What are homologous structures and what do they show

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Essentials of Psychology: Concepts and Applications
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Chapter 2 / Exercise 8
Essentials of Psychology: Concepts and Applications
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5.What are homologous structures, and what do they show about relatedness?
6.Why do humans and chicks develop similarly to reptiles?
7.What do DNA mutations have to do with amino acid changes in a protein?
8.How can antigen-antibody reactions help determine the degree of relatednessbetween species in this laboratory?. The relatedness of an animal to humans was
9.Using plus (+) symbols, show the amount of reaction you would expect when a pig, monkey, and chimpanzee are tested for the same human antibody-antigen reaction.
10.Define the following types of evidence for evolution:
6
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The document you are viewing contains questions related to this textbook.
Essentials of Psychology: Concepts and Applications
The document you are viewing contains questions related to this textbook.
Chapter 2 / Exercise 8
Essentials of Psychology: Concepts and Applications
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suitable to the environment. Differences in adaptations support evolution. Molecular evidence: Molecules found in organisms such as DNA and ATP. Similarity of these molecules supports evolution. 7
Laboratory13Microbiology(LM pages 143–61)FourthEdition No significant changes have been made to this laboratory.New Figures13.6 Major Groups of Protists; 13.12 Protozoan diversity MATERIALS AND PREPARATIONSInstructions are grouped by exercise. Some materials may be used in more than one exercise.Special RequirementsLiving material.Selected cultures of bacteria and protists (see lists below); incubate cultures of bacteria 48 hours prior to use. Also incubate cultures of Rhizopus.Fresh material.Pond water; edible mushrooms and other fresh fungi samples, if available.13.1 Bacteria (LM pages 144–49)_____safety goggles (See Carolina’s Safety: Face Protection Section)_____latex gloves and/or nonlatex gloves (See Carolina’s Safety: Hand Protection Section)_____lab coats (See Carolina’s Safety: Body Protection Section) or other clothing protection_____microscopes, compound light_____lens paper_____slides, prepared: bacteria (coccus, bacillus, spirillum) _____Oscillatoria, live culture or prepared slide _____Anabaena, live culture or prepared slide _____Gleocapsa,live culture or prepared slide _____bacteria, live cultures of representative types (Carolina’s “Living Organisms: Bacteria Cultures” catalog section)_____nutrient agar plates_____ incubatorBiohazard waste container.Because of increased awareness of hazards connected with bodily fluids, a biohazard waste container for swab disposal should be used, and slides 8
and coverslips should be washed in a 10% bleach solution.

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