Bio 171 final - Study guides, Class notes & Summaries

genetic material must meet what criteria ANSWER: -information -replication -transmission -variation what happened in the late 1800s ANSWER: -biochemical basis -chromosomes carry genetic information what happened in the 1920s to 1940s ANSWER: -protein portion of chromosomes to be the genetic material explain Griffith's bacterial transformation ANSWER: -late 1920s Frederick griffith - streptococcus pneumoniae - staring that secrete capsules look smooth (fatal in mice) Deeagles - S...

BIO 171 Final Exam Requires Respondus LockDown Browser + Webcam GRADED A+

Match each of the following organelles with the correct description: Nucleus Endoplasmic Reticulum Lysosomes Chloroplasts Ribosomes Cytoplasm correct answers Nucleus - Contains genomic content Endoplasmic Reticulum - Series of membrane-enclosed sacs and interconnected tubes Lysosomes - contain hydrolytic enzymes for digestion Chloroplast - site of photosynthesis Ribosomes - function in protein synthesis Cytoplasm - constitutes the open volume within a cell Briefly expl...

BIO 171 FINAL EXAM-with 100% verified solutions-

Tobacco mosaic disease - Answer stunts growth of tobacco plants and gives their leaves a mosaic coloration Martinus Beijerinck of the Netherlands conducted experiments to determine the nature of the infectious particle - Answer Infectious particle is smaller than bacteria • Infectious particle can reproduce in plants Not even the simplest of cells can aggregate into regular crystals. - Answer In 1935 Wendell Stanley showed that the infectious particles could be crystalli...

Nucleus ANSWER: Contains genomic Endoplasmic Reticulum ANSWER: Series of membrane-enclosed sacs and interconnected tubes Lysosomes ANSWER: contain hydrolytic enzymes for digestion Chloroplasts ANSWER: Site of photosynthesis Briefly explain how a Scanning Electron Microscope ( SEM ) forms an image of subcellular organelles , substrates , and viral particles . ANSWER: An image is formed from the interactions of electrons as they reflect off ( not through ) the surface of the specimen ...

Bio 171 Final Exam 2024

Biodiversity - ANSWER- Variety of life in the particular habitat or ecosystem Species is diverse when it contains many different kinds of organisms Disturbance - ANSWER- Severe physical impacts on a habitat, such as those caused by storms, earthquakes, or road building. AFFECT POPULATIONS REGARDLESS OF THEIR DENSITIES. USUALLY UNPREDICTABLE. Evenness - ANSWER- measure of relative proportion of each species Community - ANSWER- set of all populations found in a given place Latitudinal Diver...

BIO 171 FINAL EXAM-with 100% verified solutions-

Bio 171 Final Exam With Questions And Answers 2024