dysentery
Definition
E. histolytica
Term
Ciliphora
Definition
Ciliates
Term
Ciliates have two types of nuclei: micsonucleus which functions with inheritance and _________, and macronucleus which is only involved in the production of _____ and cell growth and fxn.
Definition
sexual reproduction, RNA
Term
Best known and most widely distributed ciliate
Definition
Paramecium
Term
Ciliates obtain food by
Definition
Distinct oral region connected to a gullet. Food enters cytoplasm, enclosed in food vacule and digested
Term
Trichocysts
Definition
Long, thin filaments that attach to the surface and can signal celll to attack or defend
Term
Ciliate that is parasitic for animals and humans
Definition
Blantidium coli (dysentery)
Term
Large group of obligate protozoan parasites
Definition
Apicomplexa/Sporozoans
Term

Sporozoans causitive agents:

1. Malaria

2. Toxoplasmosis

3. Coccidiosis

Definition

1. Plasmodium

2. Toxoplasmosis

3. Eimeria

Term
Sporozoans form resting structures called
Definition
Sporozoites- fxn in transmission of protozoa
Term
Carried in mosquitoes and transmitted to birds and humans
Definition
Plasmodium
Term
Sporozoans cintain plastid called _______, but incapable of photosynthesis
Definition
apicoplast
Term

Trypanasoma cruzi

 

Lifecycle dependent on __________

Definition

South and Central American Chagas Disease

Reduviid bug (Kissing bug)

Term

T. cruzi multiplies in ________ of _________.

And grows by multiplying in _____ and ______ of the mammal

Definition

GI tract of reduviid bug

Muscle and WBCs

Term
Amoebic dysentery caused by
Definition
Entamoeba histolytica 
Term

Lifecycle of Amoebic dysentery

1. Humans ingest food/water with _________ that pass through stomach unharmed

2._______ germinates in small intestine and divides to form ________.

3. ________ migrate to _______ and may invade ______, ________, and _______.

Definition

1. cysts

2. cysts, trophozoite

3. trophozoites; small intestine; liver, lungs, and skin

Term
Symptoms of Amoebic dysentery
Definition
Nausea, vomiting, and bloody diarrhea that can lead to weight loss and dehydration
Term
Parasitic worms whose adult forms can be seen by the naked eye
Definition
Parasitic Helminths
Term
Two major groups based on Morphology
Definition

Platyhelminths (flatworms)

Aschelminths (nematodes)

Term
2 Platyhelminths (flatworms)
Definition

Cestodes (tapeworms)

Trematodes (flukes)

Term
Morphology of parasitic helminths
Definition
Multicellular with organs and organ systems- GI system and reproductive tract
Term
Reproduction of parasitic helminths
Definition
With male and female forms and hermaphroditic
Term

Parasitic Helminths lifecycle requires transmission of infective form to body of new host

2 kinds of hosts

Definition

Intermediate host- transports parasite

Definitive host- adulthood and mating

Term
Taenia Saginata
Definition
Beef tapeworm
Term
Causes common infestation of large intestine
Definition
Pinworm or seat worm
Term
Cycle of E. vermicularis begins when person swallows ____, ______ ________ and matures in 1 month. Female worms deposit eggs in ______. _________ contaminates fingers and spreads to other objects.
Definition
egg, egg hatches, anus, itching
Term
Helminths identified by 6 things:
Definition

1. Shape

2. Development of organs

3. Presence of hookers, suckers and other sxs

4. Mode of reproduction

5. Kinds of hosts

6. Appearance of eggs or larvae

 

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