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BIO 2280 - MICRO BIOLOGY COMPLETE SET QUESTIONS WITH ANSWERS | UPDATED | ALREADY PASSED lOMoAR cPSD| I. Binary Fission A. How do prokaryotes replicate? 1. Through the process of binary fission B. What form of reproduction is binary fission? 1. Asexual reproduction C. How many daughter cells are formed from binary fission? 1. 2 D. What happens in step 1 of binary fission? 1. The cell elongates its cell envelope and the DNA is replicated E. When the septum forms in binary fission d...

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BIO 202-Assignment 3 Verified Questions With Answers What is the layer of the pleural membrane that is attached to the surface of the lung? - ANSWER visceral pleura What is the outermost layer of the pleural membrane? - ANSWER Parietal pleura What is the fluid filled area between the pleural layers called? - ANSWER Pleural cavity The pleural membranes function like a fluid filled balloon that completely surrounds the heart. - ANSWER false What determines the direction of gas movem...

Bio 202 EXAM 3 QUESTIONS AND CORRECT DETAILED ANSWERS How is recombinant DNA technology used to clone the human GH gene? 1st step! - ANSWER 1. use PCR to obtain the gene (Simply cutting the DNA with restriction enzymes would not be an effective way to isolate a specific gene. The genome would be cut into so many fragments, if you ran a gel it would be a smear! Which fragment is yours? You would need hybridization to isolate your fragment. Wouldn't have much DNA- not like the amo...

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Bio 101 REAL Exam 2 QUESTIONS WITH VERIFIED ANSWER |ALREADY PASSED ATP hydrolysis is a. endergonic. b. exergonic. c. chemoautotrophic. d. None of the above - ANSWER exergonic. Enzymes are biological catalysts and function by a. increasing free energy in a system. b. lowering activation energy of a reaction. c. lowering entropy in a system. d. increasing temperature near a reaction. - ANSWER lowering activation energy of a reaction. Which of the following contribute to the speci...

BIO 101 nvcc final EXAM TEST QUESTIONS ANSWRED CORRECTLY & VERIFIED What is an adaptation? A.a genetic change over time B.an increase in reproductive success by certain individuals C.a trait that is heritable and confers reproductive success D.differential reproductive success of a particular individual E. B & D - ANSWER C.a trait that is heritable and confers reproductive success In a population of dogs, long ears are dominant over short ears. If 50 of 200 dogs in a population...

BIO 101 NVCC FINAL ACTUAL EXAM QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS Which of the following is INCORRECTLY paired? A.Buffon -- suggested new species arise from a common ancestor B.Hutton -- theory of catastrophism that brief & violent global upheavals are responsible for geological formations C.Cuvier -- recognized that lower layers of rock contain older fossils D.Lyell -- uniformitarianism that natural processes are slow and steady - ANSWER B.Hutton -- theory of ca...

BIO 101 NVCC EXAM 3 ACTUAL EXAM QUESTIONS WITH ANSWER VERIFIED Eukaryotic chromatin is composed of - ANSWER DNA and proteins What is produced if a cell completes mitosis but does not undergo cytokinesis? - ANSWER one cell with two nuclei, each identical to the nucleus of the parent cell Humans produce skin cells by mitosis and gametes by meiosis. The nuclei of skin cells produced by mitosis will have - ANSWER twice as much DNA as the nuclei of gametes produced by meiosis Compar...

Bio 101 NVCC Exam 2 QUESTIONS AND CORRECT ANSWERS ALREADY PASSED What is metabolism? - ANSWER the totality of an organism's chemical reactions What is a metabolic pathway? What is required in each step? - ANSWER is a series of chemical reactions which begins with a specific molecule and ends with a product Each step needs an enzyme What is difference between anabolic and catabolic pathways? - ANSWER Catabolic pathways-release energy by breaking down complex molecules into simp...

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Bio 101 NVCC Exam 1 TEST WITH VERIFIED ANSWERS Matter - ANSWER organisms are composed of matter Element - ANSWER - A substance that cannot be broken down to other substances by chemical reactions - Oxygen, carbon, and hydrogen make up 96.3% of the body - An element's properties depend on the structure of its atoms Compound - ANSWER A substance consisting of two or more elements in a fixed ratio Trace elements - ANSWER required by an organism in only minute quantities Atoms - ANSW...

BIO 101 EXAM QUESTIONS AND CORRECT DETAILED ANSWERS What makes the "head" of a phospholipid hydrophilic? A) The even distribution of electrons across the fatty acids makes the head polar. B) The uneven distribution of electrons across the fatty acids makes the head polar. C) The phosphate group carries a negative charge, making the head polar. D) The phosphate group carries a negative charge, making the head nonpolar - ANSWER C Which would most likely pass unaided through a pla...

BIO 101 EXAM QUESTIONS AND CORRECT DETAILED ANSWERS What makes the "head" of a phospholipid hydrophilic? A) The even distribution of electrons across the fatty acids makes the head polar. B) The uneven distribution of electrons across the fatty acids makes the head polar. C) The phosphate group carries a negative charge, making the head polar. D) The phosphate group carries a negative charge, making the head nonpolar - ANSWER C Which would most likely pass unaided through a pla...

Bio 101 EXAM PRETEST QUESTIONS WITH VERIFIED ANSWERS LATEST UPDATE Which type of protein would more likely be able to function as a channel through the plasma membrane - ANSWER integral both carrier and ________ proteins are involved in passive transport of molecules through the cell membrane. - ANSWER channel which type of protein binds a specific molecule based upon shape, bringing about a change in shape that causes a cellular response? insulin is a type of hormone that bind...

QUESTIONS WITH DETAILED ANSWERS cell wall - ANSWER A rigid structure that surrounds the cell membrane and provides support to the cell Chloroplasts - ANSWER Organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis Endergonic reactions - ANSWER reactions that absorb energy; the products have more energy than the reactants (i.e. dehydration) exergonic reations - ANSWER Chemical reactions that release energy (i.e. hydr...

BIO 101 ACTUAL EXAM QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS Beginning within the nucleus, the first step leading to the synthesis of a polypeptide is _____. ~removal of introns from RNA and the stitching together of exons ~linking of nucleotides to form a polypeptide ~transferring of information from DNA to messenger RNA ~translation of an RNA nucleotide sequence into a sequence of amino acids ~translation of a DNA nucleotide sequence into a sequence of amino acids - ANS...

Bio 93 Real Exam Questions With Verified Answers 100% {Main Concepts} All cells share these two characteristics enclosed by a membrane; uses DNA as genetic information What is the main difference between prokaryotic and eukaryotic cells? eukaryotic has a nucleus (membrane enclosed), while prokaryotic does NOT. What is the composition of cells? water (70-95%) and carbon based molecules for the rest What elements are 96% of living matter made from? carbon, oxygen, nitrogen, hydrogen...

Bio 1P91 Midterm October Verified Questions & Correct Answers | Expert- Solutions | Latests update elements of the scientific method - ANSWER characterization, generate hypothesis, experimentation, intemperate results an accepted hypothesis is aka - ANSWER theory Law or principal - ANSWER Accepted by overwhelming majority of scientists What do e- shells represent - ANSWER Energy state of an atom In water ionic bonds - ANSWER Dissociate Types of bonds - ANSWER Ionic, covalent, H bo...