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what are the unique characteristics of lichens. User: 5. Relate some of the beneficial ways in which fungi affect our daily lives. Contrarily, list some of the non-beneficial ways they affect our daily lives.
Weegy: Beneficial of fungi (1) As food - food like mushrooms and dried yeast which provide us protein and vitamins; (2) In medicine - a number of antibiotic are obtained from fungal species; (3) In agriculture - like making the soil fertile; (4) In [ industries - in bakeries for making bread, for making wine and beer. Non-beneficial ways of fungi (1) Human diseases - a number of skin diseases are caused (2) plant diseases - like blight of potato (3) Spoilage of food - like rhizomes cause food spoilage ] (More)
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Asked 7/24/2013 3:31:49 PM
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6. Type of symmetry in the adult and larval stages? User: what type of symmetry in the adult and larval stages? User: 8. Describe the organization of the nervous system.
Weegy: What is your question about the nervous system? User: Describe the organization of the nervous system. Weegy: What is your question about the nervous system? User: What is the organization of the nervous system. User: 1. How does water move through a starfish? Describe the path in order. Weegy: each sea star has hundreds of tiny feet on the bottom of each ray. These are tube feet, or podia. These tiny feet can be filled with sea water. - See more at: (More)
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Asked 7/24/2013 9:51:54 PM
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What are the 4 characteristic of all chordate animals. What is the only one that is found in the adult human although we have all 4 during our embryonic development.
Weegy: What are the 4 characteristic of all chordate animals. [ What is the only one that is found in the adult human although we have all 4 during our embryonic development. All Chordates have: 1) a notochord 2) pharyngeal slits 3) a postanal tail 4) a hollow dorsal nerve chord Embryonic stem cells Embryonic stem cells are derived from a four- or five-day-old human embryo that is in the blastocyst phase of development. The embryos are usually extras that have been created in IVF (in vitro fertilization) clinics where several eggs are fertilized in a test tube, but only one is implanted into a woman. Sexual reproduction begins when a male's sperm fertilizes a female's ovum (egg) to form a single cell called a zygote. The single zygote cell then begins a series of divisions, forming 2, 4, 8, 16 cells, etc. After four to six days - before implantation in the uterus - this mass of cells is called a blastocyst. The blastocyst consists of an inner cell mass (embryoblast) and an outer cell mass (trophoblast). The outer cell mass becomes part of the placenta, and the inner cell mass is the group of cells that will differentiate to become all the structures of an adult organism. This latter mass is the source of embryonic stem cells - totipotent cells (cells with total potential to develop into any cell in the body). 9-week Human Embryo from Ectopic Pregnancy 9-week Human Embryo from Ectopic Pregnancy [by Ed Uthman, MD] creative commons license In a normal pregnancy, the blastocyst stage continues until implantation of the embryo in the uterus, at which point the embryo is referred to as a fetus. This usually occurs by the end of the 10th week of gestation after all major organs of the body have been created. However, when extracting embryonic stem cells, the blastocyst stage signals when to isolate stem cells by placing the "inner cell mass" of the blastocyst into a culture dish containing a nutrient-rich broth. ] User: How are the bony fishes more adapted ... (More)
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Asked 7/24/2013 10:17:17 PM
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Which of the following scientist(s) used viruses to show that it was DNA and not a protein which directed the actions of cells and viruses? User: The step which brings all the translation elements together is referred to as:
Weegy: The step which brings all the translation elements together is referred to as: Translation is the RNA directed synthesis of polypeptides.This process requires all three classes of RNA. [ Although the chemistry of peptide bond formation is relatively simple, the processes leading to the ability to form a peptide bond are exceedingly complex. The template for correct addition of individual amino acids is the mRNA, yet both tRNAs and rRNAs are involved in the process. The tRNAs carry activated amino acids into the ribosome which is composed of rRNA and ribosomal proteins. The ribosome is associated with the mRNA ensuring correct access of activated tRNAs and containing the necessary enzymatic activities to catalyze peptide bond formation. ] User: The step which brings all the translation elements together is referred to as: Initiation Translocation Replication Elongation Transcription Weegy: The step which brings all the translation elements together is referred to as:Replication User: An inactive X chromosome which is found in females is referred to as: (More)
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Asked 7/25/2013 7:44:37 PM
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Which of the following is not a benefit of cloning? Increased knowledge of genetic information Increased knowledge of embryonic development It could be used to fight cancer It could be used to bring back extinct species of organisms It could be used to save endangered species
Weegy: Which of the following is not a benefit of cloning? It could be used to fight cancer. User: Which of the following is not a role homeotic genes play in an organism? They are input switches for pattern formation They regulate other genes They convert chromatin to chromosomes They help differentiate cells into specialized structures They code for transcription factors (More)
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Asked 7/25/2013 9:13:45 PM
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