Extremophiles Study guides, Class notes & Summaries

Bio 101 Practice Exam Questions and Answers All Correct The smallest unit of biological structure that meets the functional requirements of "living" is the . - Answer-cell A scientist observes that when she opens the back door of her house to let her cat out, the songs of a certain species of bird abruptly change. She wants to follow up on her observations with an informal experiment. Which of the following is the best hypothesis for explaining the birds' song changes? - Answer-The bird ...

Bio 101 2024 Test Questions with Correct Answers What is a phylogeny a description of? - Answer-organisms on Earth What do scientists in the field of systematics accomplish? - Answer-organize and classify organisms Which statement about the taxonomic classification system is correct? - Answer- Species are the most specific category of classification. Phylogeny is the evolutionary history and the relationships among a species or group of species. - Answer-true Taxonomy is the scien...

Archaea what are they? where can they be found? how do they get energy? - Answer-similar to bacteria since they are also unicellular prokaryotic organisms (lack nucleus/organelles) many are extremophiles (living in extreme salt, pH, or temps) use whatever energy they find (organic compounds, ammonia, hydrogen gas, metal ions, photosynthesis) Symbiotic relationships: mutualistic, parasitic, commensal? - Answer-mutualistic - beneficial to both parasitic - beneficial to one + ha...

Evolution correct answers Unity and diversity of life explained by the theory of evolution Darwin's "Natural Selection" correct answers 1. Populations grow faster than food supplies = a struggle to . survive. 2. Offspring have variations; favorable traits will be passed on for survival. 3. "survival" of the fittest Artificial Selection correct answers Humans pick and choose what genes will be passed on ex. selective breeding in dogs Biological Domains correct answers Bacteria, ...

BIOLOGY QUESTIONS AND ANSWERS 100% PASS Cell Basic unit of structure of living cells. Cell Theory ~ All organisms are made up of cells, ~ Smallest organisational unit, Biogenisis Cells derived from pre-existing cells. Plasma Membrane Also known as the cell membrane. Separates the outside environment from inside of the cell as well as controlling what enters and exits the cell. Cytoplasm Made up of the cytosol, and organelles (Eukaryotes.) While 80% is water, it also contains ions, salts and ...

1. Question: Which_ of the following_ is ‘not’ a microscopic organism that Leewenhook was able to observe under the microscope he constructed in 1674? a. Algae b. Bacteria c. Archaea d. Viruses e. Small multicellular animals 2. Question: Which_ of the following_ is INCORRECT regarding Archaea? a. They are known as extremophiles b. They have external features called hami c. They are grouped in the domain eukarya d. They are unicellular and lack nuclei e. None of the above 3. Question: What is...

sexual fungal reproduction Correct Answer: 1. plasmogamy 2. heterokaryotic mycelium 3. karyogamy heterokaryotic mycelium Correct Answer: cells contain 2 haploid nuclei from parent (n+n) karyogamy Correct Answer: fusion of nuclei from parents (2n) three domains of life Correct Answer: bacteria, archaea, eukarya methods of gene exchange for bacteria Correct Answer: 1. transformation 2. conjugation 2 3. transduction transduction Correct Answer: -viruses/bacteriophages help to pass g...

MICROBIOLOGY EXAM #1 WITH COMPLETE SOLUTIONS 100% MICROORGANISMS - correct answer are organisms that are too small to be seen with the unaided eye LIST SOME POSITIVE THINGS ABOUT MICROORGANISMS - correct answer -Decompose organic waste -Generate oxygen by photosynthesis -Produce chemical products such as ethanol, acetone, and vitamins -Produce fermented foods such as vinegar, cheese, and bread -Produce products used in manufacturing (e.g., cellulase) and disease treatment (e.g., in...

Exam1review WEEK1 HereissomeinformationaboutExam1. • Thisexaminationcoverscontentlearnedinweeks1and2. • Thisexamisworth120totalpoints,andincludesthefollowingtypesofquestions: o 25Multiplechoicequestions o 5Fillintheblankquestions o 2Shortanswerquestions o 2Essayquestions • Youhave90minutestocompletetheExam. • Whenthetimelimitisreached,youwillautomaticallybeexitedfromtheexam. • Remembertochoosethebestanswer,somequestionsmayhavemorethanonecorrectanswerbutonly one BESTanswe...

EOSC 116 - MODULE B 2023 Exam Questions And Answers All Correct And 100% Verified, Universe is _______ years old based on astronomical observations 12-14 billion Earth and solar system formed __________ years ago. 4.5-4.6 billion Biosphere Thin veneer of life that surrounds the surface of our planet - interacts with other earth systems: lithosphere, hydrosphere, cryosphere and atmosphere. Hypotheses of life development: Panspermia Life was brought to earth through meteorites and comet...