Biology 1407 Test 2

Disease that is relatively new to a species, or has recently expanded its range.

Virus that infects bacteria

Disease-causing agent

Small, noncoding, infectious RNA

Noncellular,infectious particle of protein and nucleic acid; replicates only in a host cell

• Attachment • Penetration • Replication and synthesis • Assembly • Release

Bacteriophage replication where viral DNA is integrated into the host’s chromosome and is passed to the host’s descendants. (“stealth virus”)

Bacteriophage replication where virus replicates in its host and kills it quickly. (active penetration)

A viral enzyme that uses RNA as a template to make a strand of cDNA

Disease outbreak that occurs in a limited region

Disease outbreak with cases worldwide

Of a disease, an animal that transmits a pathogen from one host to the next

Two related viruses infect the same individual simultaneously and swap genes

• Most recently discovered and less well-known lineage of single-celled organisms without a nucleus • prokaryotes • “extremophiles”

• most diverse and well-known lineage of single-celled organisms without a nucleus • prokaryotes

uses carbon dioxide as carbon source and obtains energy by oxidizing inorganic molecules

organism that obtains both energy and carbon by breaking down organic compounds

assesses the microbial diversity

contains carbon from carbon dioxide and energy from light

organism that obtains its carbon from organic compounds and its energy from light

member of one of two single selled lineages (bacteria and archaea) that DON’T have a nucleus

• cell reproduction process of bacteria and archaea - asexual

horizontal gene transfer in which one bacterial or archaeal cell passes a plasmid to another

transfer of genetic material among existing individuals