Bio 280 exam 2 - Study guides, Class notes & Summaries

BIO 280 Exam 2 Dr. Herrick JMU; Questions and Answers

How many chromosomes are found in prokaryotes? - one What is another place that can have DNA in prokaryotes? - plasmid Bacteria generally have a? - single large chromosome Super Coiled DNA is - DNA packed and coiled which is held together by proteins. It is not bounded by a membrane. Plasmids - -Extrachromosomal circular DNA -Contain genes which are not necessary for the organism's survival but which may be useful to it (e.g antibiotic resistance genes, genes for enzymes which degr...

"-cide" - refers to killing. "Bacteriocide" kills bacteria, "fungicide" kills fungi, etc. "-static" - means 'to stand still'. Refers to an agent which prevents growth but doesn't kill. "Bacteriostatic" or "fungistatic" or "virustatic" agent "troph" means - eat A solution containing an antibiotic? - Filtration Abiogenesis - life arise from non-living matter Acidophiles - like low ph Active transport - Moving from lower to higher concentration. Aerotolerant - If there'...

How many chromosomes are found in prokaryotes? Answer> one What is another place that can have DNA in prokaryotes? Answer> plasmid Bacteria generally have a? Answer> single large chromosome Super Coiled DNA is Answer> DNA packed and coiled which is held together by proteins. It is not bounded by a membrane. Plasmids Answer> -Extrachromosomal circular DNA -Contain genes which are not necessary for the organism's survival but which may be useful to it (e.g antibiotic ...

_______________ can create new alleles of existing genes; ______________ can create novel genes. a. insertion mutations, retrotransposition b. unequal crossing over during meiosis, deletion mutations c. polyploidization, insertion mutations d. all of the above are correct - A Alleles a. are found at genetic loci. b. are always dominant or recessive. c. are alternative forms of a phenotype. d. are found in germline tissue only - A Although humans cannot synthesize ascorbic acid (vitamin...

Marine Bio Exam 1 Questions and Answers Aristotle - Correct Answer️️ -Considered by many to be the first marine biologist Recognized that gills are the breathing apparatus of fish Captain James Cook - Correct Answer️️ -One of the first to make scientific observations while sailing and include full time naturalist Series of 3 voyages, beginning 1768, he explored ALL the oceans. First to see Antarctic ice fields, land in Hawaii, New Zealand, Tahiti, and several other Pacific Islands...

ABCP Boards REAL EXAM QUESTIONS AND CORRECT ANSWERS|A+GRADE(BRAND NEW!!) Which drug is an anti-inflammatory drug used to decrease immune response to transplanted organs or tissue? - ANSWER- Solumedrol Name characteristics of silastic boot in the arterial pump head - ANSWER- *Is forgiving when it comes to pressurization *Degrades from the inside first *Degrades to an appreciable degree *Is coated with bio-friendly materials List three characteristics of an under-occlusive roller pump....

NURS 327 Midterm Exam Practice Questions and Answers (100% Pass) What is the level of prevention: a nurse holds a diabetes clinic for pts who have been diagnosed with diabetes. - ️️ Tertiary What level of prevention is this: A bullying survey is administered for all the 9th grade students at the local school. - ️️ Secondary A windshield survey is an element of what core function of public health? - ️️ Assessment What are the 3 core functions of public health? - ️️ 1. Asse...

ABCP Boards EXAM TEST VERIFIED SOLUTIONS 100% Which drug is an anti-inflammatory drug used to decrease immune response to transplanted organs or tissue? - ANSWERS Solumedrol Name characteristics of silastic boot in the arterial pump head - ANSWERS *Is forgiving when it comes to pressurization *Degrades from the inside first *Degrades to an appreciable degree *Is coated with bio-friendly materials List three characteristics of an under-occlusive roller pump. - ANSWERS 1. Inaccurate flo...