Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 4.4, Problem 3CC
WHAT IF? Imagine a protein that functions in the ER but requires modification in the Golgi apparatus before it can achieve that function. Describe the protein’s path through the cell, starting with the mRNA molecule that specifies the protein.
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Chapter 4 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 4.1 - Prob. 1CCCh. 4.1 - Prob. 2CCCh. 4.2 - Briefly describe the structure and function of the...Ch. 4.2 - Prob. 2CCCh. 4.3 - What role do ribosomes play in carrying out...Ch. 4.3 - Describe the molecular composition of nucleoli,...Ch. 4.3 - WHAT IF? As a cell begins the process of dividing,...Ch. 4.4 - Describe the structural and functional...Ch. 4.4 - Describe how transport vesicles integrate the...Ch. 4.4 - WHAT IF? Imagine a protein that functions in the...
Ch. 4.5 - Describe two characteristics shared by...Ch. 4.5 - Prob. 2CCCh. 4.5 - Prob. 3CCCh. 4.6 - Prob. 1CCCh. 4.6 - WHAT IF? Males afflicted with Kartageners syndrome...Ch. 4.7 - In what way are the cells of plants and animals...Ch. 4.7 - Prob. 2CCCh. 4.7 - MAKE CONNECTIONS The polypeptide chain that makes...Ch. 4 - Which structure is not part of the endomembrane...Ch. 4 - Which structure is common to plant and animal...Ch. 4 - Which of the following is present in a prokaryotic...Ch. 4 - Prob. 4TYUCh. 4 - Cyanide binds to at least one molecule involved in...Ch. 4 - What is the most likely pathway taken by a newly...Ch. 4 - Which cell would be best for studying lysosomes?...Ch. 4 - DRAW IT From memory, draw two eukaryotic cells....Ch. 4 - SCIENTIFIC INQUIRY In studying micrographs of an...Ch. 4 - FOCUS ON EVOLUTION Compare different aspects of...Ch. 4 - FOCUS ON ORGANIZATION Considering some of the...Ch. 4 - Prob. 12TYU
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- VISUALIZE Sketch a simple flow diagram that shows the relationships among the following: RNA, translation, DNA, transcription, and polypeptide.arrow_forwardOrder+the+following+of+protein+sentesis+sequence+from+earliest: (a)tRNA molecule bring specific amino acids to he mRNA molecule. b)mRNA nucleotides join with exposed DNA bases and form a molecule of mRNA.(c)The two stands of a DNA molecule separate. (d)Peptide bonds form between the amino acids. (e)the mRNA molecule leave the nucleus. (f) a ribosome attached to the mRNA molecule.arrow_forwardSAY IT WITH DNA: PROTEIN SYNTHESIS WORKSHEET: Practice Pays Having studied the process by which DNA directs the synthesis of proteins, you should be ready to decode some DNA "secret" messages. To do this, you must follow the procedure of protein synthesis as this is taking place right now in your cells; no short cuts! Practice these steps by following and finishing the partially solved message below. STEP 1: "Build" the mRNA molecule, matching the RNA nucleotides to the DNA nucleotides properly, letter by letter. (For purposes of simplicity, it will be assumed that this mRNA is bacterial; there are no introns to cut out!) STEP 2: Figure out the tRNA triplets (codons) which would fit the mRNA triplets (letter by letter). STEP 3: Look up each tRNA codon in the tRNA Dictionary (below), and find the corresponding symbol and amino acid abbreviation for that codon. Record that one-letter symbol (and its amino acid) below each codon. "Spc" = "space". If you have done this correctly, the…arrow_forward
