CONCEPTS OF BIO LAB MAN W/ CONNECT >CI<
4th Edition
ISBN: 9781307429008
Author: Hoefnagels
Publisher: MCG/CREATE
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Chapter 7, Problem 2MCQ
Summary Introduction
Introduction:
A gene is define as the basic functional and physical unit of heredity. It contains genetic material such as DNA and is converted into RNA and then into protein by the process called transcription and translation.
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The sequence of nucleotides found in mRNA is determined by the
a) structure of DNA polymerase,
b) sequence of amino acids in a protein,
c) large complex proteins,
d) sequence of nucleotides in a gene,
e) fatty acids and glycerol in the cell.
The information a cell needs to function is found on the DNA molecule in the form of
a.
multiple combinations of unknown chemicals.
b.
RNA subgroups.
c.
a spiral helix.
d.
four bases and the order in which they appear.
Which of the following best describes mRNA?Group of answer choices
a) Complexes with ribosomal proteins to form ribosomes
b) Transports amino acids to ribosomes during translation
c) Provides the instructions for the amino acid sequence of a polypeptide
d) Used for eukaryotic RNA processing
Chapter 7 Solutions
CONCEPTS OF BIO LAB MAN W/ CONNECT >CI<
Ch. 7.1 - How did Griffiths research, coupled with the work...Ch. 7.1 - How did the Hershey-Chase blender experiments...Ch. 7.2 - What are the components of DNA and its...Ch. 7.2 - What evidence enabled Watson and Crick to decipher...Ch. 7.2 - Prob. 3MCCh. 7.3 - What is the relationship between a gene and a...Ch. 7.3 - Prob. 2MCCh. 7.3 - What are the three types of RNA, and how does each...Ch. 7.4 - What happens during each stage of transcription?Ch. 7.4 - Where in the cell does transcription occur?
Ch. 7.4 - What is the role of RNA polymerase in...Ch. 7.4 - What are the roles of the promoter and terminator...Ch. 7.4 - How is mRNA modified before it leaves the nucleus...Ch. 7.5 - How did researchers determine that the genetic...Ch. 7.5 - What happens in each stage of translation?Ch. 7.5 - Where in the cell does translation occur?Ch. 7.5 - How are polypeptides modified after translation?Ch. 7.6 - What are some reasons that cells regulate gene...Ch. 7.6 - Prob. 2MCCh. 7.6 - Prob. 3MCCh. 7.6 - Prob. 4MCCh. 7.7 - What is a mutation?Ch. 7.7 - What are the types of mutations, and how does each...Ch. 7.7 - Prob. 3MCCh. 7.7 - Prob. 4MCCh. 7.7 - How are mutations important?Ch. 7.8 - What question about the FOXP2 gene were the...Ch. 7.8 - What insights could scientists gain by...Ch. 7 - A nucleotide is composed of all of the following...Ch. 7 - Prob. 2MCQCh. 7 - Transcription copies a _______ to a complementary...Ch. 7 - Choose the DNA sequence from which this mRNA...Ch. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - How does the lac operon regulate lactose digestion...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 9MCQCh. 7 - Prob. 10MCQCh. 7 - Explain how Griffiths experiment and Avery,...Ch. 7 - Prob. 2WIOCh. 7 - Prob. 3WIOCh. 7 - Put the following in order from smallest to...Ch. 7 - Prob. 5WIOCh. 7 - List the three major types of RNA and their...Ch. 7 - Some people compare DNA to a blueprint stored in...Ch. 7 - Prob. 8WIOCh. 7 - Prob. 9WIOCh. 7 - If a protein is 1259 amino acids long, what is the...Ch. 7 - The amount of melanin in the skin is controlled by...Ch. 7 - The roundworm C. elegans has 556 cells when it...Ch. 7 - Refer to the figure to answer these questions: a....Ch. 7 - A protein-encoding region of a gene has the...Ch. 7 - Explain how a mutation in a protein-encoding gene,...Ch. 7 - Describe the mutation shown in figure 7.27 and...Ch. 7 - Parkinson disease causes rigidity, tremors, and...Ch. 7 - Prob. 18WIOCh. 7 - Refer to figure 7.28 and the chapter con tent to...Ch. 7 - Prob. 2PITCh. 7 - Prob. 3PITCh. 7 - Prob. 4PIT
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- A ribozyme is a. a complex between RNA and a protein. b. an RNA that encodes a protein that functions as an enzyme. c. an RNA molecule with catalytic function. d. a protein that degrades RNA molecules.arrow_forwardWhat is a gene ? A- A molecule of DNA , which is transformed into a protein to be used by the cell B- A molecule of RNA that is made into a functional protein to do work in a cell C- A part of the cell that is assembled into an amino acid sequene, then folded into a protein D- A region of DNA containing information for building a protein or RNA productarrow_forwardIn a DNA molecule, Select one: A. The nucleotides are hydrogen-bonded to one another B. The bases are covalently bonded to one another. C. The bases are hydrogen-bonded to the sugars. D. The nucleotides are covalently bonded to one another.arrow_forward
- Treating a cell with a drug to stop tRNA from doing its job would mean what? A. that ribosomes would fall apart B. that sugars would not be added to proteins C. that nothing would be available to translate D. that amino acids would not be brought to the growing proteinarrow_forwardProteins range in size from ~50 amino acids to more than 1,000 amino acids. Given that the typical amino acid is about the same size as a nucleotide, the gene and mRNA for a protein will be ______ that protein. A. smaller than B. larger than C. about the same size as D. there is no way to tellarrow_forwardThe ribosome is needed for translation of mRNA (a) because it has the enzyme for adding amino acids to the 5’ end of a tRNA (b) because the ribosomal RNA contains the codon which determines the sequence of amino acids in a protein (c) because it positions tRNA and mRNA so that correct pairing of codon and anti-codon can occur (d) because it has an enzyme that removes introns from mRNA (e) all of the abovearrow_forward
- A researcher identifies the nucleotide sequence AAC in a long strand of RNA inside a nucleus. In the genetic code, AAC codes for the amino acid asparagine. When that RNA becomes involved in protein synthesis, will asparagine necessarily appear in the protein? Use specific content to support your argument.arrow_forwardWhat is the genetic code? a. The relationship between a three-base codon sequence and an amino acid or the end of translation b. The entire base sequence of an mRNA molecule c. The entire sequence from the promoter to the terminator of a gene d. The binding of tRNA to mRNAarrow_forwardA promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA nucleotides c. a protein that binds to DNA d. an enzyme that synthesizes RNAarrow_forward
- Which of the following best describes tRNA? a. Provides the instructions for the amino acid sequence of a polypeptide b. Complexes with ribosomal proteins to form ribosomes c. Used for eukaryotic RNA processing d. Transports amino acids to ribosomes during translationarrow_forwardWhich of the following is the function of transfer RNA? a.Makes up the structure of ribosomes b.Stores genetic information c.Carries the message that guides polypeptide assembly d.Delivers amino acids to ribosomesarrow_forwardThe molecule DNA is important to biological systems because a. it can be replicated. b. it encodes the information for making a new individual. c. it forms a complex, double-helical structure. d. nucleotides form genes.arrow_forward
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