Cells used for any commercial purpose without the written - PDF document

Slide 1 / 52 Slide 2 / 52 New Jersey Center for Teaching and Learning Progressive Science Initiative This material is made freely available at www.njctl.org and is intended for the non-commercial use of students and teachers. These materials may not be Cells used for any commercial purpose without the written permission of the owners. NJCTL maintains its website for the convenience of teachers who wish to make their work available to other teachers, Multiple Choice participate in a virtual professional learning community, and/or provide access to course Review materials to parents, students and others. Click to go to website: www.njctl.org www.njctl.org Slide 3 / 52 Slide 4 / 52 1 Animal cells, on average, have a diameter of 10 µm. The typical T4 bacteriophage, on the other hand, is 225 nm long. What is the length of a bacteriophage in µm? Answer Quantitative Review Slide 4 (Answer) / 52 Slide 5 / 52 1 Animal cells, on average, have a diameter of 10 2 A rectangle is 8 cm long, 19 cm wide, and 5 cm µm. The typical T4 bacteriophage, on the other thick. The surface volume to ratio of the rectangle hand, is 225 nm long. What is the length of a is 1:x. Solve for x, rounding to one decimal place. bacteriophage in µm? Answer Answer 0.225 µ m [This object is a pull tab]

Slide 5 (Answer) / 52 Slide 6 / 52 2 A rectangle is 8 cm long, 19 cm wide, and 5 cm 3 The illustration below shows the results from gel thick. The surface volume to ratio of the rectangle electrophoresis: is 1:x. Solve for x, rounding to one decimal place. What is the approximate size of the DNA fragment in the unknown sample? Answer Answer 1.3 [This object is a pull tab] Slide 6 (Answer) / 52 Slide 7 / 52 3 The illustration below shows the results from gel 4 The tobacco mosaic virus is an RNA virus that is electrophoresis: shaped like a rod and has a length of 250 nm. The plant cells that this virus infects have an average What is the approximate size of the DNA fragment size of 100µm. What is the size of the plant cells in in the unknown sample? nm? Answer Answer 2250 bp [This object is a pull tab] Slide 7 (Answer) / 52 Slide 8 / 52 4 The tobacco mosaic virus is an RNA virus that is 5 A sphere with a diameter of 90 nm has a surface shaped like a rod and has a length of 250 nm. The volume to ratio of 1:x. Solve for x. plant cells that this virus infects have an average size of 100µm. What is the size of the plant cells in nm? Answer Answer 100,000 nm [This object is a pull tab]

Slide 8 (Answer) / 52 Slide 9 / 52 5 A sphere with a diameter of 90 nm has a surface 6 The illustration below shows the results of volume to ratio of 1:x. Solve for x. running a DNA size standard through gel electrophoresis. What is the mean for DNA size in this sample? Answer 30 Answer [This object is a pull tab] Slide 9 (Answer) / 52 Slide 10 / 52 1 Various materials are transported into and out of 6 The illustration below shows the results of cells by simple diffusion. The rate at which these running a DNA size standard through gel materials diffuse is related to the surface area to electrophoresis. What is the mean for DNA size in volume ratio of the cell. Which of the following this sample? cube-shaped cells would be most efficient at Answer removing waste by diffusion? Answer 1000 bp A L = 0.02 mm B L = 0.04 mm [This object is a pull tab] C L = 0.03 mm x W = 0.02 mm L = 0.06 mm x W = 0.04 mm D Slide 10 (Answer) / 52 Slide 11 / 52 1 Various materials are transported into and out of 2 All cells have some similar cellular components. cells by simple diffusion. The rate at which these Which of the following is not found in all cells? materials diffuse is related to the surface area to volume ratio of the cell. Which of the following cube-shaped cells would be most efficient at A Membrane removing waste by diffusion? Answer Answer A Nucleus B A L = 0.02 mm Ribosomes C Cytoplasm D L = 0.04 mm B [This object is a pull tab] L = 0.03 mm x W = 0.02 mm C D L = 0.06 mm x W = 0.04 mm

