Identify all the false statements. 1. CDK's confer target specificity to cyclin / CDK activity. 2....
Identify all the false statements.
1. CDK's confer target specificity to cyclin / CDK activity.
2. Cyclins activate CDKs.
3. Only one cyclin is requried per cell cycle.
4. CDK's are destroyed by the ubiquitination apparatus.
5. The concentration of a CDK changes less than a cyclin during a cell cycle.
| 2 and 5. |
| 1, 3 and 4. |
| 3 only. |
| 3 and 5. |
| 1 and 4. |
Homework Answers
--> CDK action drives cells to split and suppression of CDK activity inhibits cell division.
--> Cyclins Adapting to CDK molecules and Restrain their ability to phosphoorylate target proteins
--> All eukaryotes have several cyclins all which functions during a particular phase of the cell cycle.
--> Cyclins are degraded by ubi-quitination Devices
--> Cyclins experience degradation and density in every cell cycle whereas CDK's degree is constant throughout the cell cycle.
Hence, the false statements we know are 3 and 4
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Identify all the false statements.
1. CDK's confer target specificity to cyclin / CDK activity.
2....
4. Short response (2 sentences max, 6pts each) A. Many yeast species have only one cyclin-dependent kinase (Cdk), which activates protein targets that drive events in multiple phases of the cell cycl...
4. Short response (2 sentences max, 6pts each) A. Many yeast species have only one cyclin-dependent kinase (Cdk), which activates protein targets that drive events in multiple phases of the cell cycle. Why doesn't this Cdk activate G1-, S-, G2-, and M-phase proteins all at the same time? B. Please describe how cell death by apoptosis can play a beneficial role in the body's healthy growth. C. For a cell starting in G1, place the following cell cycle events in...
4. Short response (2 sentences max, 6pts each) A. Many yeast species have only one cyclin-dependent kinase (Cdk), which activates protein targets that drive events in multiple phases of the cell cycl...
4. Short response (2 sentences max, 6pts each) A. Many yeast species have only one cyclin-dependent kinase (Cdk), which activates protein targets that drive events in multiple phases of the cell cycle. Why doesn't this Cdk activate G1-, S-, G2-, and M-phase proteins all at the same time? B. Please describe how cell death by apoptosis can play a beneficial role in the body's healthy growth. C. For a cell starting in G1, place the following cell cycle events in...
QUESTION 1 A gene that encodes a protein that stimulates progression of the cell cycle is...
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PLEASE INCLUDE THE LETTER ANSWER WITH THE EXPLANATION
1.
2. 3. 4. 5. 6.
7. 8. 9. 10.
Where in a mitochondrion is the proton gradient the smallest? o é o Across the outer mitochondrial membrane At the tips of the cristae furthest from the outer mitochondrial membrane At those parts of the cristae that are closest to the outer mitochondrial membrane There are no proton gradients in a mitochondrion Between the thylakoid lumen and the matrix o o The...
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2.
3.
4.
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4. Short response (2 sentences max, 6pts each) A. Many yeast species have only one cyclin-dependent kinase (Cdk), which activates protein targets that drive events in multiple phases of the cell cycle. Why doesn't this Cdk activate G1-, S-, G2-, and M-phase proteins all at the same time? B. Please describe how cell death by apoptosis can play a beneficial role in the body's healthy growth. C. For a cell starting in G1, place the following cell cycle events in...
4. Short response (2 sentences max, 6pts each) A. Many yeast species have only one cyclin-dependent kinase (Cdk), which activates protein targets that drive events in multiple phases of the cell cycle. Why doesn't this Cdk activate G1-, S-, G2-, and M-phase proteins all at the same time? B. Please describe how cell death by apoptosis can play a beneficial role in the body's healthy growth. C. For a cell starting in G1, place the following cell cycle events in...
PLEASE INCLUDE THE LETTER ANSWER WITH THE EXPLANATION
1.
2. 3. 4. 5. 6.
7. 8. 9. 10.
Where in a mitochondrion is the proton gradient the smallest? o é o Across the outer mitochondrial membrane At the tips of the cristae furthest from the outer mitochondrial membrane At those parts of the cristae that are closest to the outer mitochondrial membrane There are no proton gradients in a mitochondrion Between the thylakoid lumen and the matrix o o The...
2. Match the phase to the description. NOTE: this question might look a little different on the Moodle activity. Read carefully. Phase Hanne Description of Events in the Life of a Cell • Anaphase of muitosis A. The combined phases of GI/Go+S+G2 • Gl phase • G2 phase B. The cell is metabolically active; the cell duplicates argumelles and cytosolie components; the cell size starts to increase the cell makes proteins which will soon be used in DNA synthesis C....
points each) 1. Saturated fatty acids contain carbon - carbon double bonds. True False 2. The citric acid cycle generates the most energy in metabolism. True False 3. Glycolysis results in a net energy gain of 2 ATP and 2 NADH. True False 4. Complex Il in the electron transport chain is part of the citric acid cycle. True False Complete the following statements with high, low, increase or decrease. Each word may be used multiple times. Each blank is...
Please help with 1, 2, 3, 4 & 5
1.
2.
3.
4.
5.
The rate constant of a first-order process that has a half-life of 225 s is O 0.693 O 3.08 x 10-3 O 1.25 O 12.5 O 4.44 x 10-3 The initial concentration of reactant in a first-order reaction is 0.27 M. The rate constant for the reaction is 0.75 s -1. What is the concentration (mol/L) of reactant after 1.5 s. O 3.8 O 1.7 O...
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