Firmicutes - Study guides, Class notes & Summaries

MICR 271 MIDTERM EXAM QUESTIONS WITH CERTIFIED ANSWERS What is the ability of some viruses to incorporate into the host genome called - Answer-In animal viruses-viral genome integration In bacterial viruses-lysogeny How do viruses exchange genetic material between different species? - Answer-Through viral genome integration, once the virus excises from the host genome it can pick up host genes which can be incorportated into the next host it infects T/F: The origin of viruses is well est...

BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+) 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 *Nonrandom mating *Migration *Genetic drift *Natural selection When does allopatric speciation occur? - correct answer when members of the same species become geographically separated When does sympatric speciation oc...

BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+ | Verified Answers. 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? - corre...

Similarities between Archaea and bacteria -Prokaryotic cell - no nuclear membrane,one circular chromosome - 70S ribosomes - most have cell walls - some species stain purple and others end up red in the Gram stain Differences between Archaea and bacteria - Ribosomal RNA sequence data - Archaeal cell walls lack peptidoglycan (no N-acetyl muramic acid). - Archaeal cytoplasmic membrane lipids have branched chain fatty acids that may extend through the membrane. - The initial amino acid in protein s...

Why can prokaryotes be found almost anywhere? - Answer-They are able to switch their metabolic or respiration methods Describe mutualism - Answer-Both organisms benefit Describe amensalism - Answer-One organism is harmed, the other is unaffected Describe commensalism - Answer-one organism benefits and the other is unaffected Describe neutralism - Answer-both organisms are unaffected Describe parasitism - Answer-One organism benefits and the other is harmed What is the difference between a...

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...

CMMB 343 - Final Exam Content 2024 Update| Questions with Verified Answers| Already Passed There are as many microbial cells in the human body as there are: human cells. However, ORFs in the microbiome outnumber ORFs in the human genome 95% of the microbes on humans live in: The GI tract (gastrointestinal tract). Different microhabitats support different... ...microbes, depending on temperature, pH, oxygen, etc. Each microhabitat is not homologous (even the same microhabitat can be di...

CMMB 343 Final Exam Actual Questions and Answers with complete solution Define 1.Microhabitats 2.Microbiota 3.Microbiome - answerMicrohabitats: specific areas where they grow Vary in physical characteristics. Each microhabitat is not homologous- differences within the same microhabitat- armpit vs toe Microbiota: describes all the microbes in a microhabitat Microbiome: entire collection of microbes living in all of the microhabitats Which organism (gram - or +) dominates the 1. the huma...

MIBO 3500 Exam 4 Study Guide (2023/2024) Rated A+ 23.a Identify areas of the human body colonized by microbes and areas that remain sterile; explain why there are different types of microbes in the microbiota of different areas of the body. Areas of the body that are colonized by microbes: Skin -Mostly gram-positive species such as Staphylococcus epidemidis, Bacillus species, and Propionibacterium ances Oral & nasal cavities -Non-pathogenic Neisseria, Streptococcus, Actinomyces, Lactobacillus, ...

Straighterline Microbiology Final Exam Review Questions With 100% Correct Answers Who of the following developed a set of criteria that could be used to establish a causative link between a particular microorganism and a particular disease? Select one: a. Fracastoro b. Koch c. Pasteur d. Lister b Which of the following distinguish the field of microbiology from other fields of biology? Select one: a. The size of the organism studied. b. The techniques used to study organisms regard...