Complete and Comprehensive BIO 205 Q&A Bundle

The linear covalent bonds that hold individual amino acids are peptide bonds what type of bonding holds one strand of DNA to the complementary strand of DNA? hydrogen the subunits (building blocks) of protein are amino acids Cellulose, starch, glycogen are examples of polysaccharides Penicillin ...

Enzymes Catalyze covalent bond breakage or formation Example: Kinase-adds a phosphate group to a protein molecule Structural Proteins Provide mechanical support to cells and tissues Example: actin-forms filaments that underlie and support the plasma membrane Transport Proteins Carry small molecule...

Origin of replication Site where the replication of a DNA molecule begins on a chromosome, consisting of a specific sequence of nucleotides. Bacteria only have one, eukaryotes have many. Replication fork/bubble - A Y-shaped point that results when the two strands of a DNA double helix separate so t...

7 Common properties and processes of living organisms Order, Reproduction, Growth and development, Energy processing, Response to environment, Regulation, Evolutionary adaptation Biological Organization Hierarchy (smallest to largest) Molecule, organelle, Cell, Tissues, Organ, Organ system, Organis...

Monera - unicellular - prokaryotic (no membrane bound organelles) - bacteria, archaea - depends on # and type of ribosomes Protista - both uni and multicellular - eukaryotes - Eukarya - protozoa, algae, slime molds Fungi - most multicellular, yeasts are unicellular - eukaryotes - eukarya - yeasts,...

What is the name of the solidifying agent? Agar Number of cells does not increase. Begin synthesizing enzymes required for growth-metabolically active cells. Delay depends on conditions. Lag Phase Cells divide at constant rate. The bacteria are rapidly increasing in number. Generation time measure...

Why is the Gram stain considered differential? It uses water to wash the excess stain. It distinguishes between two groups of bacteria. It describes the pathogenicity of the species. It is clinically important. It is used to study resistant bacteria. It distinguishes between two groups of bacteria....

Describe the characteristics and roles of algae. Cellulose in cell wall producers of O2 consumers of O2 Irish potato famine caused by water mold phytophthora infest ants Fungi cell wall contains chitin Structure of fungi multicellular; composed of hyphae Hyphae The branching, threadlike tubes th...

Fungi are important because of their ability to help many plants grow, cause disease in plants, make certain foods and beverages, and spoil food. All fungi have ____ in their cell walls. chitin The mechanism by which genes are transferred into bacteria via viruses is called transduction The sourc...

Symmetry of sponges? Asymetrical Sponge class with limestone spicules calcarea Sponge class with glass spicules hexactinellida Sponge class with 6 pointed spicules hexactinellida Sponge class with spongin demospongiae Sponge body form with choanoderm in the spongocoel asconoid Sponge form with...

Central dogma DNA is transcribed into RNA which is translated into proteins Endothermic thermal energy is absorbed by the system during the process (ex: state change from liquid to gas H2O) Exothermic releases thermal energy to the environment (ex: water vapor to liquid water) Oxidation loss of e...

Streptococcus pyogenes Which of the following is a scientific name? IGAS Flesh-eating bacteria Group A streptococcus Streptococcus pyogenes Streptococci False Bacteria have their genetic material enclosed in a special nuclear envelope. Eukaryotes Fungi are ___________. a) Prokaryotes b) Eukaryot...

What are the seven characteristics of life? growth & development, reproduce offspring, heredity of traits, homeostasis, metabolism, cellular structure & composition, respond to the environment Define a microbe a living organism that is too small to be seen with the naked eye Endosymbiosis a theori...

Select ALL that apply: Peptidoglycan is - Important for maintaining cell shape - not found in acid fast bacteria - mostly protein connect by sugars - crosslinked by short chains of amino acids - Important for maintaining cell shape - crosslinked by short chains of amino acids Spontaneous generati...

List First and Second Line of Defense for INNATE IMMUNITY -intact skin -mucous membranes -normal microbiota -natural killer cells and phagocytic white blood cells -inflammation -fever -antimicrobial substances List Third Line of Defense for ACQUIRED IMMUNITY -specialized lymphocytes: T cells and B ...

Heterotrophs They use organic carbon as food and are found in every type of water Autotroph Organisms that make their own food. Produces energy from sunlight and carbon dioxide, know as producers Chemoheterotrophs Organism that obtains its energy from the oxidation of organic compounds Phototroph...

Anton van Leeuwenhoek Father of microbiology Created 1st magnifying glass Coined the term 'Animalcules' Animalcules First term used to describe microorganisms What is the theory of Spontaneous Generation? Life arises spontaneously from non-living material (abiogenesis) Who were the scientists i...

Anton van Leeuwenhoek - First observation of live microorganisms Louis Pasteur -Disproved the theory of Spontaneous Generation - Germ theory of disease Robert Koch 4 postulates are used in proving organisms are actual cause of a disease - Postulates The same pathogen must be present in every case ...

What does abiogenesis refer to? the process by which a living organism arises naturally from non-living matter. Who finally settled the spontaneous generation debate? Louis Pasteur Define the Theory of Spontaneous Generation Some people believed that worms and other forms of life arise from non-li...

Which of the following is NOT true? a. All bacterial cells contain an outer membrane b. The bacterial cell wall is made up of peptidoglycan c. The inner membrane is important in (i) regulating movement of materials in and out of the bacterial cell and (ii) metabolism, such as the synthesis of ATP d....