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Living things are divided into three different domains. Which of these domains is/are classified as prokaryotes? A) bacteria and eukarya B) archaea and eukarya C) bacteria and fungi D) bateria and archaea Correct Answer-D A single-celled organism isolated from a deep-sea, hot thermal vent was found to have a cell wall but lacked a nucleus. This organism is most likely a member of which of the following domains? A) fungi B) arcaea C) animalia D) plantae Correct Answer-B Strong evide...

What are the three major objectives of BIO 150? Correct Answer-1) unifying features of living systems --> ecological to molecular --> diversity and complexity 2) scientific research skills 3) apply knowledge to questions and issues What is ecology? Correct Answer-The diversity of life, evolution, and how organisms interact with each other and the environment What is biology? Correct Answer-The science of living systems! Includes observation, prediction, experimentation, theory, a...

What metabolic strategy is summarized in this equation: C6H12O6 + 6H2O + 6O2 + 12H2O + 6CO2? Correct Answer-aerobic organotrophy (AEROBIC RESPIRATION) Which of the following is not involved in biofilm formation or function? Correct Answer-rorespore engulfment Which of the following is NOT a problem with the viable count method of cell quantification? Correct Answer-Not useful for living cells Why might a falcultative organism prefer aerobic respiration over fermentation when carbohydrat...

What is meant by selective toxicity? Correct Answer-Chemotherapeutic agents should act against the pathogen and not the host. Why are chemotherapeutic agents that work on the peptidoglycan cell wall of bacteria a good choice of drug? Correct Answer-Humans and other animal hosts lack peptidoglycan cell walls. Why is polymyxin only used on the skin? Correct Answer-It can also damage living human cell membranes, but the drug is safely used on the skin, where the outer layers of cells are dead...

Pericardium Correct Answer-Bilayer membrane sac surrounding the heart Myocardium Correct Answer-Cardiac muscle tissue Pulmonary arteries Correct Answer-Transport deoxygenated blood from the heart to the lungs The underlying ion movement that contributes to to plateau phase of myocardial contraction is... Correct Answer-Calcium which contributes to the increased refractory period What is the function of the AV and semilunar valves? Correct Answer-To permit blood flow forward while pre...

Chapter 1 Physiology (field on study they encompass) CORRECT ANSWER The study of how those parts come together to function, and keep that body alive. Anatomy (field of study they encompass) CORRECT ANSWER The study of the structure and relationships between body parts. List, briefly explain, and recognize examples of cells and function. CORRECT ANSWER Chemical Cellular Tissues Organs Organ Systems The Body Define Cell Theory (three general characteristics of all cells). CORRECT AN...

Define nutrients Correct Answer-substance that provides nourishment essential for growth & the maintenance of life Define diet Correct Answer-food provided for livestock, ingredient define forage Correct Answer-mixture of grass, legume, weeds, & dead material that livestock graze define pasture Correct Answer-land covered grass & other low plants suitable for grazing animals define lignin Correct Answer-complex organic polymer deposited in the cell walls of many plants, making them r...

evolution CORRECT ANSWER decent with modification; change in in genetic composition of a population from generation to generation fossils CORRECT ANSWER the remains or traces of organisms from the past strata (stratum= singular) CORRECT ANSWER superimposed layers of rock paleontology CORRECT ANSWER study of fossils- developed by Cuvier adaptations CORRECT ANSWER inherited characteristics of organisms that enhance their survival and reproduction in specific enviroments natural sele...

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: A)the number of occurrences of the allele. B)the number of occurrences of the allele divided by n. C)the actual value of n D)the number of occurrences of the allele divided by twice the number of individuals in the sample (2n).

Which of the following describes the relationship of mycorrhizal fungi and plants? CORRECT ANSWER they live in and among plant roots, supplying plants with nutrients. Fungi that absorb nutrients from decaying plant matter are called ________. CORRECT ANSWER saprobes Which of the following best describes how fungi are able to obtain nutrition? CORRECT ANSWER absorbing nutrient via external digestion The main body of a fungus, which is composed of a mass of tubular hyphae: CORRECT ANSWER ...