Prokaryote Study guides, Class notes & Summaries

A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student? a. A single circular chromosome b. A nucleus c. Free-floating nuclear material d. No organelles ANS: B The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucleus; thus, the nucleus should be observed. A single circular chromosome called a prokaryote contains free-floating nuclear...

BIO 101 Lab 04: Prokaryotes and Eukaryotes Notification: If you have a disability that makes it difficult to complete this lab, please contact your instructor. Please provide your instructor a copy of the Memorandum of Accommodation (MOA) from NVCC Disability Support Services. Objectives:  Identify the general shapes of common bacteria  Describe the diversity of prokaryotic and eukaryotic microorganisms  Master the use of the light microscope Background: Microorganisms are...

Match each of the following organelles with the correct description. Nucleus Endoplasmic Reticulum Lysosomes Chloroplasts correct answer: Nucleus - Contains genomic content of the cell Endoplasmic Reticulum - Series of membrane-enclosed sacs and interconnected tubes Lysosomes - Contain hydrolytic enzymes capable of degrading unwanted cellular debris Chloroplasts - Site of photosynthesis Briefly explain how a Scanning Electron Microscope (SEM) forms an image of subcellular organelles,...

Definition of Life - Answer-HOMEOSTASIS (maintaining a stable environment within a cell) Metabolism - Answer-Making and spending energy to do everything else (to maintain homeostasis) What is Science? - Answer-An approach to find an answer to a question Scientific Questions Must Be... - Answer-material, falsifiable Approach to collect data - Answer-measurable, observable, repeatable Answer/Conclusion (strength) - Answer-restrained to strength of Experimental Design Hypothesis - Answer-IF (...

Difference between prokaryotic cells and eukaryote cells: - correct answer Eukaryotes have internal-membrane bound organells Prokaryote cells - correct answer Unicellular organisms that don't have nuclei Eukaryotic cells - correct answer Organisms whose cells contain their genetic information inside the nucleus Which of the following structural features of phospholipid molecules affect their ability to assemble into cell membranes? - correct answer Phosolipids have both hydroph...

What is the difference between a microorganism and an organism? - Microorganisms are organisms that cannot be seen with the naked eye. What is an organism, according to your textbook? - Any living entity composed of one or more cells. Which of the following statements about Percival Lowell's conclusions is correct? Mark all that apply. - Lowell was wrong about there being a vast civilization of intelligent creatures on Mars. Lowell was right that the white areas he observed at the poles co...

Test Bank for Prescott's Microbiology 11th Edition by Joanne Willey, Kathleen Sandman & Dorothy Wood 9781260211887 Chapter 1-43 | Complete Guide A+. Prescott's Microbiology, 11e (Willey) Chapter 1 The Evolution of Microorganisms and Microbiology 1) Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. Answer: FALSE Topic: Taxonomy of Microorganisms Bloom's/Accessibility: 2. Understand / Keyboard Navigation ASM Topic: Module 01 Evolution ASM Obje...

ADVANCED PLACEMENT (AP) BIOLOGY: Plant Biology 122 Questions Correctly Answered | 100% Rated Question 1 Which is of the following is not an adaptation/modification that enabled plants to move from aquatic to terrestrial environments as they evolved? Possible Answers: Stomata Thylakoid membranes Cutin Roots and root hairs Correct answer: Thylakoid membranes Question 2 Which structures did not evolve after plants emerged onto land? Possible Answers: Stomata Seeds Cell wal...

Test Bank for Prescott's Microbiology 11th Edition by Joanne Willey, Kathleen Sandman & Dorothy Wood 9781260211887 Chapter 1-43 | Complete Guide A+. Prescott's Microbiology, 11e (Willey) Chapter 1 The Evolution of Microorganisms and Microbiology 1) Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. Answer: FALSE Topic: Taxonomy of Microorganisms Bloom's/Accessibility: 2. Understand / Keyboard Navigation ASM Topic: Module 01 Evolution ASM Obje...

Prescott's Microbiology, 11e (Willey) Chapter 1 The Evolution of Microorganisms and Microbiology 1) Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. Answer: FALSE Topic: Taxonomy of Microorganisms Bloom's/Accessibility: 2. Understand / Keyboard Navigation ASM Topic: Module 01 Evolution ASM Objective: 01.05 The evolutionary relatedness of organisms is best reflected in phylogenetic trees. Learning Outcome: 01.02a Propose a timeline of the ori...