Seeley's Anatomy & Physiology
11th Edition
ISBN: 9781259254963
Author: Jennifer Regan (author), Andrew Russo (author), Rod Seeley (author) Cinnamon Vanputte (author)
Publisher: McGraw Hill Higher Education
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Textbook Question
Chapter 3, Problem 19RAC
A portion of an mRNA molecule that determines one amino acid in a polypeptide chain is called a(n)
a.
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Students have asked these similar questions
The role of transfer RNA (tRNA) is to match a codon (3 bases) in mRNA sequence to:
A.
An amino acid
B.
A peptide bond
C.
An R group
D.
A start codon
Which of the following describes the interactions between a codon and an anticodon?
A. A codon and an anticodon become covalently bonded together due to the activity of the ribosome.
B. A codon and anticodon do not come into direct contact because codons are in the nucleus but anticodons are in the cytoplasm.
C. A codon and anticodon are attracted to each other due to hydrogen bonding.
D. A codon and an anticodon are linked together by an amino acid.
..
In translation of an mRNA into a protein, the first amino acid that is attached to the start codon is which of the following?
a. O-formylmethionine
b. Serine
c. N-formylmethione
d. Cysteine
Chapter 3 Solutions
Seeley's Anatomy & Physiology
Ch. 3.1 - What parts are common to most cells?Ch. 3.1 - Explain the four characteristic functions of the...Ch. 3.2 - Which cell features can be seen with a light...Ch. 3.3 - Explain five functions of the plasma membrane.Ch. 3.3 - Prob. 5AYPCh. 3.3 - Prob. 6AYPCh. 3.3 - What are the main chemical components of the...Ch. 3.4 - Prob. 8AYPCh. 3.4 - Summarize the characteristics of the fluid-mosaic...Ch. 3.4 - Prob. 10AYP
Ch. 3.5 - Prob. 11AYPCh. 3.5 - Prob. 12AYPCh. 3.5 - What are the three classes of transport proteins?Ch. 3.5 - Describe specificity, competition, and saturation...Ch. 3.5 - Prob. 15AYPCh. 3.5 - Prob. 16AYPCh. 3.5 - Prob. 17AYPCh. 3.5 - Prob. 18AYPCh. 3.5 - Prob. 19AYPCh. 3.5 - Prob. 20AYPCh. 3.6 - Explain why the plasma membrane is selectively...Ch. 3.6 - Prob. 22AYPCh. 3.6 - Describe how the amount of solute in a solvent...Ch. 3.6 - How is the rate of diffusion affected by an...Ch. 3.6 - Prob. 25AYPCh. 3.6 - Compare isosmotic, hyperosmotic, and hyposmotic...Ch. 3.6 - Prob. 27AYPCh. 3.6 - Prob. 28AYPCh. 3.6 - What is secondary active transport? Describe how...Ch. 3.6 - Prob. 30AYPCh. 3.6 - Prob. 31AYPCh. 3.6 - Prob. 32AYPCh. 3.6 - Describe and give examples of exocytosis.Ch. 3.7 - Prob. 34AYPCh. 3.7 - Prob. 35AYPCh. 3.7 - List and describe the functions of microtubules,...Ch. 3.7 - What are cytoplasmic inclusions? Give several...Ch. 3.8 - Define organelles. Are oil orgonelles found in oil...Ch. 3.8 - Describe the structure of the nucleus and the...Ch. 3.8 - Prob. 40AYPCh. 3.8 - Prob. 41AYPCh. 3.8 - Prob. 42AYPCh. 3.8 - What molecules combine to form ribosomes? Where...Ch. 3.8 - Prob. 44AYPCh. 3.8 - Prob. 45AYPCh. 3.8 - What are the functions of the rough endoplasmic...Ch. 3.8 - Prob. 47AYPCh. 3.8 - Relate the structure and function of the Golgi...Ch. 3.8 - Prob. 49AYPCh. 3.8 - Prob. 50AYPCh. 3.8 - Prob. 51AYPCh. 3.8 - Prob. 52AYPCh. 3.8 - What are the structure and function of...Ch. 3.8 - Describe the structure of a mitochondrion. How...Ch. 3.8 - What enzymes are found on the cristae? In the...Ch. 3.8 - What is the centrosome? Relate the structure of...Ch. 3.8 - What are spindle fibers? Explain the relationship...Ch. 3.8 - Prob. 58AYPCh. 3.8 - Prob. 59AYPCh. 3.9 - Prob. 60AYPCh. 3.9 - Prob. 61AYPCh. 3.9 - Prob. 62AYPCh. 3.9 - Prob. 63AYPCh. 3.9 - Prob. 64AYPCh. 3.9 - Prob. 65AYPCh. 3.9 - Prob. 66AYPCh. 3.9 - Place the steps of translation in sequence. In...Ch. 3.9 - Prob. 68AYPCh. 3.9 - State two ways the cell controls what part of DNA...Ch. 3.10 - Describe the cell’s activities during the G1, S....Ch. 3.10 - Prob. 71AYPCh. 3.10 - Prob. 72AYPCh. 3.10 - Prob. 73AYPCh. 3.10 - Differentiate among chromot in, chromcitids, and...Ch. 3.10 - Prob. 75AYPCh. 3.10 - Prob. 76AYPCh. 3.10 - Prob. 77AYPCh. 3.11 - Prob. 78AYPCh. 