If Aaliyah is performing a gram stain, which of the following would lead to her gram-negative cell appearing as gram- positive

O a counterstaining with safranin instead of crystal violet

O b. Adding to much decolorization agent for too long

O c. using iodine as a primary stain

O d. Using old inoculum

O e. counterstaining with crystal violet instead of safranin

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate

The open ocean of any depth is called the