Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 6.4, Problem 3CC
WHAT IF? Ø 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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WHAT IF? Imagine a protein that functions in the ERbut requires modification in the Golgi apparatus beforeit can achieve that function. Describe the protein’s paththrough the cell, starting with the mRNA molecule thatspecifies the protein.
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Grammarly
Describe in detail each of the following proteins and their
role in the cellular processes that they are involved. How
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function? i) Ras ii) immunoglobulins iii) CDKS
Multipass transmembrane proteins synthesized by ribosomes on the rough endoplasmic reticulum generally have which of the following arrangements of start-transfer and stop-transfer signals?
multiple start signals and multiple stop signals (to allow multiple transmembrane regions)
multiple start signals, but only one stop signal (to allow only one transmembrane region)
only one start signal, but multiple stop signals (to allow only one transmembrane region)
only one start signal, and only one stop signal (to allow only one transmembrane region)
only one stop signal, and only one start signal (to allow only one transmembrane region)
Chapter 6 Solutions
Campbell Biology
Ch. 6.1 - Prob. 1CCCh. 6.1 - Prob. 2CCCh. 6.2 - Briefly describe the structure and function of the...Ch. 6.2 - DRAW IT Draw a simplified elongated cell that...Ch. 6.3 - What role do ribosomes play in carrying out...Ch. 6.3 - Describe the molecular composition of nucleoli and...Ch. 6.3 - Prob. 3CCCh. 6.4 - Describe the structural and functional...Ch. 6.4 - Describe how transport vesicles integrate the...Ch. 6.4 - WHAT IF? Imagine a protein that functions in the...
Ch. 6.5 - Describe two characteristics shared by...Ch. 6.5 - Prob. 2CCCh. 6.5 - Prob. 3CCCh. 6.6 - Prob. 1CCCh. 6.6 - WHAT IF? Males afflicted with Kartagener's...Ch. 6.7 - In what way are the cells of plants and animals...Ch. 6.7 - Prob. 2CCCh. 6.7 - MAKE CONNECTIONS The polypeptide chain that makes...Ch. 6.8 - Prob. 1CCCh. 6 - Prob. 6.1CRCh. 6 - Explain how the compartmental organization of a...Ch. 6 - Describe the relationship between the nucleus and...Ch. 6 - Describe the key role played by transport vesicles...Ch. 6 - What does the endosymbiont theory propose us the...Ch. 6 - Describe the role of motor proteins inside the...Ch. 6 - Prob. 6.7CRCh. 6 - When a cell ingests a bacterium, what role does...Ch. 6 - Prob. 1TYUCh. 6 - Prob. 2TYUCh. 6 - Which of the following is present in a prokaryotic...Ch. 6 - Prob. 4TYUCh. 6 - Which cell would be best for studying lysosomes?...Ch. 6 - Prob. 6TYUCh. 6 - EVOLUTION CONNECTION (a) What cell structures best...Ch. 6 - SCIENTIFIC INQUIRY Imagine protein X, destined to...Ch. 6 - WRITE ABOUT A THEME: ORGANIZATION Considering some...Ch. 6 - SYNTHESIZE YOUR KNOWLEDGE The cells in this SEM...
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- Or. 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_forwardGenetic expression involves transcription and translation. Match the structure or molecule to the step site where amino acid combines with tRNA intron sequences are removed and exons are combined together makes RNA more stable in the cytoplasm region of DNA with sequences that combine with RNA polymerase transcribed strand that will go on to translation connects amino acid to polypeptide chain and leaves tRNA site where tRNA with amino acid enters the ribosome recognized by the protein synthesis machinery enzyme that connects RNA nucleotides to DNA template part of tRNA with nucleotides complementary to mRNA 1. peptide bond 2. 3. antisense strand 4. anticodon loop 5. RNA polymerase 5' cap 6. A site 8. 7. splicing 9. promoter region acceptor stem 10. poly-A tailarrow_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
- Q: 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_forwardMembrane 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_forwardAKS 5c1: Which explanation accurately describes the model below? * DNA MRNA Transcription Mature MRNA Nucleus Transport to cytoplasm for protein synthesis (ranstation MANA Cell membrane This model represents protein synthesis since the tRNA is delivering amino acids to form a polypeptide chain that will form a protein. This model represents protein synthesis since the tRNA is delivering lipids which will be used to bond proteins to form an enzyme. This model represents protein synthesis because DNA is being copied during transcription in the nucleus before leaving the nucleus. This model represents protein synthesis because MRNA is coiling to form a new protein molecule in the cytoplasm.arrow_forward
- . What is the minumum number of tRNA molecules that a cell must contain in order to translate all 61 sense codons?arrow_forwardHey, I need help with this: Describe the main events that occur after transcription to generate a mature mRNA and ensure its correct localisation in the cell. Please include splicing, 5' and 3' modifications, RNA export from the nucleus, and how some mRNAs are localised within the cytoplasm. Please be very detailed and long explanation ,and dont copy from google answer in your own words asap pleasearrow_forwardGene Expression: Illustrate some steps involved in RNA processing and identify the sequence of amino acids in a polypeptide chain corresponding to the codons in the mRNA. Procedure and Questions: The following segment of DNA codes for a protein. The uppercase letters represent exons. The lowercase letters represent introns. The lower strand is the template strand. 1. Indicate the 3’ and 5’ ends of both strands. G C T A T A A T G G C A a a a t t g G G T C A G G C A a a t c g a C A T A G C T G A C G G g g a t g a G G T T A A C G A T A T T A C C G T t t t a a c C C A G T C C G T t t a g c t G T A T C G A C T G C C c c t a c t C C A A T T 2. Write the pre-mRNA molecule. Indicate the 3’ and 5’ ends. 3. Write the mRNA molecule. Indicate the 3’ and 5’ ends. 4. Write the tRNA anticodons corresponding to the codons in the mRNA. 5. Write the sequence of amino acids in the resulting polypeptidearrow_forward
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