Bacterial conjugation

In a bacterium, elongated, hollow appendage used to transfer DNA to other cells.

Body plan having two corresponding or complementary halves.

Binary (prokaryotic) fission

Splitting of parent cell into two daughter cells; serves as an asexual form of reproduction in bacteria.

Having well-reoganized anterior head with a brain and sensory receptors.

Group of coelomate animals in which the second embryonic opening is associated with the mouth; the first embryonic opening, the blastopore , is associated with the anus.

Type of animal that has both male and female sex organs.

Organism that provides nourishment and/or shelter for a parasite.

Filament of the vegative body of a fungus.

Bacteriophage life cycle in which the virus takes over the incorporates its DNA into that of a bacterium; occurs preliminary to the lytic cycle.

Bacteriophage life cycle in the virus takes over the operation of the bacterium immediately upon entering it and subsequently destroys the bacterium.

Tangled mess of hyphal filamnets composing the vegative body of a fungus.

Cartlaginous-like supportive dorsal rod in all chordates sometime in their life cycle; replaced by vetebrae in vertebrates.

Species that is dependent on a host species for survival, ususally to the detriment of the host species.

Disease-causing agent such as viruses, parasitic bacteria, fungi, and animals.

In vertebrates, common passageway for both food intake and air movement; located between the mouth and the esophagus.

Group of coelomates animals in which the first embryonic opening (the blastopore) is associated with the mouth.

Body plan in which similar parts are arranged around a central axis, like spores of a wheel.

Organism that secretes digestive enzymes and absorbs the resulting nutrients back across the plasma membrane.

Two different species live together in a unique way; it may be beneficial, neutral, or detrimental to one and/or the other species.

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BIO 2 TERMS

CHAPTER 20-29

Question	Answer
Bacterial conjugation	In a bacterium, elongated, hollow appendage used to transfer DNA to other cells.
Bilaterial symmetry	Body plan having two corresponding or complementary halves.
Binary (prokaryotic) fission	Splitting of parent cell into two daughter cells; serves as an asexual form of reproduction in bacteria.
Cephalization	Having well-reoganized anterior head with a brain and sensory receptors.
Deuterostome	Group of coelomate animals in which the second embryonic opening is associated with the mouth; the first embryonic opening, the blastopore , is associated with the anus.
Hermaphroditic	Type of animal that has both male and female sex organs.
Host	Organism that provides nourishment and/or shelter for a parasite.
Hyphae	Filament of the vegative body of a fungus.
Lysogenic pathway	Bacteriophage life cycle in which the virus takes over the incorporates its DNA into that of a bacterium; occurs preliminary to the lytic cycle.
Lytic pathway	Bacteriophage life cycle in the virus takes over the operation of the bacterium immediately upon entering it and subsequently destroys the bacterium.
Mycelium	Tangled mess of hyphal filamnets composing the vegative body of a fungus.
Notochord	Cartlaginous-like supportive dorsal rod in all chordates sometime in their life cycle; replaced by vetebrae in vertebrates.
Parasites	Species that is dependent on a host species for survival, ususally to the detriment of the host species.
Pathogenic	Disease-causing agent such as viruses, parasitic bacteria, fungi, and animals.
Pharynx	In vertebrates, common passageway for both food intake and air movement; located between the mouth and the esophagus.
Protostomes	Group of coelomates animals in which the first embryonic opening (the blastopore) is associated with the mouth.
Radial symmetry	Body plan in which similar parts are arranged around a central axis, like spores of a wheel.
Saprobe	Organism that secretes digestive enzymes and absorbs the resulting nutrients back across the plasma membrane.
Symbiotic	Two different species live together in a unique way; it may be beneficial, neutral, or detrimental to one and/or the other species.

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