Molecular clock Study guides, Class notes & Summaries

NBME Step 1 (Answered) Verified Solution Formation of hypnozoites -Pt has malaria → one of the features is that it forms hypnozoites and has the PBS shown Chloroquine resistance -Can happen but it is not a feature A 30M, who is a migrant farm worker presents to the ED b/c of a 1-wk Hx of fever, chills, & severe headache. He immigrated to the midwestern USA from Honduras 1 year ago. He is alert. Temp is 104F, pulse is 101/min, RR are 20/min, BP is 105/62. The lungs are clear to auscult...

Test Bank, Chapter 1 1. Which of the following is NOT an example of evolution? (a) Beak size in a population of birds becomes larger from one generation to the next because larger beaked birds had higher reproductive success and passed the trait to their offspring (b) Over long periods of time whales gradually lost their hindlimbs (c) When traveling to high altitude, human physiology changes to accommodate lower oxygen levels (d) All of the above are examples of evolution 2. The fluke ...

HESI A2 ENTRANCE EXAM  FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS Biology, Grammar, Reading,Math& vocabulary added possible questions Biology ,Grammar, Reading ,Math and vocabulary added possible questions Biology How many chromosomes do sperm and egg produce in meiosis is? 23 how many chromosomes do sperm and egg produce in mitosis? 46 What helps the cells shape and cell to adapt? cytoskeleton What givesthe cell the ability to move and proper? ...

Test Bank for Gerontological Nursing 10th Edition By Eliopoulos Test Bank for Gerontological Nursing 10th Edition By Eliopoulos Chapter 1 The Aging Population Test Bank MULTIPLE CHOICE 1. The nurse explains that in the late 1960s, health care focus was aimed at the older adult because: a. disability was viewed as unavoidable. b. complications from disease increased mortality. c. older adults needs are similar to those of all adults. d. preventive health care practices increased longe...

HESI PHARMACOLOGY PRACTICE QUESTIONS FOR FINAL A client is receiving clonidine (Catapres) 0.1 mg/24hr via transdermal patch. Which assessment finding indicates that the desired effect of the medication has been achieved? A. Client denies recent episodes of angina. B. Change in peripheral edema from +3 to +1. C. Client denies recent nausea or vomiting. D. Blood pressure has changed from 180/120 to 140/70. Correct - ANSWER Catapres acts as a cen...

Eukaryote characteristics (3) CORRECT ANSWER -nuclear membrane -gametes->zygotes -diploid=genetic exchange of crossing over Prokaryote characteristics (3) CORRECT ANSWER -no nuclear membrane -asexual -haploid (no meiosis or mitosis) Molecular clock CORRECT ANSWER -individual variation of macromolecular sequences -random occurrence of selectively neutral changes Why do we use SSRNA or 16rRNA for molecular clock ? CORRECT ANSWER -some regions evolve slowly enabling comparisons of...

Microbe CORRECT ANSWER -Free living organisms so small that they are only visible under the microscope. -Viruses are not really microbes- they lack one key quality of living cells; the capacity to main their bodily integrity throughout their life cycle. -Exceptions: Epulopiscium fishelsoni is huge (600+ um), Mycobacterium leprae is not free living. -Bacteria, Archaea, Fungi, Protists. LUCA CORRECT ANSWER -Last Universal Common Ancestor= microbe -About 4 bya -Core features for cellular...

Phylogeny - Answer-Classification of organisms according to evolutionary relationships. Taxonomy - Answer-Evolutionary classification Linnaean system of classification (taxonomy) - Answer-Domain> Kingdom> Phylum> Class> Order> Family> Genus> Species (Did King Phillip Come Over For Grandma's Soup) [ex. Homo sapien](italicized) Phylogeny relationships - Answer-Basal Group: Branch from oldest common ancestor, no other branch from species. Sister Taxa: Share common ance...

Phylogeny - Classification of organisms according to evolutionary relationships. Taxonomy - Evolutionary classification Linnaean system of classification (taxonomy) - Domain> Kingdom> Phylum> Class> Order> Family> Genus> Species (Did King Phillip Come Over For Grandma's Soup) [ex. Homo sapien](italicized) Phylogeny relationships - Basal Group: Branch from oldest common ancestor, no other branch from species. Sister Taxa: Share common ancestor Homologies - Comparing...

Archaeology Final Exam Questions With Verified Answers Bioarcheology the study of the human biological component of the archaeological record Osteology Study of bones Burial Population A set of human burials that come from a certain region and a certain time period Paleopathology study of ancient patterns of diseases and disorders Molecular Archaeology uses genetic material (DNA) from ancient people to reconstruct population migrations - mitochondrial DNA and genetic m...

Molecular Genetics Exam 1 – Questions & Complete Answers (100% Correct) Molecular Genetics Exam 1 – Questions & Complete Answers (100% Correct) How many amino acids (out of 715) have changed in FOXP2 since humans split from mice? a. two b. 136 c. three d. seven - ANSWER- c. three The frequency of what types of mutations are used as a molecular clock? a. synonymous b. microdeletions c. nonsynonymous d. asynchronous - ANSWER- a. synonymous ECP and EDN are two Ribonuclease...