Which of the following statements does NOT agree with the cell theory? Singled-celled Amoeba arise from the division of existing Amoeba. Humans are composed of cells. Cells will form spontaneously whenever Carbon, Hydrogen, Oxygen, Nitrogen, & Phosphorous are present in the correct ratios.
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- In the pictures below, identify the arrowed reproductive structures of microscopic cyanobacteria based on the following descriptions: Akinetes are dormant structures larger than the vegetative cells, are rich in food reserves, and have thick walls. Most filamentous cyanobacteria develop akinetes in adverse conditions (e.g., winter, dry periods). When favorable conditions return, they germinate and produce new filaments. Hormogonia are short pieces of filaments consisting of 5–15 trichomes that fragment and develop into new filaments. Heterocytes (or heterocysts) are multicellular structures that have a thick and massive sheath, formed by members of the Nostocales. It is the location of the enzyme nitrogenase for nitrogen fixation, the conversion of nitrogen gas into ammonium and then amino acids. They may be intercalary or terminal in position and may germinate from either end or both the ends to give rise to new filaments. Non-filamentous cyanobacteria generally produce spores…Find the large nucleus located near the cell. Make several outline drawings to illustrate the successive changes of 1. shape of the amoeba. Make drawings of the Amoeba you observe, and label its structures. C O O liko mer 0 AS 6 0 O Paramecium -- Paramecia are quite large, straw-colored, slipper-shaped and move rapidly, and they are thus very noticeable. If there are Paramecia in your field of view you probably will recognize them immediately. Often, however, students do have difficulty both finding a Paramecium, and after they have found one, making it move slowly enough so they can study it at high magnification. The trick to finding a Paramecium is to scan the entire slide quickly using the scanning lens. Then, if you do not find one, make a new slide and search again. Often, Paramecia tend to move to the edges of the coverslip, and even "escape" the coverslip at its edges. The trick to slowing the Paramecia is to mix a drop of methyl cellulose with a drop of the cell culture, as…Temporary finger like extensions on amoeba are called: I. Cell membrane II. Cell wall III. Pseudopodia IV. Cilia
- What structure in the Entamoeba histolytica is sometimes called a "false foot" and has a similar function to the musculoskeletal system of humans because it helps the amoeba move through its environment? Pseudopod Contractile Vacuole Cell Membrane NucleusAlgae are autotrophs and can have photosynthesis, however, evolutionary evidence suggests that plants shared a common ancestor with only green algae and are closest relatives of Charophytes. What evidences support this statement? How an algal cell is different from fungal cells, even if both are eukaryotes? Why slime mold is a protist not a fungus even if it does not have chloroplast?Which of the following correctly matches the protist to the mode of nutrition? Chara- Autotrophy, Euglena - Mixotrophy, Amoeba - Heterotrophy Chara - Heterotrophy, Euglena - Mixotrophy, Amoeba - Heterotropy Chara - Mixotrophy, Euglena- Heterotrophy, Amoeba - Autotrophy They all are capable of Heterotrophy
- Fungi have a special mode of nutrition, they are decomposers because: * they absorb large and complex molecules from environment, and then secreting hydrolytic enzymes internally to break them down. all statements are correct they absorb small organic molecules from environment, after secreting hydrolytic enzymes into their surroundings to breakdown complex molecules externally. they are autotrophs they ingest food particles, then secreting hydrolytic enzymes for digestion.Which of the following structures are used by amoeba for movement? Group of answer choices cilia pseudopods flagella sporocytesVisit: https://www.youtube.com/watch?v=7pR7TNzJ_pA&feature=youtu.be Examine an amoeba. Note its locomotion, termed amoeboid movement, which is the slow extension of the cytoplasm, the associated cytoplasmic streaming, and the apparent retraction How do you think amoeba eat? What do you think amoeba eat?
- A student is using a Venn Diagram to communicate understanding of the similarities and differences between fungi and animals. The student placed key characteristics in each circle and classmates are asked to review the work. Fungi Only Animals Only Both May be multicellular or unicellular Eukaryotic Multicellular Can reproduce asexually or sexually No cell wall Has a cell wall Heterotrophic Which feedback would be the MOST accurate? O A. "All animals only reproduce sexually so you need to move 'may reproduce sexually or asexually 'to fungi only." B. "You need to move the term heterotroph to the 'animals' circle because fungi can be heterotrophic or autotrophic." C. "You have all of the information correct." O D. "You should remove 'has a cell wall' because neither fungi nor animals have a cell wall.A water sample from hot spring was tested, it contained a unicellular 1. organism having a cell wall and lacking a nucleus. This organism is most likely classified as: Paramecium O Archaea Mycoplasma O Ascomycetes Brown Algae Which of the following is NOT correct about conifers?Evolution of Photosynthetic Organisms Algae are autotrophs and can have photosynthesis, however, evolutionary evidence suggests that plants shared a common ancestor with only green algae and are closest relatives of Charophytes. What evidences support this statement? How an algal cell is different from fungal cells, even if both are eukaryotes? Why slime mold is a protist not a fungus even if it does not have chloroplast? Renly