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A: Introduction: Mutation can be defined as any change in DNA. This is any heritable and genetic change...
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- Macrocystis is a genus of kelp (large brown algae) that includes species having extremely longstipes (up to 60 meters) and floating structures containing gas (pneumatocysts) at the base of theblades. What might the purpose of the long stipes and pneumatocysts be?What is antheridial branch in funaria called?this is habit of spirogyra notice the series of cells making up the filament. is the filament branched or unbranched? what is the shape of the individual cells that make up the filament?
- The liverwort Marchantia is one of the largest and most common. There is a good chance that you will find it if you search carefully in moist places (you may have to search many places). Is it a leafy liverwort or a thallose one? Describe its surface texture (see Figure). If you are very lucky, you may find it with archegoniophores and antheridiophores. What are these structures, and how would you recognize them if you saw them (what do they look like)?Is the tentacle of an Obelia Polyp made of a single row of cells or multiple rows of cells?Briefly describe what are stolons?