Which of the following is FALSE about ethylene signaling? a. A receptor mutant that can't bind ethylene would be a receptor that is always turned on. b. Ethylene signaling involves phosphorylation. c. Ethylene has a soluble receptor. d. Ethylene signaling involves the ubiquitin-proteasome system. Which of the following is FALSE concerning GA? a. GA promotes seed germination. b. GA inhibits the degradation of growth factor protein. c. GA insensitive plants would have a late-flowering phenotype. d. GAs are graft-transmissible.

Which of the following is FALSE about ethylene signaling? a. A receptor mutant that can't bind ethylene would be a receptor that is always turned on. b. Ethylene signaling involves phosphorylation. c. Ethylene has a soluble receptor. d. Ethylene signaling involves the ubiquitin-proteasome system. Which of the following is FALSE concerning GA? a. GA promotes seed germination. b. GA inhibits the degradation of growth factor protein. c. GA insensitive plants would have a late-flowering phenotype. d. GAs are graft-transmissible.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter9: Cell Communication

Section: Chapter Questions

Problem 7TYK: Which of the following would not inhibit signal transduction? a. Phosphate groups are removed from...

See similar textbooks

Similar questions

1.Binding of steroid hormone-receptor complex to DNA ultimately causes:a. Production of 2nd messengerb. Activation of inactive proteinsc. Replicationd. New protein synthesis 2.Which of the following cell-surface receptor is used by peptide and protein hormones?a. Ion-channel-linked receptorb. G-protein-linked receptorc. Tyrosine-kinase receptord.All of the above receptors are used 3.Calvin cycle (light-independent reaction) of photosynthesis is NOT:a. Endergonicb. Anabolicc. ATP & NADPH dependentd. Exergonic 4. Which of the following components is present in prokaryotic cells? a. Mitochondriab. Ribosomesc. Nuclear enveloped. All are present
1. Plant Hormone signal transduction is an exciting field and the mode of signaling for various hormones in the cellular context have been elucidated. Compare and contrast the plant hormone Auxin and ethylene signal transductions mechanisms. (Hint. Begin at the Receptor level)
1. Differentiation of the Spemann’s primary organizer requires which of the following?* a. transcription of nodal by tcf3. b. rotation of the cortex before fertilization. c. inhibition of disheveled protein by GSK3. d. inhibition of GSK3 to increase ß-catenin protein. 2. Which of the following types of induction is NOT exhibited during eye lens differentiation? a. instructive induction b. community induction c. reciprocal induction d. sequential induction 3. Paracrine signaling is characterized by which of the following?* a. Inducer and responder are adjacent. b. Evocators diffuse towards receptors. c. Evocators are ligand membrane proteins. d. membrane channels allow ions to diffuse between cell 4. Trithorax group proteins silence genes by* a. trimethylating histone 3 at lysine residue 2. b. trimethylating histone 4 at lysine residue 2. c. trimethylating histone 3 at lysine residue 4. d.…
1. The four steps in the signal transduction pathway are listed below, a-d. Label the diagram above with the letters a-d to indicate where on the diagram each step is taking place, and answer the two questions below. a. Signal transmission i. Describe what is taking place during the signal transmission step. b. Reception i. Describe what is taking place during the reception step. Be sure to use the terms ligand, receptor, and target cell. C. Signal transduction d. Response
1. A) Describe the three steps (Reception, Transduction, Response) of de-etiolation (greening response) signal transduction in plants. B) Describe a signal transduction (give the stimulus and response) that may occur in humans.
ties of the brain and spinal cord B. Match the hormones that are supposed to be added to a plant in order to achieve the following results: a. Auxin b. Gibberellin c. Cytokinin d. Abscisic Acid e. Ethylene 19. unpollinated flowers are treated with this hormone so ovary enlarges and becomes a seedless fruit 20. substitute for temperature or light cues in plant seeds to get them to germinate 21. black spots on banana skin are spots where these are produced inducing ripening 22. seeds/bulbs stay dormant during winter to ensure survival of the plant when it germinates 23. most grape growers spray this in vines to increase length of branches between fruit clusters for more air spaces among fruits to lower fungal infections 24. sprayed on cut leaves and stems so they will remain green longer while unsprayed leaves will tum yellow and die
Which of the following is the function of cytokinin? A. activation of defense response from biotrophic and hemi-biotrophic pathogens B. structurally related to animal steroid hormones for growth and development C. long distance (root-to-shoot) signals for nitrogen assimilation D. defense from necrotrophic pathogens and herbivore insects
What is the biological function of SOS in plants? Select one: a. it is a calcium antiporter b. it is a sodium transporter c. it alleviates stress by seeking help during drought d. it improves calcium nutrition in plants e. it promotes salt sensitivity
Under which of the following conditions would pollen from an S2S5 plant successfully pollinate an S1S5 flower? a. Using pollen from a carpelate flower to fertilize a staminate flower would be successful. b. If the plants used gametophytic self-incompatibility, half of the pollen would be successful. c. If the plants used sporophytic self-incompatibility, half of the pollen would be successful. d. Pollen from an S2S5 plant can never pollinate an S1S5 flower.
Which of the following is an effective plant defense against insect herbivory? Select one: a. Hypersensitive response b. Gene-for-gene resistance c. Salicylic acid d. Protease inhibitors e. Resistance genes
1. This hormone’s activity counters many of the growth-promoting effects of other hormones. A. Gibberellins B. Ethylene C. Abscisic Acid D. Auxin 2. these stimulate shoot elongation, seed germination, and fruit and flower maturation. A. Gibberellins B. Ethylene C. Abscisic Acid D. Auxin 3. It is the ability of plants to track time through the use of light A. Photoperiodism B. Phototropism C. Photomorphogenesis D. Phototropin
The same signal can have different effects in different cells because there a. are different receptor subtypes that initiate different signal transduction pathways. b. may be different coactivators in different cells. c. may be different target proteins in different cells’ signal transduction pathways. d. All of the choices are correct.