In the following picture, the bands are orange in color because of ————— binding to ————–.

In this quiz, you should be able to access our digital textbook through this link, also here: https://connect.mheducation.com/class/t-matthies-spch-1318-n02-spring-2025 *You may need to type your login information for McGrawHill Connect.  If so, this may not be the same as your Blinn login.  This will be the email address and password you originally used to set up your McGrawHill Connect account. For this quiz question, please answer the following: 1 – Were you able to access the textbook? YES OR NO 2 – If Yes, please type YES! & Did you have to log into McGrawHill or did the Connect screen simply pop-up? 3 – If No, please tell me more.

A fragment of DNA that is 3000 bases long will run farther than a 1000-bp long fragment during gel electrophoresis.

From the following figure, the accurate sizes of bands cannot be interpreted because  

After transformation of E. coli with pGFP , cells that take up the plasmid exhibit fluorescence upon exposure to UV because of expression of ————protein from the plasmid DNA.  

The following picture taken from a rotting potato? What conclusions can you make from the clear zones seen on the plate?

If you begin with 10 bacteria and the bacteria divide exponentially, how many bacteria will you have at the end of 2 hours?  The generation time of the bacteria is 20 minutes.

Shigella is an enteric pathogen that is associated with severe, bloody diarrheal disease.  Which of the following tests will differentiate Shigella from E.coli as the causative agent of disease? You may use the chart below as a reference to decide your answer.

Label A, B and C in the following figure.

In the following figure, the susceptibility of Staphylococcus aureus was tested against three antibiotics using the Kirby-Bauer method. Results showed an 11 mm clear zone (devoid of any growth) around cefoxitin (FOX); 26 mm clear zone around doxycycline (D) and no clear zone around oxacillin (OX).  Which of the following conclusions are most likely correct regarding the sensitivity of Staphylococcus aureus to antibiotics D and OX?