BIO SEMESTER 2 FINAL EXAM

Organisms that break down dead plants and animals into chemical nutrients that are released back into the soil, air and water

• Decomposers
• producers
• consumers

A temporary union of two organisms for the purpose of DNA transfer.

• Conjugation
• Transformation
• Transduction

The transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipent cell.

• Transformation
• Transduction
• Conjugation

Study of bacteria, archaeabacteria, viruses, unicellular eukaryotes

• microbiology
• histology
• mycology

A form of asexual reproduction in which one cell divides to form two identical cells.

• binary fission
• meiosis
• budding

Transfer of genetic material through a virus called a bacteriophage.

• Transduction
• Conjugation
• Transformation

spiral, helical, or corkscrew-shaped bacterium

• spirillum
• coccus
• bacillus

a microscopic, noncellular particle, composed of a nucleic acid core and a protein coat called the capsid; obligate parasite

• virus
• bacteria
• saphrophyte
• protist

a viral reproductive cycle in which copies of a virus are made within a host cell, which then bursts open, releasing new viruses

• lytic cycle
• lysogenic cycle

A cell that does not have an enclosed nucleus nor membrane bound organelles

• prokaryotic cell
• eukaryotic cell