Horizontal gene transfer Study guides, Class notes & Summaries

Unit 12 aim A&B disease and infectionsInfectious diseases Bacteria Bacteria are known to be prokaryotic which mean they are also archaic and all single-celled organisms. They do not have nucleus and lack organelles like chloroplast and mitochondria but have a cell wall that protects the bacteria and maintains the cell's structure. The size of bacteria varies between 0.2-2.0 um. Bacteria have a capsule which is a sticky layer that covers the wall protects and shields the bacteria from ...

BIO 235- Genetics Exam 3 Questions With 100% Correct Answers 2024/2025 What is Conjugation? Takes place when genetic material passes directly from one bacterium to another. What is Transformation? Takes place when a bacterium takes up DNA from the medium in which it is growing. What is Transduction? Takes place when bacterial viruses carry DNA from one bacterium to another. True or False: Not all bacterial species exhibit ALL THREE type of DNA transfer. TRUE What are the three types of...

BIO 202 EXAM 1 UNCW Questions with complete solution 2024 Cyanobacteria - correct answer Common in both fresh and salt water Prezygotic mechanism - correct answer Barriers that prevents interbreed to happen before fertilization Postzygotic Mechanism - correct answer Barrier that prevents interbreed to happen after fertilization. Ex. Donkey and horse making Mule Horizontal gene transfer - correct answer DNA is transferred between bacterial cells How old is earth? - corr...

AQA BIOLOGY ESSAY TITLES VERSION 2 Biology essay titles Version 2 This document contains the essay titles and mark schemes used in AQA A-level Biology examinations since 2007. The specifications these exam questions came from are no longer in use, but the marking method has largely remained unchanged. Further guidance on the marking method used with the essay can be found in Paper 3 Essay marking guidance. Year Questio nTitle 7402/3 2017 7.1 The impo...

Biochemistry Exam 3 Practice Tests 225 Questions with Verified Answers The complementary strand for the sequence 5' GCACTTCG 3' is - CORRECT ANSWER 5' CGAAGTGC 3' Polysomes...? (a) contain multiple mRNA's (b) contain multiple DNA's (c) contain multiple ribosomes (d) contain multiple RNA polymerases (e) a and c - CORRECT ANSWER (c) contain multiple ribosomes "Multiple ribosomes initiate on a SINGLE mRNA Polyribosomes or polysomes"- Ch 7 Proliferating cell nuclear ...

OpenStax Microbiology Test Bank Chapter 10: Biochemistry of the Genome * = Correct answer Multiple Choice 1. Gregor Mendel conducted his revolutionary work on patterns of inheritance using which organism? A. fruit flies B. pea plants* C. roundworms D. snapdragons 2. Which best describes true-breeding organisms? A. They are heterozygous at multiple loci. B. They have been produced through hybridization. C. They produce offspring identical to themselves when self-fertilized.* D. The...

The term "n" refers to the size of a population, that is, the number of individuals in that population. In general, in a sample of n individuals, the frequency of an allele is: - Answer-the number of occurrences of the allele divided by twice the number of individuals in the sample (2n) If a population is not in Hardy-Weinberg equilibrium, we can conclude that: - Answer-evolution has occurred because one of the assumptions of the Hardy-Weinberg equilibrium has been violated The goldenrod ...

BIO 235- Genetics Exam 3 Questions With 100% Correct Answers 2024/2025 What is Conjugation? Takes place when genetic material passes directly from one bacterium to another. What is Transformation? Takes place when a bacterium takes up DNA from the medium in which it is growing. What is Transduction? Takes place when bacterial viruses carry DNA from one bacterium to another. True or False: Not all bacterial species exhibit ALL THREE type of DNA transfer. TRUE What are the three types of...

Exam summary for the Evolutionary Genetics course for the Pre-Master Evolutionary Biology and Ecology. This summary covers all subjects of the 2023 Course

OpenStax Microbiology Test Bank Chapter 1: An Invisible World * = Correct answer Multiple Choice 1. Which of the following is true of the microbial world? A. All microbes are harmful. B. Humans could survive without microbes. C. Many microbes are helpful.* D. Most microbes are pathogenic. 2. Which of the following is when humans first suspected the existence of microbes? A. during the Industrial Revolution B. in prehistoric times* C. in the last century D. within the last 500 ye...