Blog

A escuchar. On Mother’s Day, Sofía’s family celebrate by …

Después de ir de compras. Emilia has finished shopping and is now speaking with her mother via video chat. Complete the dialogue by choosing the correct verb in each case and conjugating it in the present perfect tense. Emilia: ¡Mamá! ¿Qué tal? ¡Tengo mucho que contarte! Yo 1. (ser / estar) ________________ muy feliz durante mis vacaciones. Mamá: ¡Dime! ¿Adónde 2. (ir / hacer) ________________ hoy? Emilia: ¡Fui al centro comercial! Luis y yo 3. (estudiar / comprar) ________________ algunas cosas. Mamá: ¡Qué bueno! Y después de ir de compras, ¿ustedes 4. (hacer / preferir) _______________ algo más? Emilia: No, pero muy pronto vamos a ir a cenar. Yo no 5.  (ir / probar) ________________ la comida panameña, entonces vamos a ir a un restaurante panameño.

A LEER: ​   El Olonés quería ser bucanero porque…​

The overall average (or “average average”) of another process you are monitoring is 100 units, and the average range is 10. If you use a sample size of 6, what would the upper control limit on the R-chart be?

Suppose you had a problem where you needed to assign three professors – professors A, B, and C – to three courses: courses 1, 2, and 3. Each course only needs one professor to teach it, and each professor can only teach one course.  The costs (in thousands of dollars) for each professor to teach each course is shown in the table below.  Write a pure-0/1 integer program that would solve this problem optimally.  Be sure to define your variables explicitly.                  1         2         3         A       6        9        4         B      8       11       7         C      7       10       5

A form of Rickets is due to an X-linked dominant allele. Alice does not have Rickets, but her spouse Walter does have Rickets. What is the percent chance that their next child will be a daughter with Rickets? 

What is autoimmunity? 

A man begins to show symptoms of Alzheimer’s Disease in his early 40s and by his mid-40s he cannot perform tasks such as brushing his teeth. He has one biological son. What is the chance that his son will develop AD, too?

In a family of 4 siblings, 2 daughters and 2 sons, all show varying signs of an eye disease. They all share the same father and the same mother.  Neither parent has the disease.  Which of the following best explains this scenario?

What genes encode the classical MHC I proteins?