EBK HUMAN ANATOMY & PHYSIOLOGY
1st Edition
ISBN: 9780100659834
Author: AMERMAN
Publisher: YUZU
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Textbook Question
Chapter 3, Problem 16CYR
Number the following steps of protein synthesis in the order in which they occur, starting with 1 and ending with 9.
a._____The stop codon is reached, and the polypeptide is released.
b._____The small ribosomal subunit finds the start codon, and the large ribosomal subunit joins.
c._____The end of the gene is reached, and the pre-mRNA is released and then edited.
d._____The transcription factor binds the promoter.
e._____The protein is folded and modified to become functional.
f._____RNA polymerase builds the mRNA transcript.
g._____mRNA and initiator tRNA bind the small ribosomal subunit.
h._____New tRNAs are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site.
i._____mRNA exits the nucleus via a nuclear pore.
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Students have asked these similar questions
Number the following steps of protein synthesis in order in which they occur, starting with 1 and ending with 9.
a. ____ the stop codon is reached, and the polypeptide is released
b.____ the small ribosomal subunit finds the start codon, and the large ribosomal subunit joins.
c.____ the end of the gene is reached, and the pre-mRNA is released and then edited.
d. ____ The transcription factor bonds the promoter.
e. ____ the protein is folded and modified to become functional.
f. ____ RNA polymerase builds the mRNA transcript.
g. ____ mRNA and initiator tRNA bind the small ribosomal subunit.
h. ____ new tRNAs are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site.
i. ____ mRNA exits the nucleus via a nuclear pore.
For 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.
The sequence of bases in a sample of
MRNA was found to be:
GGU,AAU,CCU,UUU,GUU,ACU,CAU,UGU
a Deduce the sequence of amino acids this
codes for.
b Determine the sequence of bases in the
coding strand of DNA from which this
MRNA was transcribed.
c Within a cell, state where the triplet codes,
codons and anticodons are found.
Chapter 3 Solutions
EBK HUMAN ANATOMY & PHYSIOLOGY
Ch. 3.1 - What are the general functions of cells?
Ch. 3.1 - Prob. 2QCCh. 3.1 - Where are intracellular and extracellular fluids...Ch. 3.2 - How do the phospholipids arrange themselves in the...Ch. 3.2 - 2. How is the plasma membrane described according...Ch. 3.2 - List five functions of membrane proteins.Ch. 3.2 - What roles do cholesterol, glycoproteins, and...Ch. 3.3 - The energy for passive processes comes from the...Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - Simple diffusion is a passive process, but...
Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - How does the process of primary active transport...Ch. 3.3 - What is the main primary active transport pump in...Ch. 3.3 - Describe the process of secondary active...Ch. 3.3 - What are the three types of endocytosis, and how...Ch. 3.3 - Explain the basic process of exocytosis.Ch. 3.4 - 1. Identify the properties listed in the next...Ch. 3.4 - Identify the following properties as belonging to...Ch. 3.4 - To what destinations can products from the Golgi...Ch. 3.5 - Prob. 1QCCh. 3.5 - Prob. 2QCCh. 3.5 - Prob. 3QCCh. 3.6 - 1. What are the main components of the nucleus?...Ch. 3.6 - What is chromatin? How are chromatin and...Ch. 3.6 - 3. What is a nucleolus, and what is its...Ch. 3.7 - How is a codon related to a triplet?Ch. 3.7 - 2. Describe the basic steps of transcription.
Ch. 3.7 - Explain how tRNA acts as the translator of the...Ch. 3.7 - Describe the basic steps of translation.Ch. 3.7 - 5. Why is posttranslational modification...Ch. 3.7 - 6. Why is it important to regulate gene...Ch. 3.8 - What happens during each stage of the cell cycle?Ch. 3.8 - What does semiconservative replication mean?Ch. 3.8 - Describe the changes in the cell that take place...Ch. 3.8 - What are four external factors that play a role in...Ch. 3 - Which of the following is not a basic function...Ch. 3 - Prob. 2CYRCh. 3 - What are the two fluid compartments in the body,...Ch. 3 - 4. Which of the following best describes the...Ch. 3 - Mark the following statements about the plasma...Ch. 3 - 6. What is the primary difference between active...Ch. 3 - 7. Match the term with its appropriate...Ch. 3 - 8. Fill in the blanks: A hypotonic solution will...Ch. 3 - 9. Match the following terms with the correct...Ch. 3 - Prob. 10CYRCh. 3 - Mark the following statements about the...Ch. 3 - 12. Our somatic cells’ DNA is distributed among...Ch. 3 - Explain how and why chromatin is condensed in the...Ch. 3 - Which of the following statements correctly...Ch. 3 - Each of the following statements about protein...Ch. 3 - Number the following steps of protein synthesis in...Ch. 3 - Which of the following is not a phase of mitosis?...Ch. 3 - 18. Why is regulation of the cell cycle...Ch. 3 - 19. Mark the following statements about the cell...Ch. 3 - 20. Match the following terms with the correct...Ch. 3 - 1. Write a single sentence, using no more than 25...Ch. 3 - 2. Certain diseases are transmitted via...Ch. 3 - 3. Explain how the form of each of the following...Ch. 3 - Certain types of cancerous lung tumors can secrete...Ch. 3 - Why do you think the rate of cell division is...Ch. 3 - 1. A patient is admitted to the hospital and...Ch. 3 - A popular science fiction program once had an...Ch. 3 - Prob. 3AYKACh. 3 - Prob. 4AYKACh. 3 - 5. Explain how buffer systems in the body work if...
