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BIOS 280 Test 2 Questions and Answers 100% Pass
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BIOS 280 Test 2 Questions and Answers 100% Pass
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BIOS 280 Test 2 Questions and Answers 100% PassBacteria generally have ____ large chromosome(s). Correct Ans-one
The genetic material, chromosome, is not bounded by a ________. Correct Ans-membrane
Chromosomes are __________, meaning they are coils on coils. Correct Ans-supercoiled
_______ are extrachromosomal circular DNA. Correct Ans-plasmids
________ contains genes which are not necessary for the organism's survival but may be
useful for it. Correct Ans-Plasmids
An example of usefulness of plasmids Correct Ans--Antibiotic resistance genes
-genes for enzymes which degrade pollutants for consumption by the cell
Plasmids can only be transferred __________, meaning from a mature cell to a mature cell.
Correct Ans-horizontally
, BIOS 280 Test 2 Questions and Answers 100% Pass
A cell may contain no plasmids, one plasmid, or many copies of a plasmid. A single host can
also contain a number of different plasmids. Correct Ans-
Review: lens that serves to concentrate light from the illumination source that is in turn
focused through the object and magnified by the objective lens. Correct Ans-condensor
Review: What is the strongest bond? Correct Ans-covalent bond
Review: What is responsible for the oxygen on the planet? according to the book? Correct
Ans-cyanobacteria
Review: Penicillin binds to __________. Correct Ans-transpeptidase
Review: T/F: Sugars are able to pass through cell walls. Correct Ans-True
T/F: Prokaryotes have chromosomes. Correct Ans-True
T/F: Bacteria can have DNA in other places besides the chromosome. Correct Ans-True
, BIOS 280 Test 2 Questions and Answers 100% Pass
_________ contains genetic material, ribosomes, and storage bodies and inclusions.
Correct Ans-Cytoplasm
Genetic material within cytoplasm consist of __________ and ________. Correct Ans-
chromosomes, plasmids
Generally, ___________ do not have plasmids. Correct Ans-eukaryotes
If cells bump into each other, they can _________ plasmids; this transfers genes and explains
how RESISTANCE occurs. Correct Ans-transfer
Plasmids are used as _______ for transferring DNA in genetic engineering. Correct Ans-
vectors
_________ are used for constructing proteins from messenger RNA (mRNA). Correct Ans-
Ribosomes
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