How is auxin hormone transported? A. auxin is transported by diffusion only B. auxin is trasported...
How is auxin hormone transported?
| A. |
auxin is transported by diffusion only |
|
| B. |
auxin is trasported by polar polar transport |
|
| C. |
auxin is transported by phloem |
|
| D. |
all of the above transport mechanisms are used to move auxin within the plant body |
Homework Answers
B, Auxin is transported by polar-polar transport
It is co-ordinational movement of cell -to-cell movement.
Add Answer to:
How is auxin hormone transported?
A.
auxin is transported by diffusion only
B.
auxin is trasported...
How does facilitated diffusion differ from simple diffusion? Facilitated diffusion requires ATP Facilitated diffusion requires a...
How does facilitated diffusion differ from simple diffusion? Facilitated diffusion requires ATP Facilitated diffusion requires a solute-specific protein carrier Facilitated diffusion transports solute against its’ concentration gradient Which of the following is TRUE about primary active cell membrane transport? It is a form of transport that requires a protein “pump” It is a form of transport that transports ions and/or solute against their concentration gradient It is a transport mechanism that requires energy released from the splitting of ATP by...
From the following list of properties, indicate which one(s) can be used to distinguish between each...
From the following list of properties, indicate which one(s) can be used to distinguish between each of the following pairs of transport mechanisms. Transport Mechanisms: A. Simple diffusion; facilitated diffusion B. Facilitated diffusion; active transport C. Simple diffusion; active transport D. Symport; antiport E. Uniport; coupled transport Properties: 1. Directions in which two transported solutes move 2. Direction the solute moves relative to its concentration gradient or its electrochemical potential 3. Kinetics of solute transport (rate and ability to move)...
11. For a hormone to elicit a specific response from a cell, the cell must possess...
11. For a hormone to elicit a specific response from a cell, the cell must possess a. a synapse. b. a cell body. c. dendrites specific to the hormone. d. receptor proteins specific to the hormone. 12. In a cell, the difference in ion concentration between the intracellular and extracellular fluids results from a. active ion transport. b. passive diffusion of ions. c. bulk movements of intracellular and extracellular fluids. d. both active ion transport and passive diffusion of ions.
Which statements are false about facilitated diffusion. Select all that apply! a. molecules or ions are transported with the...
Which statements are false about facilitated diffusion. Select all that apply! a. molecules or ions are transported with the help of a protein b. atp energy is required to move the molecules or ions down their concentration gradient. c. the molecules or ions move down their concentration gradient. d. the molecules move against their concentration gradient.
QUESTION 1 Which of these statements is NOT correct? A. Endodermis requires energy to move nutrients...
QUESTION 1
Which of these statements is NOT correct?
A.
Endodermis requires energy to move nutrients into vascular
cylinder of roots.
B.
Energy is required to make soil nutrients available to
roots.
C.
Plants spend energy to maintain their symbiotic relationship
with soil microorganisms.
D.
Root cells do not spend energy to transfer nutrients from soil
because their movement is powered by transpiration when water
enters the roots.
E.
All of the above statements are correct.
1 points
QUESTION...
The process(es) of a. osmosis b. diffusion c. facilitated diffusion d. active transport e. two of the above 7. do...
The process(es) of a. osmosis b. diffusion c. facilitated diffusion d. active transport e. two of the above 7. do NOT proceed to equilibriunm 8. The process of br a. Phagocytosis b. Pinocytosis c. Receptor mediated endocytosis d. None of the above ringing large particles into the cell using vesicles is called 9. Water is capable of forming hydrogen bonds because a. the hydrogen atoms carry partial positive charges. b. the oxygen atom carries a partial negative charge. c. it...
c. diffusion d. an action potential Hormones in the bloodstream are degraded into inactive metabolites by...
c. diffusion d. an action potential Hormones in the bloodstream are degraded into inactive metabolites by enzymes in the: a. liver b.stomach C. gallbladder d. esophagus 20. The endocrine and systems are the two major systems responsible for the regulation of the organ systems of the body in order to maintain homeostasis. a. circulatory b. lymphatic c. musculoskeletal d. nervous 21. All of the following function to recognize a specific hormone and translate the hormone si into a cellular response...
Question 1 Auxin transport Not yet answered Points out of 1.00 Flag question Select one: O...