Slide 11 (Answer) / 52 Slide 12 / 52 2 All cells have some similar cellular components. 3 Halobacteria are a type of bacteria that lives in water with high salt concentrations. Sargassum Which of the following is not found in all cells? are brown macroalgae (a type of plant), some of which are known to float freely in the surface waters of the ocean. Which of the following A Membrane Answer statements does not describe a difference B B Nucleus between halobacteria and sargassum? Answer Ribosomes C Cytoplasm D A Sargassum are larger than halobacteria. [This object is a pull tab] B The cells of sargassum have organelles while the cells of halobacteria do not. C Halobacteria contain chromosomes in a nucleus while sargassum contain chromosomes in a nucleoid region. D Sargassum are multicellular while halobacteria are unicellular. Slide 12 (Answer) / 52 Slide 13 / 52 3 Halobacteria are a type of bacteria that lives in 4 Which of the following organelles do not have a water with high salt concentrations. Sargassum double membrane? are brown macroalgae (a type of plant), some of which are known to float freely in the surface waters of the ocean. Which of the following A Mitochondria statements does not describe a difference Answer Chloroplast B between halobacteria and sargassum? Answer C Golgi apparatus C D Nucleus A Sargassum are larger than halobacteria. B The cells of sargassum have organelles while the cells of halobacteria do not. [This object is a pull tab] C Halobacteria contain chromosomes in a nucleus while sargassum contain chromosomes in a nucleoid region. D Sargassum are multicellular while halobacteria are unicellular. Slide 13 (Answer) / 52 Slide 14 / 52 4 Which of the following organelles do not have a 5 HIV is a retrovirus that causes AIDS and ultimately double membrane? results in the failure of the immune system. Smallpox is a DNA virus that results in severe rash and blisters. What is an important difference A Mitochondria between the two viruses? Answer Chloroplast B Answer C A HIV uses the host RNA while smallpox uses the host DNA. Golgi apparatus C Nucleus B HIV uses the lytic cycle while smallpox uses the lysogenic D cycle. [This object is a pull tab] C HIV utilizes reverse transcriptase while smallpox does not. D HIV has evolved antibiotic resistance while smallpox has not.

Slide 14 (Answer) / 52 Slide 15 / 52 5 HIV is a retrovirus that causes AIDS and ultimately 6 When a physician orders a complete blood count, results in the failure of the immune system. which of the following is not accounted for in the Smallpox is a DNA virus that results in severe results? rash and blisters. What is an important difference between the two viruses? A Erythrocytes Answer Answer Leucocytes C B A HIV uses the host RNA while smallpox uses the host DNA. Thrombocytes C B HIV uses the lytic cycle while smallpox uses the lysogenic cycle. Endocytes D C HIV utilizes reverse transcriptase while smallpox does not. [This object is a pull tab] D HIV has evolved antibiotic resistance while smallpox has not. Slide 15 (Answer) / 52 Slide 16 / 52 6 When a physician orders a complete blood count, 7 The bacteria shown below grow in chains and is which of the following is not accounted for in the responsible for many types of infections, results? including pneumonia in humans. Based on its shape, what type of bacteria is this? Answer A Erythrocytes Answer D Leucocytes B Thrombocytes C Endocytes D A Streptococcus [This object is a pull tab] B Bacillus C Spirochete Coccus D Source: http:/ / commons.wikimedia.org/ wiki/ File:Peptostreptococcus_spp_01.jpg Slide 16 (Answer) / 52 Slide 17 / 52 7 The bacteria shown below grow in chains and is 8 The first time an animal is exposed to a pathogen, responsible for many types of infections, the immune system responds within 10-17 days. If including pneumonia in humans. Based on its an animal is exposed to the same pathogen again, shape, what type of bacteria is this? the immune system responds within 2-7 days. This quick response time is due to what? Answer Answer A A Immune velocity Primary immune response B Immune memory A Streptococcus C [This object is a pull tab] Innate immune response Bacillus D B Spirochete C Coccus D Source: http:/ / commons.wikimedia.org/ wiki/ File:Peptostreptococcus_spp_01.jpg