- Membrane Protein Insertion in the ER This figure displays five small hypothetical proteins. The a-helix secondary structure of the protein is bracketed and the number of amino acids in the helix is indicated. If the hypothetical ER localization sequence is green-yellow-yellow-green-yellow-red, what protein could potentially be a transmembrane protein in the plasma membrane? = Acidic = Basic = Polar (uncharged) O = Hydrophobic CO₂ T 20 CO2 T 20 NH₂ A. T 20 NH₂ B. NH₂ C. T 20 NH₂ D. NH₂ E. tot 10arrow_forwardOr. Foyez Samar The volume enclosed by the plasma membrane of plant cells is often much larger the c corresponding volume in animal cells. The most regsengble explanation for this observation Is that A) plant cells are capable of having a much higher surface-to-volume ratio than animal cells. B) plant cells have a much more highly convoluted (folded) plasma membrane than animal cens. C) plant cells contain a large vacuole that reduces the volume of the cytoplasm. D) animal cells are more spherical, whereas plant cells are elongated. 12 A uarrow_forwardPLEASE HELP! Please use the following terms and describe how each works to control protein expression. - Chromosomal level- Transcription- mRNA transcript- mRNA degradation- Translation blockage- Protein degradationarrow_forward
- AKS 5c1: Which of the following models BEST represents protein synthesis? * O MRNA (UAC AAA) - DNA (ATG TTT) Amino Acid Sequence (Lysine-Alanine) - Amino Acid Sequence (Methionine- DNA (TAC AAA) RNA (AUG UUU) Phenylalanine) RNA (AUG UUU) DNA (TAC Amino Acid Sequence (Methionine-Phenylalanine) AAA) DNA (AUG UUU) RNA (TAC AAA) Phenylalanine) - Amino Acid Sequence (Methionine- AKS 5c1: Using codon wheel below, which of the models correctly represents the usage of the base pairing rule, the correct sequence of events, and creation of proteins at the ribosomes? *arrow_forward. What would happen in each of the following cases? Assume in each case that the protein involved is a soluble protein, not a membrane protein. You add a signal sequence (for the ER) to the N-terminal end of a normally cytosolic protein. You change the hydrophobic amino acids in an ER signal sequence into charged amino acids. You change the hydrophobic amino acids in an ER signal sequence into other hydrophobic amino acids. 4 You move the N-terminal ER signal sequence to the C-terminal end of the protein.arrow_forwardUsing the the enzyme acid hydrolase in the lysosome: What is the final destination in which the protein will function? Which features will the protein receive during its manufacture? What is the primary structure (general)? Where is the primary structure made? Where are the secondary and tertiary structures made? Will the protein travel through any organelles during its manufacture? Which ones? What would be the overall result if some part of the manufacture process went wrong, such that the protein ended up as nonfunctional?arrow_forward
- SAY IT WITH DNA: PROTEIN SYNTHESIS WORKSHEET: Practice Pays Student Handout Having studied the process by which DNA directs the synthesis of proteins, you should be ready to decode some DNA "secret" messages. To do this, you must follow the procedure of protein synthesis as this is taking place right now in your cells; no short cuts! Practice these steps by following and finishing the partially solved message below. STEP 1: "Build" the mRNA molecule, matching the RNA nucleotides to the DNA nucleotides properly, letter by letter. (For purposes of simplicity, it will be assumed that this mRNA is bacterial; there are no introns to cut out!) STEP 2: Figure out the tRNA triplets (codons) that would fit the mRNA triplets (letter by letter). STEP 3: Look up each tRNA codon in the tRNA Dictionary (below), and find the corresponding symbol and amino acid abbreviation for that codon. Record that one-letter symbol (and its amino acid) below each codon. "Spc" = "space". If you have done this…arrow_forwardQ: Ligands are extracellular proteins involved in signalling. Explain how a typical ligand is secreted starting from the time the ribosome starts translating the mRNA of the gene encoding the ligand. ** THE ANSWER SHOULD NOT EXPLAIN THE MECHANISM OF TRANSLATION **arrow_forwardQOD #6 Directions: Label the illustration below using the following terms: MRNA, ÉRNA, rRNA/ribosome, transcription, translation, codon, polypeptide chain/protein. Each term will only be used once.arrow_forward
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