Question 1 Auxin transport Not yet answered Points out of 1.00 Flag question Select one: O a. Is polar, whereby auxin travels from shoot tips down the plant towards the roots. b. Produces a gradient of auxin required to establish organ formation and phototropic responses. c. Auxin is at highest concentrations, near its sources, like the apical meristems O d . Directionality of auxin movement (conferring polarity) is conferred by basally localized efflux carriers called PIN proteins e. All of...
7. Gonadot ropin-releasing hormone (GnRH) causes the release of what hormone A. Leuteinizing hormone (LH) B....
7. Gonadot ropin-releasing hormone (GnRH) causes the release of what hormone A. Leuteinizing hormone (LH) B. Thyroid-stimulating hormone (TSH) C. Somatostatin D. Growth hormone (GH) emzyme converts an inactive hormone called Anglotensinogen to A. ACE; Renin B. Renin; ACE 、C. Angiotensin I; ACE D. Renin; Angiotensin I 9. Which of the following is not a function of semen: A. Increases pH of reproductive tracts B. Causes secretion of testosterone C. Provides energy for sperm D. Activation and capacitation of sperm...
Which statement is false? A. Gate channels facilitate diffusion. B. Co-transport is a mechanism used to...
Which statement is false? A. Gate channels facilitate diffusion. B. Co-transport is a mechanism used to move amino acids from the lumen of the small intestine into epithelial cells. C. Among mammals, protein digestion begins in the stomach. D. Symporters facilitate diffusion.
11. For a hormone to elicit a specific response from a cell, the cell must possess a. a synapse. b. a cell body. c. dendrites specific to the hormone. d. receptor proteins specific to the hormone. 12. In a cell, the difference in ion concentration between the intracellular and extracellular fluids results from a. active ion transport. b. passive diffusion of ions. c. bulk movements of intracellular and extracellular fluids. d. both active ion transport and passive diffusion of ions.
QUESTION 1
Which of these statements is NOT correct?
A.
Endodermis requires energy to move nutrients into vascular
cylinder of roots.
B.
Energy is required to make soil nutrients available to
roots.
C.
Plants spend energy to maintain their symbiotic relationship
with soil microorganisms.
D.
Root cells do not spend energy to transfer nutrients from soil
because their movement is powered by transpiration when water
enters the roots.
E.
All of the above statements are correct.
1 points
QUESTION...
The process(es) of a. osmosis b. diffusion c. facilitated diffusion d. active transport e. two of the above 7. do NOT proceed to equilibriunm 8. The process of br a. Phagocytosis b. Pinocytosis c. Receptor mediated endocytosis d. None of the above ringing large particles into the cell using vesicles is called 9. Water is capable of forming hydrogen bonds because a. the hydrogen atoms carry partial positive charges. b. the oxygen atom carries a partial negative charge. c. it...
c. diffusion d. an action potential Hormones in the bloodstream are degraded into inactive metabolites by enzymes in the: a. liver b.stomach C. gallbladder d. esophagus 20. The endocrine and systems are the two major systems responsible for the regulation of the organ systems of the body in order to maintain homeostasis. a. circulatory b. lymphatic c. musculoskeletal d. nervous 21. All of the following function to recognize a specific hormone and translate the hormone si into a cellular response...
Question 1 Auxin transport Not yet answered Points out of 1.00 Flag question Select one: O a. Is polar, whereby auxin travels from shoot tips down the plant towards the roots. b. Produces a gradient of auxin required to establish organ formation and phototropic responses. c. Auxin is at highest concentrations, near its sources, like the apical meristems O d . Directionality of auxin movement (conferring polarity) is conferred by basally localized efflux carriers called PIN proteins e. All of...
7. Gonadot ropin-releasing hormone (GnRH) causes the release of what hormone A. Leuteinizing hormone (LH) B. Thyroid-stimulating hormone (TSH) C. Somatostatin D. Growth hormone (GH) emzyme converts an inactive hormone called Anglotensinogen to A. ACE; Renin B. Renin; ACE 、C. Angiotensin I; ACE D. Renin; Angiotensin I 9. Which of the following is not a function of semen: A. Increases pH of reproductive tracts B. Causes secretion of testosterone C. Provides energy for sperm D. Activation and capacitation of sperm...
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