BIO1408-Lecture_Exam2-Ch4-6_Fall2011

BIO1408-Lecture_Exam2-Ch4-6_Fall2011 - Biology 1408 -...

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Biology 1408 - Lecture Exam 2 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Each question is worth 1 point. 1) What theory states that all living things are composed of cells? 1) A) Mendel's law B) Hooke's rule C) evolutionary theory D) law of thermodynamics E) cell theory 2) The two basic types of cells are ______ and ______. 2) A) plant . . . animal B) prokaryotic . . . eukaryotic C) bacterial . . . animal D) nerve . . . muscle E) bacterial . . . protist 3) One difference between eukaryotic and prokaryotic cells is that eukaryotic cells ______ prokaryotic cells. 3) A) have DNA, which is lacking in B) have a nucleoid region, which is lacking in C) have membrane - bound organelles, which are lacking in D) have a plasma membrane, which is lacking in E) lack the complexity seen in 4) In eukaryotic cells, what name is given to the region between the nucleus and the plasma membrane? 4) A) cytoplasm B) gene C) chloroplast D) phospholipid bilayer E) nucleoid 5) You find a cell of a type you have never seen before. The cell has both a nucleus and a cell wall. Therefore, you conclude that it must be a ______ cell. 5) A) animal B) prokaryotic C) plant D) bacterial E) liver 6) Which of the following is a function of the plasma membrane? 6) A) control center of the cell B) digestion of organic materials inside the cell C) lipid synthesis D) regulation of the passage of material into and out of the cell E) protein synthesis 1
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7) ______ are the major lipids of plasma membranes. 7) A) Steroids B) Phospholipids C) Membrane proteins D) Fatty acids E) Mosaics 8) When mixed with water, phospholipids spontaneously form membranes because they ______. 8) A) have hydrophilic fatty acid tails that are attracted to water and hydrophobic phosphate groups that avoid water B) are both fluid and mosaic C) have hydrophilic heads that are attracted to their hydrophobic tails D) have hydrophilic phosphate groups that are attracted to water and hydrophobic fatty acid tails that avoid water E) are lipids 9) ______ store the information necessary to produce proteins. 9) A) Lysosomes B) Phospholipids C) Genes D) Carbohydrates E) Ribosomes 10) The nuclear envelope is composed of ______. 10) A) DNA B) genes C) carbohydrates D) a double membrane E) chromatin 11) The structural combination of DNA and protein forms ______. 11) A) ribosomes B) nucleoli C) chromatin D) ATP E) nucleoplasm 12) Most human cells contain ______ chromosomes. 12) A) 23 B) 2 C) 46 D) 36 E) 18 13) What name is given to the organelle that manufactures the components of ribosomes? 13) A) nucleus B) nucleolus C) endoplasmic reticulum D) chromosome E) cytoplasm 2
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14) Where does protein synthesis take place? 14) A) in the nucleus B) on smooth endoplasmic reticulum C) in the Golgi apparatus D) in the nucleolus E) on ribosomes 15) Information is transferred from the nucleus to ribosomes via ______. 15) A) rough endoplasmic reticulum B) phospholipids C) DNA D) smooth endoplasmic reticulum
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This note was uploaded on 12/20/2011 for the course BIOL 1408 taught by Professor Antonsolovyov during the Fall '11 term at Lone Star College.

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BIO1408-Lecture_Exam2-Ch4-6_Fall2011 - Biology 1408 -...

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