Bio 101 Lab Final Exam Questions With Verified Answers

Bio 101 Lab Final Exam Questions With Verified Answers the electron transport chain, the final electron is oxygen the general types for bacterial cells are the sphere shaped coccus rod shaped bacillus and the spiral shaped spirilla gametes, or sex cells, are produced by a significant cell division called meiosis 1 general equation of photosynthesis 6CO2 + 12H2O + light ----> C6H12O6 + 6H2O + 6O2 the two types of fermentation studied in the cellular respiration lab were alcohol and lactic acid fermentation what is the role of Ethidium Bromide in DNA electrophoresis? to make DNA fragments glow when exposed to UV light during the cellular respiration lab, bromothymol blue was use to detect CO2. what did you observe to let you know CO2 was present? when CO2 gas bubbles through a brothymol blue indicator solution the indicator solution turns yellow using the absorbance spectrum, which wavelengths are absorbed the best? what colors of light correspond to those wavelengths? 400-500 violet blue the process of DNA electrophoresis separates DNA fragments based on size and or change a fruit fly that is homozygous dominant for both eye color and wing shape is crossed with a fruit fly that is homozygous recessive for both. if these two flies are the P generation, indicate the phenotypic ratio for for the F2 generation all phenotypes are black eyed with smooth wings a gram positive bacteria will appear dark purple because of a simple layer of peptidoglycan chlorophyll, xanthophyll, and beta-carotene are all examples of carotenoids what is the purpose of using UV light durning DNA electrophoresis? the DNA fragments shine bright when exposed to UV light a single cell undergoes three rounds of mitosis. how many cells exist after these three rounds? if the original cell has 42 chromosomes,