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37 Cards in this Set

  • Front
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Microbe

The tiny living thing that can not be seen with out microscopic

Virus

Is an infectious particle that reproduce by commandeering a host cell and using its machinery to make more virus.


Tiny, non living particle that invade and then reproduce inside a living cell

Pathogen

Any disease- producing agent ( specially a virus or bacterium or other microorganism )

Pandemic

An epidemic that is geographically widespread

Prokaryotic cell

A cell that lack a nucleus and other membrane bound organelles; include Achaea and bacteria

Eukaryotic cell

A cell containing a nucleus and other membrane bound organelles

Mycelium

A cluster of interwoven mass of hyphae aids the fungus in eating and reproduction

Motility

Is the ability of an organism to move by itself


Seen only in eukaryotic organism


Done only in multicellular organisms

Nucleoid

Is the region of the a prokaryotic cell that houses the primary DNA. This lesson briefly discusses the nucleoid and its characteristic and how it compares to the nucleus of the eukaryotic cell

Plasmid

A small, circular, double stranded DNA molecule, which can replicate independently from its chromosomal DNA.


If plasmids are used for experiments, they are called vector

Transformation

Naked DNA uptake by bacteria

Horizontal gene transfer

The transfer of gene from one genome to another through mechanism such as transposable elements, plasmid exchange, virtual activity, and perhaps, fission of different organisms

Horizontal gene transfer

The transfer of genes from one genome to another through mechanism such as transposable elements, plasmid exchange, viral activity, and perhaps, fission of different organism

Transformation

A movement of a figure in a plane from its original position, the pre-image, to a new position, the image

Mycorrhizae

Special symbiotic relationship between fungus and plant root. Plant provides fungus with organic molecules;


Fungus provides plant with greater access to reliable source of inorganic nutrient

Transduction

the process of using a bacteriophage to move pieces of chromosomal DNA from one bacterial cell to another

F factor

A fertility factor in bacteria;


A DNA segment that confers the ability to form pili for conjugation and associated functions required for the transfer of DNA from donor to recipient. It may exist as a plasmid or be integrated into the bacterial chromosome

Hfr cell

A cell with the F plasmid integrates into the chromosome

Lichen

Is a fungus that consists of two or more species of organism that live together with photosynthesis partner.


The fungus is the shelter or protector of the grouping, while the photosynthetic partners provide the food

Antibiotic resistance

Ability of bacteria or other microbes to resist the effects of an antibiotic

Bioremediation

Is the process of cleaning up environmental sites contaminated with chemical pollutants by using living organisms to degrade hazardous material into less toxic ones

Phototroph

The process that converts solar energy into chemical energy

Chemotroph

Can not photosynthesize


Obtain their energy from other resource

Autotroph

An organism that is able to capture energy from sunlight or chemicals and use it to produces its own food

Heterotrophs

An organism that can not make its own food and gets its food by consuming other living things

Obligate aerobic

An organism that requires oxygen to grow. Through cellular respiration, there organism use oxygen to metabolize substance, like sugar or fats, to obtain energy

Obligated anaerobic

Are microorganisms that are killed by normal atmospheric concentrations of oxygen

Spore

can form within vegetative cells and can cause spoilage of high acid foods

Aerobic respiration

Process that occurs mostly in the mitochondrion that requires oxygen gas, consumes sugar and produces ATP, every efficient

Anaerobic respiration

Occurs in cytosol, no oxygen present, makes ATP, much less efficient

Facultative anaerobic

Organisms that can produce energy via a robin respiration using oxygen as the final electron acceptor, or in the absence of oxygen, can perform fermentation or anaerobic respiration, which uses something besides oxygen as a final electron acceptor such as sulfate

Nitro fixation

Process by which N2 is reduced to NH3 by nitrogen and then converted to cellular material

Parasitism

A relationship in which one kind of organism lives on or in another organism and may harm

Mutualism

A relationship in which both plants/ animal benefit

Commensalism

A relationship between 2 plants/ animals in which one benefits and the other is uncharged

Gram-negative bacteria

stain is pink, thin peptidoglycan


3 layers in cell envelope


-Inner membrane ( lipid bilateral)


- thin peptidoglycan layer


- outer membrane

Gram- positive bacteria

Bacteria that retains purple stain inside the wall during the gram staining procedure, it has the thick peptidoglycan layer, purple positive protein