A vesicle in the cytoplasm is found to contain DNA with nucleotide sequences similar to those found in bacterial DNA. How may have this become present in the cell? a.Endocytosis b.Endosymbiosis c.Autophagy d.Exocytosis
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A vesicle in the cytoplasm is found to contain DNA with
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- Newly made proteins are modified in which organelle? A. mitochondrion B. ribosome C. nuclear envelope D. endoplasmic reticulumWhich organelle works to pack cellular secretions? a. endoplasmic reticulum b. Golgi apparatus c. ribosome d. vacuoleWhich organelle is most prominent in cells that make large amounts of protein? a.chromosome b.proteasome c.nucleus d.nucleolus
- Which of these elements of the cytoskeleton is composed of tubulinand forms essential components of centrioles, spindle fibers, cilia,and flagella?a. actin filaments b. intermediate filaments c. microtubulesWhat is embedded in rough endoplasmic reticulum?a. ribosomes c. chromatinb. Golgi apparatus d. vesiclesWhat is line A pointing to? A. cell membrane B. cell wall C. mitochondria D. nucleus
- What are the pairs of DNA that are found in the nucleus? A. Nucleic Acids B. Nuclear Envelope C. Chromosomes D. CytokinesisFor items 6-15 choose the letter of the best answer. No need to write the explanations. 6. How does a cell wall functions as protection for the cell? A. It protects the cell from insects. B. It controls passage of substances C. It maintains cell shape during excess water in cells D. It contains genetic material 7. It is an organelle for assembling ribosomes with genes for rRNA synthesis. A. Chromosomes B. Mitochondria C. Nucleolus D. Ribosomes 8. Why do phospholipids tend to organize into a bilayer in an aqueous solution? A. it hides its tail from water B. It hides its tail like a dog C. It arranges itself like a comb D. Its saturated fatty acids are straight 9. Which of the following matches with a microtubule's function? A. Cellular respiration B. Digestion C. Movement D. Photosynthesis 10. Which structure clearly distinguishes a eukaryote from a prokaryote? A. Chloroplast B. Flagella C. Nucleolus D. Vacuole 11. Which organisms have the smallest size of cells? A. Animals B.…Which type of microscopy allows us to clearly view the internal contents of cell structures smaller than 200 nm? A. Scanning electron microscopy B. Light microscopy C. Fluorescence microscopy D. Transmission electron microscopy
- Which functions are carried out by smooth endoplasmic reticulum? A. Makes phospholipids and stores calcium B. Breaks down cellular wastes and debris via enzymes C. Modifies polypeptides and lipids then sorts and packages the finished products into vesicles D. Folds and modifies proteins and polypeptides via surface ribosomeswhich of the following describes how RNA and DNA are used in mitosis? a. leads to the synthesis of proteins that assist in cell replication b. produce energy for cell division c. moves vesicles to the middle of the cell to form the cell plate d. forms spindle fibers that attach to chromosomesWound healing is an example of mitosis cell cycle . The part of the cell that aids this process is the? A. Endoplasmic reticulum B. Centrioles C. Cystoskleton D. Golgi body