Dat Test Exam With 100% Correct Answers

If a toxin that disrupted microtubule function, what is most likely to be affected? - correct answersAnaphase Where are lysosomes produced? - correct answersGolgi What is the function of a lysosome? - correct answersContains digestive enzymes for breaking down nutrients, cell debris, and bacteria What is the functional equivalent of the lysosome in plants? - correct answersCentral vacuole What are 4 possible places were microfilaments can be found? - correct answers1. Muscle cells 2. Pseudopod of amoeba 3. Cleavage furrow during animal division 4. Cytoskeleton What is bacteria flagellum composed of? - correct answersFlagellin What is Clathrin? - correct answersA protein that coats vesicles and plays a critical role in their formation, as well as their incorporation into the cell membrane during exocytosis and endocytosis What is a nucleoid region? - correct answersRegion where DNA exists in a bacterial cell as it does not have a nucleus What are teichoic acids? - correct answersFound only on gram-positive bacteria and help keep the cell wall rigid. Also used a recognition and binding sites by bacterial viruses During conjugation, what does the donor bacteria contain? - correct answersThe F plasmid Which of the following best defines a notochord? A. A component that eventually develops into the spinal cord B. A length of cartilage extending along the body, which will become the spine C. That which will become the pharynx gills, or other feeding system in the animal D. A groove located in the underside of the pharynx that produces mucus in filter-feeding species - correct answersB. A length of cartilage extending along the body, which will become the spine What are the 4 main features during their development that chordates share? - correct answers1. Notochord 2. Dorsal hollow nerve chord 3. Pharyngeal gill slits 4. Muscular post-anal tail Characteristics of Nematoda - correct answersComplete digestive system, triploblasts with bilateral symmetry, pseudocoelomates. Parasitic; contain a thick protective outer layer known as the cuticle Examples: round worms, hook worms, and C.elegans Characteristics of Annelida - correct answersComplete digestive system Triploblasts with bilateral symmetry Coelomates with segmented bodies Close circulatory systems Examples: Earthworms and leeches Charactertistics of Mollusca - correct answersComplete digestive system Triploblasts with bilateral symmetry Coelomates with open circulatory system (exception to cephalopods) Tongue of this class is called radula Examples: clams, snails, squids, and octopuses Characteristics of Echinodermata - correct answersComplete digestive system Triploblasts with radial symmetry Coelomates Open circulatory system Deuterostomes Examples: Starfish, sea urchins, and sea cucumbers Characteristics of Platylhelminthes - correct answersDo NOT have a complete digestive system (have gastrovascular cavity instead; like Cnidaria) Triploblasts with bilateral symmetry Acoelomate Examples: Flatforms, tapeworms, and flukes Blood in the pulmonary vein would be best characterized as which of the following? A. High in CO2 B. Low in O2 C. High in CO2 D.