Bio105 test - Study guides, Class notes & Summaries

Who performed classic experiments that supported the semiconservative model of DNA replication? - Meselson and Stahl What separates the DNA strands during replication? - helicase A new DNA strand elongates only in the 5' to 3' direction because - DNA polymerase can only add nucleotides to the free 3' end. What is the role of DNA ligase in the elongation of the lagging strand during DNA replication? - It joins Okazaki fragments together

Which of the following is a defining characteristic of animals but not plants? - heterotrophic Being a heterotoph means - obtaining your food by eating other organisms what happened during the Cambrian explosion? - there was a rapid diversification of animal forms Most animals fall into one of how many phyla? - 9 How many of the animal phyla include single-celled animals? - 0 Which of the following best describes cnidarians? - They have radial body symmetry, tissues, and stinging cells F...

What is the function of DNA polymerase III? - to add nucleotides to the end of a growing DNA strand What is the function of topoisomerase? - relieving strain in the DNA ahead of the replication fork Which of the following covalently connects segments of DNA? primase DNA polymerase III DNA polymerase I ligase

Which of the following phyla is the most diverse and numerous? - arthropods Which phylum is most closely related to the arthropods? - roundworms Most chordates are - vertebrates the echinoderms are most closely related to the - chardates all vertebrates have - a skull and backbone

NUR101 Medical Surgical Nursing I - Fundamentals Syllabus Course Description This course focuses on the integration of cognitive and psychomotor domains of nursing practice. It introduces the students to the nursing process as central to all nursing actions. Classroom, laboratory and clinical experiences are provided to enable the student to acquire basic skills that focus on the self-care requisites of the adult. The student will learn to initiate nursing actions in response to identification...