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- Each of the following statements about protein synthesis is false.Correct each to make a true statement. a. In a gene, each nucleotide specifies one amino acid in a protein sequence. b. A transcription factor must bind to the promoter region of a gene before the enzyme DNA synthetase is able to bind and begin transcription. c. The enzyme RNA polymerase builds a strand of transfer RNA, whose codons are complementary to DNA’s triplets. d. Proteins destined for secretion from the cell enter the nucleus after translation, to be folded and modified. e. During translation, amino acids are delivered by the messenger RNA transcriparrow_forwardComplete the phrases with the correct word or words. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. methionine b. ribosome c. codon d. AUG e. UAC The mRNA moves out of the nucleus and attaches to a The first codon of an mRNA molecule is always As soon as the first codon is in place, a tRNA molecule arrives with the anti-codon The first tRNA to arrive always carries the amino acid called, The ribosome scoots along the mRNA to read the nextarrow_forwardIndicate 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_forward
- Please consider the figure below. a. Give the name of the process illustrated in the figure. b. If this is part of the elongation stage, explain what is going to happen next. Use the labels, A, B and/or C to answer the question. c. What type of enzyme is involved in the process described in (b)? d. What terminus of the protein is represented by label A?arrow_forwardWhich of the following BEST describes the characteristics and function of siRNA? A. a short strand of RNA that can complement and inactivate a sequence of mRNA B. a short strand of RNA that can act as a transcription factor to initiate transcription C. a strand of DNA that can bind to and inactivate an mRNA sequence D. a tRNA that is not able to attach to a ribosome and therefore inhibits the process of translationarrow_forwardArrange the statements in their proper order by writing the corresponding letter (e.g. A) for each statement in the space provided below. A. The single-stranded RNA would complement the target RNA. B. Gene expression is inactivated once the mRNA is no longer accessible for translation. C. The risk-induced silencing complex which is composed of RNA and protein subunits is formed. D. Double-stranded, non-coding RNA is cleaved by Dicer. E. The mRNA can be cleaved or remain bound by the RISC. 1. 2. 3. 4. 5.arrow_forward
- Which 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_forward3. Given the following DNA molecule: 3' T 5' cG G T АА А АСТ А | | | | | | | | | | | АT G C САТ ТТТGА 5' - A 3.arrow_forwardConsider the following DNA sequence:CATGTGTAGTCTAAAa. Write the sequence of the DNA strand that would be repli-cated from this one.b. Write the sequence of the RNA molecule that would betranscribed from the DNA strand.c. State how many codons the sequence specifies.d. State how many amino acids the sequence specifiesarrow_forward
- Put the events of translation in order. A. Ribosome reads the start codon and initites transcription B. The ribosome recruits the correct tRNA to its binding site. C. Peptide bond occurs betweeen two amino acids D. The "empty" tRNA leaves the ribosomesarrow_forwardDescribe and explain (step by step) how DNA is Transcribed into mRNA. Then describe and explain (step by step) how mRNA is Translated into proteins. Be sure to describe where these events are occurring, which structures are involved and be as detailed as you can.arrow_forwardWhich of the following best describes the initiation of translation? A. The mRNA binds the large ribosomal subunit. The start codon is identified and an rRNA with methionine is bound to the start codon. B. The mRNA binds the small ribosomal subunit. The start codon is identified and the large subunit is recruited. C. The mRNA binds the small ribosomal subunit. The start codon is identified and a tRNA with methionine is bound to the start codon. D. The mRNA binds the small ribosomal subunit. The start codon is identified and the tRNA with methionine enters the A site.arrow_forward
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