3 - In the plasma membrane, _____ form(s) the lipid...Ch. 3 - Which of the following functioning proteins are...Ch. 3 - In general, lipid-soluble molecules diffuse...Ch. 3 - Small pieces of matter, and even whole cells, can...Ch. 3 - The rate of diffusion increases if the a....Ch. 3 - Concerning the process of diffusion, at...Ch. 3 - Prob. 7RACCh. 3 - Prob. 8RACCh. 3 - Which of these statements about facilitated...Ch. 3 - Which of these statements concerning the symport...Ch. 3 - A white blood cell ingests solid particles by...Ch. 3 - Given these characteristics: (1) requires energy...Ch. 3 - Cytoplasm is found a. in the nucleus. b. outside...Ch. 3 - Which of these elements of the cytoskeleton is...Ch. 3 - A large structure, normally visible in the nucleus...Ch. 3 - A cell that synthesizes large amounts of protein...Ch. 3 - Which of thes organelles produces large amounts of...Ch. 3 - Prob. 18RACCh. 3 - A portion of an mRNA molecule that determines one...Ch. 3 - In which of these organelles is m RNA synthesized?...Ch. 3 - During the cell cycle, DNA replication occurs...Ch. 3 - Given the following activities: Repair Growht...Ch. 3 - Apoptosis Is a programmed cell death. Removes...Ch. 3 - Prob. 1CTCh. 3 - Prob. 2CTCh. 3 - Prob. 3CTCh. 3 - Prob. 4CTCh. 3 - Luke started a training program at the beginning...Ch. 3 - Prob. 6CT
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- The first nucleotide in every mRNA molecule ever produced is _________ and the first amino acid of every amino acid chain ever produced is ________ a. guanine; alanine b. uracil; lysine c. cytosine; threonine d. adenine; methioninearrow_forwardThe anticodons are located in a.tRNA. b.rRNA. c.mRNA. d.ribosomes. e.endoplasmic reticulum.arrow_forwardA codon is: a. An alternative name for gene b. Three amino acids that encode a nucleotide c. Three nucleotides that encode an amino acid d. One of three nucleotides that encode and amino acidarrow_forward
- Which of the following statements about mRNA is INCORRECT? A. the sugar moiety of mRNA is D-ribose B. the polynucleotide chain contains sequences made up of three bases called codons C. MRNAS have a 5'03' orientation D. all mRNAs have lengths equal to the DNA from which it is transcribed E. MRNA exists as single stranded moleculearrow_forwardWhich 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 processes is a part of protein synthesis and is NOT affected by a silent mutation? a. synapsis b. Transcription c. Translation d. Replicationarrow_forward
- Indicate the phase of protein synthesis during which each of the following processes occurs: a. A ribosomal subunit binds to a messenger RNA. b. The polypeptide is actually synthesized. c. The ribosome moves along the codon sequence. d. The ribosome dissociates into its subunits.arrow_forwardWhich of the following steps in protein synthesis does not require a direct supply of energy? a. proofreading step by certain aminoacyl-tRNA synthetases b. translocation of mRNA in a ribosome c. linkage of an amino acid to its cognate tRNA d. alignment of a tRNA anticodon with an mRNA codonarrow_forwardWhich of the following statements about codons in prokaryotic cells and eukaryotic cells is correct? A. Prokaryotic codons are longer than eukaryotic codons. B. Eukaryotic codons are made of DNA, and prokaryotic codons are made of RNA. C. Prokaryotes do not have mRNA, so there are no codons. D. Codons are very similar, no matter whether the cell is prokaryotic or eukaryotic.arrow_forward
- The term translation refers to which of the following? a. DNA → RNA b. RNA → DNA c. proteins → RNA d. RNA → proteinsarrow_forwardFor each of the following, identify the type of RNA involved (mRNA, rRNA, or tRNA). a. Transports the correct amino acid to the ribosome, using the information encoded in the mRNA. b. Is a major component of ribosomes. c. Specifies the order of amino acids in a protein, using a series of three-base codons, where different amino acids are specified by particular codons. d. Contains a three-base anticodon that pairs with a complementary codon revealed in the mRNA. e. Assists in making the bonds that link amino acids together to make a protein.arrow_forwardIn the genetic code, one codon a. consists of three bases. b. specifies a single amino acid. c. specifies more than one amino acid. d. Both a and b are correct.arrow_forward
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