What is the main purpose of the ependymal cells? (1 pt)

Consider two bacterial strains from the same species that live in different environments. Strain A has 3 spacers in its CRISPR array, while Strain B has 15 spacers. What can be inferred about their phage exposure histories and potential resistance profiles?

To ensure that Cas9 only cuts the DNA of foreign invaders and not the CRISPR array that has integrated into the bacterial genome, the repeated CRISPR sequence of a bacterium ________ contains the PAM sequence that is recognized by the species-specific Cas9 enzyme

What is the main idea of paragraph 6?     

The word “them” in the last sentence of paragraph 5 refers to…      Most don’t like the addition of “service charges,” the amounts that many restaurants and other businesses have tacked on to customers’ bills under various names, often to cover the higher costs of things like food and labor — without having to raise their prices. An overwhelming 72 percent of people oppose them, with only 10 percent saying they favor them. (paragraph 5)

What is the main idea of paragraph 6?     

After reading the whole article, which statement do you think the author would be most likely to agree with?     

Read the sentence below. Then, use the context to help you understand the word in bold. Choose the best definition of the word in bold.   “While other companies were focused on marketing their sites and increasing advertising revenues, Google stripped the search page of all distractions and presented users with a blank page consisting only of a company logo and a search box.” (paragraph 2) . The best definition of “stripped” in this sentence is…

Read the sentence below. Then, use the context to help you understand the word in bold. Choose the best definition of the word in bold.   “While other companies were focused on marketing their sites and increasing advertising revenues, Google stripped the search page of all distractions and presented users with a blank page consisting only of a company logo and a search box.” (paragraph 2) . The best definition of “stripped” in this sentence is…

According to the article, which of these is NOT a benefit that Google offers to its employees?