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Unit 3 DP Bio Test

Cell Structure, Types, and Specialization

QuestionAnswer
Which structure is found in both prokaryotic and eukaryotic cells? Ribosomes.
Which functions of life are found in all unicellular organisms? Growth, response, and nutrition.
Which statement is true of cells? Cells can have multiple nuclei.
Which organelles have a transport function? Golgi apparatus and endoplasmic reticulum.
What evidence from the image of Paramecium indicates whether the organism is a prokaryote or eukaryote? Compartments in the cell indicate that it is a eukaryote.
A red blood cell is 8 µm in diameter. If drawn 100 times larger than its actual size, what diameter will the drawing be in mm? 0.8 mm.
Which of the following is NOT a difference between prokaryotic and eukaryotic cells? Prokaryotic cells have greater compartmentalization than eukaryotic cells.
A botanist measures a leaf and finds it is 24 cm long and 8 cm wide. His drawing of the leaf is 4 cm wide. Which was the magnification and length of his drawing, assuming that the proportions of the drawing were correct. (D is x0.5 in Scale &12cm long). D.
This image shows the characteristic rod-shape of E. coli bacteria. If the length of the scale bar is 20 mm and shows 2μ, what is the magnification of the image? 10,000 x
Which feature do a chloroplast and a nucleus have in common? (check all that apply) They are both surrounded by a double membrane. And They both contain DNA.
Which of the following explains how all cells in a multicellular organism can have the same DNA, and yet there are many different types of cells? Some genes are expressed in some cells but not others.
Which of the following distinguishes a light microscope from an electron microscope? (check all that apply) Light microscopes capture images in true color, whereas electron microscopes can only capture black-and-white. Electron microscopes have much greater resolution. Electron microscopes are larger and more expensive than light microscopes.
Which of the following does NOT provide support for endosymbiotic theory? All cells with mitochondria and chloroplasts also have a cell wall.
Which of the following organelles is approximately 25 µm in diameter, consists of two subunits that function in protein synthesis, and is sometimes attached to membranes? Ribosomes.
What organelle is pictured in the image below? [Picture showing something w/ free and bound ribosomes.]. Rough endoplasmic reticulum.
Striated muscle fibers and aseptate fungal hyphae are atypical cells in what way? They both contain multiple nuclei.
Red blood cells are specialized for carrying oxygen to body cells. Which of the following is NOT an adaptation that helps them carry out this function? Lacking a cell membrane.
Eukaryotic cells may have originated from a prokaryotic cell engulfing an aerobic bacteria, which then became a mitochondria, and/or engulfing a photosynthetic bacteria, which then became a chloroplast. What theory describes this process? Endosymbiotic Theory.
This image shows an organelle that has a double membrane and its own circular DNA. The inner membrane folds into cristae. What is the function of this organelle? To produce ATP, the usable form of energy for the cell.
Amino acids and other organic compounds have been synthesized in the lab from inorganic materials. True.
The cell wall -----. The nucleus ------. The chloroplast ------. gives strength and structure to the cell stores genetic material produces sugars through the process of photosynthesis
As the size of a cell increases, the surface area to volume ratio --------. This limits the amount of materials that can be moved into and out of the cell for metabolic functions. Therefore, larger cells are ------- efficient. decreases less
Which of the following is a likely place for life to have originated on Earth, and a likely candidate for the first genetic material? Hydrothermal vents; RNA
What are ribozymes? RNA that can act as a catalyst.
Created by: user-1907392
 

 



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