Biology 250 - Study guides, Class notes & Summaries

Straighterline Microbiology 250 final Exam 2024 Questions and Answers

Straighterline Microbiology 250 final Exam 2024 Questions and Answers Straighterline Microbiology 250 final Exam 2024 Questions and Answers Which class of eukaryotic microorganisms can be subdivided into groups such as Mastigophora, Sarcodina, Ciliophora, and Apicomplexa? A. Helminths B. Algae C. Protozoa D. Fungi - ANSWER Protozoa Genetic material can be excised from one chromosome and directly integrated into another v...

Potential questions for Pearson Edexcel International Advanced Level for use with Question 8 – Unit 5, October 2023 In unit 5, the last question (question 8) is based on a pre-released scientific article a total of 30 marks. In this document, you will find potential questions and answers for the Scientific Article for question 8 for Biology IAL (International Advanced Level) WBIO5/1. (The article is provided by Pearson Edexcel Examination – October 2023) This document consis...

Marine Biology 250 (Exam 1, 2, and Review) Questions with Complete Solutions

Microbiology 250 Final Exam Malaria is transmitted by - ANSWER anopheles mosquito's A vaccine: - ANSWER completes the afferent branch of the immune response the sexually transmitted disease agent is: - ANSWER herpes simplex type II tinea pedis (athlete's foot) can be caused by - ANSWER a and b...

Marine Biology 250 (Exam 1, 2, and Review) Questions with Complete Solutions

Is energy required to move oxygen and carbon dioxide across membranes? correct answers No, it is done via passive diffusion from high partial pressure to low partial pressure. How do internal and external respiration differ? correct answers Internal: gas exchange between the blood and the tissues External: gas exchange between the environment and the blood What processes constitute respiration? correct answers Delivery of oxygen to tissues and removal of waste products; can be external (...

brom cresol purple indicator in MIO media that tests for decarboxylation of ornithine positive result is a lavender-purple color A hydrogen peroxide H2O2 used to test for organism's possession of catalase copious amounts of bubbles are evidence for release of O2 as peroxide is broken down 2H2O2 + O2 iodine indicates the presence or absence of starch agar solidifying agent purified from marine algae colonial morphology size, color, shape, elevation, consistency, ...

Straighterline Microbiology 250 Final Exam__ Questions With 100% Correct Answers_2024 Microbial drug resistance can be caused by mutations or by introduction of new genes into a population. Which of the following can only be caused by the introduction of new genes into a population? Select one: a. a metabolic pathway in the bacterium is shut down b. binding sites for the drug are reduced in number or affinity to the drug c. new enzymes that inactivate the drug are synthesized d. uptake...

What requirements must be met in order for natural selection to occur? Think of traits. a. Variable and responsive to environmental changes b. Beneficial and heritable c. Heritable and adaptive d. Adaptive and allow for acclimatization correct answers B What is the ultimate source of genetic variation in a population? a. Natural selection b. Mutation c. Migration d. Drift e. Reproduction correct answers B Which of the following scenarios is an example of genetic ...