Life Science BJU - Ch 11
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How are two bacteria kingdoms different from the four other kingdoms? | They share the characteristic of being the only Prokaryotic organisms. They do not have a true membrane bound nucleus & also lack many of the organelles found in the Eukaryotic organisms.
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| Describe the structure of a virus. | It is a nucleic acid core with a protein coat without a cell membrane, cytoplasm or organelles
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| Why are viruses not classified into a kingdom? | they are non-living and not made of cells
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| List the three shapes bacteria may have. | Coccus, Spirillum & Bacillus
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| List three human foods that are produced with the help of bacteria. | Yogurt, pickles & cheese
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| How do protozoa and algae differ? | P - are animal-like & a - is plant-like
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| How would you distinguish a large colonial organism from a multicellular organism? | If a cell can not live a part from a group it is multicellular
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| List 3 structures that a protist may have to help it move. | flagella, cilia & pseudopodia
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| How does a euglena obtain energy? | By photosynthesis or by eating
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| Contrast fragmentation and conjugation. | C - is a type of sexual reproduction and F - is a type of asexual reproduction
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| What are the filamentous cells of a fungus called? | hyphae
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| What are the spore-bearing structures of a fungus called? | gills
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| Which of the two organisms in the symbiotic relationship known as a lichen benefit from the relationship? | Both - all of the organisms in a symbiotic relationship benefit
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| Fungi and plant roots living together in a symbiotic relationship are called? | mycorrhizae
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| Name a fungal product that you use. | Cheese
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| protozoa | the more animal like protists - they can usually move themselves and capture prey
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| algae | the more plant-like protists - they perform photosynthesis and are usually unable to move themselves
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| colony | a group of unicellular protists living together though each is capable of living separately
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| pseudopodia | the bulges of the cytoplasm
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| fragmentation | a form of asexual reproduction of colonies
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| conjunction | a type of sexual reproduction carried on by many protists
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| hyphae | long filaments of fungal cells
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| lichen | appearing as a single organism in fungus
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| symbiotic | an occasion in which both species benefit from living together
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| mycorrhizae | are the fungi that live in a symbiotic association with the roots of plants
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| How rapid or slowly do bacteria reproduce? | With the proper conditions for growth, some bacteria are able to grow and reproduce every 20 minutes. - rapidly
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| Bacteria reproduce asexually by ____________________. | binary fision
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| How does a virus cause illness? | A virus infects a cell by attaching to it and injecting viral nucleic acid
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| Are there any bacteria able to move themselves? | Yes
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| What kind of food detritus feeders eat? | dead organisms
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| What two characteristics do all protists have in common? | They all have nuclei and do not form water conducting tissues (unicellular)
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| What two major groups are found in Kingdom Protista? | protozoa and algae
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| Why is conjunction a type of asexual reproduction? | It is carried on by many protists
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| List two structural characteristics that most fungi have. | hyphae and spores
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| Lichens result from a symbiotic relationship between what two types of organisms? | Fungi and algae
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| List 3 ways fungi are beneficial to us. | It decomposes, we have multimillion dollar industries based on fungi in their bi-products, they interacts with plants in beneficial ways
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| True or False. Bacteria are considered to be prokaryotic organisms because they lake a true membrane-bound nucleus. | False?
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| True or False. All bacteria have the potential to make people sick. | False
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| Viruses have _______ cell membrane. | no
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| Is not a defense against viruses? | Antibiotics?
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| A rod-shaped bacterium is usually called a _______________. | bacillus
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| Fragmentation and conjugation can occur in all ______________. | protists
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| True of False. All types of fungi have hyphae, but not all species produce spores. | False
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| Mycorrhizae are symbiotic relationships between fungi and a plant's _______________. | roots
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| ______________ is created with the help of fungi. | blue cheese, bread & penicillin
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