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Exam 2 P2
Biology - final - exam 2 but second half
| Question | Answer |
|---|---|
| The membrane activity most nearly opposite to exocytosis is: | phagocytosis |
| When biologists wish to study the internal ultrastructure of cells, they can achieve the finest resolution by using: | a transmission electron microscope |
| Cells are so small because: | they need a surface area of sufficient size compared to their volume to support enough nutrient uptake and waste removal fo the cells to survive |
| Which structure is common to plant and animal cells? | Mitochondria |
| Ribosomes are composed of what two types of macromolecules? | proteins and RNA |
| What structures move proteins from the ER to the Golgi apparatus? | transport vesicles |
| Which organelle is the primary site of ATP synthesis in eukaryotic cells? | mitochondrion |
| In a plant cell, DNA may be found: | in the nucleus, mitochondria, and chloroplasts |
| Which structure is the site of the synthesis of proteins that may be exported from the cell? | rough ER |
| What is NOT a role for the lysosomes in the cell? | warehouse for storing, sorting, and shipping |
| Liver cells use hydrogen peroxide to detoxify alcohol and several other types of poisons. Which of the below organelles is likely to be present at high levels in liver cells than in many other types of cells in our body? | peroxisome |
| A protist that contains contractile vacuoles most likely lives ____. | in a hypotonic solution such as fresh water |
| Which component of the nucleus is made of intermediate filaments? | Nuclear lamina |
| In animal cells, the endomembrane system doesn't include: | the mitochondria |
| Movement of vesicles/organelles within the cell depends on what cellular structures? | microtubules and motor proteins |
| Eukaryotic cells require which of the following to form cilia or flagella? | microtubules |
| Microfilaments are composed of which protein? | actin |
| Plasmodesmata in plant cells are most similar in function to which of the following structures in animal cells? | gap junctions |
| Which animal cell junctions are used to hold muscle cells together to prevent tearing of muscle tissue during muscle contraction | desmosomes |
| What are three differences between eukaryotic and prokaryotic cell types? | Prokaryotic cells are smaller than eukaryotic cells, eukaryotic cells have membrane-bound organelles while prokaryotic cells do not, prokaryotic cells don't have a nucleus while eukaryotic cells do |
Created by:
josie_d
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