Which of the tolowings not found in annelids? Al a digestive systerm with separa
ID: 271602 • Letter: W
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Which of the tolowings not found in annelids? Al a digestive systerm with separate mouth and ) a cuticle made of chiin Ol a closed cireulatory systens t3ahydrostatic skeleton oot hairs are most important to a plant because they A) store starches 0) increase the surface area for absorption D) provide a habitat in the soil E) contain sylem tissue. S3. Which of the following classifications de not apply to beth dogs and humans Al phylum Chordats C) order Primates D) Kinedom Animalia ) cless Mammala S4. Dinoflagellates B) include species that cause malaria. D) lack mitochondria. 54, A) are all autotrophic C) possess two flagela E use cilia to move and feed SS. What are prions? A) viral DNA that attaches itself to the host penomes and cause diseese. e) misfolded versions of normal protein that can cause dinease. C) tiny circular molecules of RNA that can infect plants D) mobile segments of DNA E) viruses that invade bacteris 56. Transduction A) is the direct transfer of DNA from one bacterium to another B) occurs when a bacteriun acquires DNA from the surrounding environment. C) is the result of crossing over D) occurs when a phage transfers bacterial DNA from one bacterlum to another E) requires DNA polymerase 57. Organisms in which a circulating body fluld is distant from the fluid that directly surrounds th body's cells are likely to have A) open circulatory system B) a closed circulatory system C) a gastrovascular system D) branched trachea. E) hemolymph.Explanation / Answer
Answer 51. C) Annelids cuticles are made of Collagen not Chitin.
Answer 52. B) Root hairs have more surface area for absorption. The root hairs are where most water absorption happens, as they are long and thin, they can penetrate between soil particles and large surface area for absorbing water. Increased root surface area helps plants to be more efficient in absorbing nutrients.
Answer 53. C) Humans are Primates in order but Dogs aren't. Dogs belong to the order Carnivora.
Answer 54. C) Dinoflagellates contain two whip-like tails called flagella for movement.
Answer 55. B) Prions are the abnormal form of protein found in the brain that is responsible for a variety of fatal neurodegenerative diseases in animals, including humans.
Answer 56. D) Transduction is the process by which foreign DNA is introduced into a cell by a Phage vector or Bacteriophage or Phage Virus.
Answer 57. B) A closed circulatory system is where circulating body fluid is distant from the fluid that directly surrounds the body cells.
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