A biologist was testing E. coli for thymidine requirement. She found a thy- point mutant and wanted to study reversion to thy+. She grew 20 cultures of the thy- mutant strain and plated them onto 20 plates that contained media to select for thy+ revertants. She obtained a total of […]

__16)  Which of the following bacterial types can produce endospores, enabling them to survive hundreds of years in a dormant state? A)    Vibrio                    C) Clostridium B)    Bacillis                  D) A & B Only           E) B & C Only __17)  Exposure to oxygen will kill… A)    obligate anaerobes             C) facultative aerobes B)    […]

1) You have been given the following given solutions of the compound ( mol. Wt= 500). State the volume you would require to pipette to add 10 µmoles of this compound utilizing these solutions? i) 40 mM ii) 25mg/dL iii) 0.5%(w/v) iv) 250 mg/ml 2) Your topic for evening will […]

Article:Live Births from Domestic Dog (Canis familiaris) Embryos Produced by In Vitro Fertilization 1. Reading scientific research articles can be challenging. It helps to look up the definitions of unfamiliar terms along the way. Read the recently published article “Live births from domestic dog (Canis familiaris) embryos produced by in […]