Prokaryotic cell wall - Study guides, Class notes & Summaries

Microbiology - deals with living things ordinarily too small to be seen without magnification Acellular - lacking cells Microorganisms/Microbes - organisms that are too small to be seen with the naked eye Pathogen - An organism that causes disease Are non-human cells included in microbes? - no What are the 7 types of microbes? - - Bacteria - Archaea - Algae - Protozoa - Fungi - Helminths - Viruses Prokaryotic - No nucleus Eukaryotic - Has a nucleus Decomposers - Break down organic ...

The paramecium discussed in class contained an organelle called the contractile vacuole. This is the presumed precursor of the: - Correct answer-kidney A cell that is anchorage-dependent for growth will also exhibit contact inhibition. - Correct answer-true In your own multicellular body, cells with different functions have different DNA. - Correct answer-false The contractile vacuole of the paramecium is possibly an evolutionary precursor of the kidney. - Correct answer-true The paramec...

For prokaryotic cells, which statement is correct concerning how the structure of a particular cell component correlates with its function? - The cell wall is a tough, fibrous layer that protects the cell and gives it shape and rigidity. In lateral gene transfer, genes are ______. - moved from one species to another Which character separates bacteria from archaea? - bacteria have peptidoglycan in their cell wall. What does it mean to say that prokaryotic organisms have "compact" genomes, ...

A phospholipid molecule has 1. a hydrophilic head that is repelled by water. 2. hydrophilic tails that are repelled by water. 3. a hydrophilic head that is attracted to water. 4. a hydrophobic head that is repelled by water. 5. hydrophobic tails that are attracted to water. - a hydrophilic head that is attracted to water. A cell membrane is not 1. a fluid structure. 2. a rigid structure. 3. a mosaic structure. 4. a bilayered structure. 5. composed of phospholipid molecules. - a rigid ...

what is a microorganism? what are some examples? - Answer-microorganism- organisms that are too small to be seen with the unaided eye examples- bacteria, archaea, fungi define pathogenic - Answer-the term used to describe a disease-causing microorganism who developed the formal system for classifying and naming organisms? - Answer-carolus Linnaeus each organism has two names, the first name is the ______ and the second name is the _____. - Answer-genus, species how are the names of organi...

MCB 100 FULL Exam 1 (UIUC) Questions and Answers Graded A+ Question: What is the primary difference between prokaryotic and eukaryotic cells? Answer: Prokaryotic cells lack a true nucleus and membrane-bound organelles, while eukaryotic cells have a defined nucleus and organelles surrounded by membranes. Question: What is the role of ribosomes in bacterial cells? Answer: Ribosomes are responsible for protein synthesis, translating mRNA into polypeptide chains that fold into functional pr...

HESI A2 ENTRANCE EXAM: READING COMPREHENSION, CHEMISTRY, GRAMMAR, BIOLOGY, VOCABULARY & GENERAL KNOWLEDGE, CRITICAL THINKING, ANATOMY & PHYSIOLOGY AND MATH VERSION 2 (With answers) Reading Comprehension Neurologists and biological psychologists have witnessed a sharp increase in the knowledge and understanding of particular structures of the brain over the past two decades. As technology becomes ever more advanced, scientists are able to isolate the functions of even small regions of ...

A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size - Binary Fission Enzymes, toxins, and other factors that affect the relative ability of a pathogen to infect and cause disease. - Virulence factors Gram staining differentiates bacteria based on their: A) ATP B) endospore C) cell wall D) integral proteins - Cell Wall Reactions that require energy are called ________ reactions: A) endergonic B) endothermic C) exergonic ...

Cell Theory All living organisms are composed of one or more cells. What are the 3 important parameters in microsopy? Magnification, resoultion, and contrast. Cell structure relies on what 4 factors? Matter, energy, organization, and information What are the 2 categories all forms of life based on cell structure? Prokaryotes and Eukaryotes. The proetome of a cell determines its ? Structure and function. Prokaryotic cell Reletively simple sturctures without a nucleus, put into either bacte...

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 Exams 1. What are the two major types of nucleic acids and their roles? DNA- deoxyribonucleic acid RNA- Ribonucleic acid DNA- Cellular life has DNA and a role that DNA has is long-term storage of information, it holds the characteristics of living organisms. RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins Tru...