1. The definition of a gene is: a. the sum of genetic information in an organism b. a segment of DNA that carries the genetic information needed to make a protein c. the structure into which DNA is packaged d. a segment of RNA that carries the genetic information needed to make a protein 2. In the double-stranded DNA, the base pairs are: a. G-A and T-U b. G-C and A-U c. A-T and G-C d. A-U and G-C

1. The definition of a gene is: a. the sum of genetic information in an organism b. a segment of DNA that carries the genetic information needed to make a protein c. the structure into which DNA is packaged d. a segment of RNA that carries the genetic information needed to make a protein 2. In the double-stranded DNA, the base pairs are: a. G-A and T-U b. G-C and A-U c. A-T and G-C d. A-U and G-C

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter18: Dna Technologies: Making And Using Genetically Altered Organisms, And Other Applications

Section: Chapter Questions

Problem 1TYK

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Which of the following statements about DNA is false? a. Phosphate is linked to the 5 and 3 carbons of adjacentdeoxyribose molecules. b. DNA is bidirectional in its synthesis. c. Each side of the helix is antiparallel to the other. d. The binding of adenine to thymine is through three hydrogenbonds. e. Avery identified DNA as the transforming factor in crossesbetween smooth and rough bacteria.
One species' DNA differs from others in its _______ a. nucleotides b. DNA sequence c. sugar-phosphate backbone d. all of the above
1. How may recombinant DNA molecules be introduced into human cells? a. by splicing the needed genes into a mammalian chromosome using restriction enzymes. b. by adding plasmids to the mammalian cells. c. by using engineered viruses as vectors. d. by using a gene gun. 2. If someone is accused of a crime, investigators can collect his or her DNA to compare the DNA of the cells found at the crime scene. To collect human DNA, investigators often swab the inside of person’s cheek. Just a few human cheek cells contain enough material to perform PCR. In a cell, the nucleus and mitochondria contain DNA that is the starting material for PCR. Identify the 4 components needed to start a PCR reaction (equipment not included)
4. It is known that RNA is a nucleic acid responsible for the synthesis of proteins. However, there is another nucleic acid alongside RNA: DNA. What role does the latter play in relation to RNA? a) RNA is synthesized in the cell in case too large a mutation damages the DNA. b) DNA has the reproductive genetic code of all cells and passes it on to RNA. c) DNA directs the synthesis of enzymes, while RNA synthesizes proteins. d) DNA synthesizes RNA according to a blueprint that includes the guidelines necessary for the structure of proteins.
1. Determine what amino acid will be formed from the given DNA strand below: 3’ T A C A T G C C G A A T G C C 5’ 2. how will replication happen by mentioning the enzyme needed then transcribe to form mRNA. 3. Discuss what will happen to mRNA, then translate, mentioning the anticodon to be used 4. Look at the genetic code to know what amino acid will become part of the polypeptide chain.
5)Which type of nucleic acid would have the sequence "ACCGAUUG"? a)DNA b)mRNA c)Another type of nucleic acid d)More information is needed
1)The percentage of adenine in a sample of a DNA molecule is 35%. So, the percentage of thymine should be: a)65% b)35% c)53%
1. Which of the following statements about the flow of genetic information is correct?A. Translation occurs prior to transcription during protein synthesis.B. During translation, the DNA template is converted to amino acids by the ribosomes.C. During transcription, the DNA template is converted to an RNA molecule by the enzyme RNA polymerase.D. Eukaryotic mRNA needs to be transported to the cytoplasm before the protein products are synthesized. 2. What is the main difference in the cell wall composition between eukaryotes and prokaryotes?A. Eukaryotic cell wall is mainly composed on sugar molecules while prokaryotic cell wall has both sugars and amino acids.B. Prokaryotic cell wall is mainly composed on sugar and lipid molecules while eukaryotic cell wall has both sugars and amino acidsC. Prokaryotic cell wall is mainly composed on sugar molecules while eukaryotic cell wall has both sugars and amino acids.D. Eukaryotic cell wall is mainly composed on sugar and lipid molecules while…
3)Which of the following statements is false? Select one: a. DNA, RNA and proteins are all composed of nucleotides. b. DNA and RNA are molecules that store information. c. DNA and RNA both have a sugar-phosphate backbone. d. DNA and RNA follow base pairing rules which allow information to be consistently stored, copied and used. e. All of the above are correct.
4)Genotype is a)DNA that controls when and where proteins are synthesized b)An observable trait (or traits) of an organism c)DNA that provides instructions for building a protein d)DNA of no known function e)The genetic composition that underlies a trait (or traits) f)DNA that provides the instructions for synthesizing various types of small RNA molecules
Which of the following is a/are false characteristic(s) regarding DNA? A. DNA can be found in both the mitochondria and the cell nucleus of animal cells B. DNA can be partially formed of the nitrogenous base called cytosine C. DNA is required for the process of translation in animal cells D. Both A and C are false E. None of the above (A,B, and C) are false
1. the position that distinguishes between DNA and RNA is 2. the carbon that the phosphate group is attached to is 3. the carbon that the base is attached to is 4. the nucleotide in a growing strand would be attached to