Which line of code will find the first occurrence of a three in an array? Assume that you have previously imported the array module and created the array.

arr. index(3)
index(arr, 3)
arr. index[3]
index[arr,3]

In the context of it jobs in the information systems field. a is responsible for database design and implementation

When is an original work considered public domain? a. when posted via social media b. when it is posted on the internet c. when a copyright symbol is not included with the piece of work d. when explicit permission is given by the author / owner

Which best describes the role or restriction enzymes in the analysis of edna a. to break dna into fragments that vary in size so they can be sorted and analyzed b. to amplify small amounts of dna and generate large amounts of dna for analysis c. to purify samples of dna obtained from the environment so they can be analyzed d. to sort different sizes of dna fragments into a banding pattern that can be analyzed