Extremophiles Study guides, Class notes & Summaries

Identify characteristics of living things that distinguish them from non-living things. - There are 9 characteristics of living things that distinguish them from non-living things. 1. Organization 2.Evolution of populations 3. DNA 4. Reproduction 5. Response to environment 6. Metabolism 7. Homeostasis 8. Contain one or more cells. Give a brief overview of the historical events that contributed to modern cell biology. Recall the associated names and dates involved in the events discuss...

BIOLOGY 111 EXAM 2 (QUESTIONS & ANSWERS)BIOLOGY EXAM 2 (QUESTIONS & ANSWERS) 1) Carl Woese successfully argued that biologists group living things according to domains rather than kingdoms. He also argued that Archaea and bacteria had to be placed in separate domains because a. Bacteria are polyphyletic, whereas Archaea and Eukarya are monophyletic b. Bacteria and archaea both use fMet as their first amino acid translation during protein synthesis c. They both are prokaryotes d. Only the ar...

Bacteria Single celled prokaryote with peptidoglycan in the cell wall Archaea Single cell prokaryote found in extreme environments Prokaryote Cells with no nucleus or membrane bound organelles Eukaryotes Cells with nucleus and membrane bound organelles Cell membrane Serves as a cell's boundary to regulate materials entering and exiting the cell Cell Wall Protects some cells and gives the cell it's shape Nucleus Contains DNA, which controls cellular function C...

BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+. What are the properties of life? - correct answer *Cells and organization *Energy use and metabolism *Environmental response *Regulation and homeostasis *Growth and development *Reproduction *Biological evolution When was earth formed? - correct answer 4.55 billion years ago When did life on earth first appear? - correct answer 3.5 billion years ago What are the evolutionary mechanisms? - correct answer *Nonrando...

extremophiles - Answer microbes that can grow at harsh conditions such as boiling mud pits or the arctic circle hyperthermophile - Answer survive at >70℃ thermophile - Answer optimal growth between 45 and 70℃ mesophile - Answer 25-45℃ (human body temp) psychrotrophs - Answer prefers 15-30℃ psychrophiles - Answer -5-15℃ neutrophile - Answer pH of 7 alkaliphiles - Answer >8.5 pH Acidophiles - Answer <5.5 pH Halotolerant - Answer survive up to 10% solut...

Biology 112 Exam 1 Latest Update Graded A+ systematics an analytical approach to understanding the diversity and evolutionary relationships of an organism, both present day and extinct biodiversity variety of organisms and the ecosystems they form taxonomy ordered division of organisms into categories based on a set of characteristics used to assess similarities and differences classification grouping organisms by their similarites or relationships phylogeny 1. evolutionary h...

BIOS 242 WEEK 4 MIDTERM EXAM LATEST UPDATE 1. 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. 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...

BIO 117 Exam 2 | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+ 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. conjuga...

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 science...

All Living Organisms … ◆ Acquire energy & matter from their surroundings ◆ Made of a cell ◆ Have the ability to reproduce ◆ Have populations that can evolve ◆ Respond to the environment ◆ Metabolism that is anaerobic or aerobic ◆ Have DNA ◆ Are carbon & water based Are viruses Alive ? ◆ No ● Not cellular ● Can't acquire energy from surroundings ● Can't respond to environmental stimuli Three Domains of Life : ◆ Eukaryotes ● Have nucleus ● Membr...