Identify the data link trailer blocker

What is stored in str after the following code executes? string str = "computer science"; int i = 0; while (i < 8) { if (str.indexof("m") < i) { str = str.substring(0, 2) + str; } i += 2; } computer science cocomputer science cococomputer science cocococomputer science computer scienceco

How does access indicates that a filter has been applied to a specific column

Shown below is the start of a coding region within the fist exon of a gene. 5'--3' 3'--5' how many cas9 pam sequences are present?