Why are restriction endonucleases considered a bacteria’s “innate immune system”? Why is CRISPR-Cas9 considered a bacteria’s “adaptive immune system”? What does CRISPR stand for? What is the difference between crRNA and tracrRNA? Why are both needed for Cas9 to function? What does PAM stand for? Where is it found? What is the difference between Non-homologous End Joining (NHEJ) and Homology Directed Repair (HDR)? What is the Guide RNA (gRNA) a chimera of? Why use a gRNA? What new things are researchers doing with CRISPR-Cas9? Reflecting on what you now know about CRISPR-Cas9, what are your thoughts on it’s use in humans and other organisms? What should we be allowed to do? Not do? Are viruses living? Why or why not? What does obligate intracellular parasite mean? What does every virus have? What is the difference between capsomers and capsids? What is the difference between a naked and enveloped virus? What are the benefits and disadvantages of each? How does each enter and exit a host cell? What is the difference between host range and tissue tropism? What is the difference between “+strand RNA viruses” and “–strand RNA viruses”? What must every –strand RNA virus bring into the cell with it? Do +strand RNA viruses have to turn into –strand at any point in their replication?

Restriction endonucleases, also known as restriction enzymes, are enzymes that are found in bacteria…

Answered: Why are restriction endonucleases…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Why are restriction endonucleases considered a bacteria’s “innate immune system”?

Why is CRISPR-Cas9 considered a bacteria’s “adaptive immune system”?

What does CRISPR stand for?

What is the difference between crRNA and tracrRNA? Why are both needed for Cas9 to function?

What does PAM stand for? Where is it found?

What is the difference between Non-homologous End Joining (NHEJ) and Homology Directed Repair (HDR)?

What is the Guide RNA (gRNA) a chimera of? Why use a gRNA?

What new things are researchers doing with CRISPR-Cas9?

Reflecting on what you now know about CRISPR-Cas9, what are your thoughts on it’s use in humans and other organisms? What should we be allowed to do? Not do?

Are viruses living? Why or why not? What does obligate intracellular parasite mean?

What does every virus have? What is the difference between capsomers and capsids?

What is the difference between a naked and enveloped virus? What are the benefits and disadvantages of each? How does each enter and exit a host cell?

What is the difference between host range and tissue tropism?

What is the difference between “+strand RNA viruses” and “–strand RNA viruses”? What must every –strand RNA virus bring into the cell with it? Do +strand RNA viruses have to turn into –strand at any point in their replication?

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

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