genetics exam
Terms
undefined, object
copy deck
- virus
- non cellular particle that can reproduce only within living tissues
-
Which of the following structures are found in a bacteria?
a) mitochondria
b) nucleus
c) cell membrance
d) none of the above - c) cell membrane
- parasite
- living on living tissues
- order of infection
-
1) binding to receptor cite
2) entering cell or injecting genetic material
3) integration with host DNA
4) "restinG", waiting for the moment to replicate
5) taking over cell "machinery" -
Viruses are __________
)biological particles but not living
b) considered to be living organisms
c) contain both DNA and RNA inside their protein coat
d) it does not contain any carbon - a) biological particles but not living
-
Viruses have various shapes , but all have a core of DNA or RNA surrounded by
a) fat
b) carbohydrate
c) sugar molecules
d) protein - d) protein
-
Viruses are
a) unicellular
b) colonial
c) subcellular
d) noncellular - d) noncellular
- lysogenic
- host incorportates viral DNA without apparent harm
- an infected bacteria produces phage (or viral) particles because
- Its DNA has been altered by the phage DNA
-
Whihc of the following structures are found in a virus
a) cytoplasm
b) nucleus
c) cell membrane
d) none of the above - d) none of the above
- lytic cycle
- the breakdown of a cell from a viral invasion
- virulence
- capable of causing a disease