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What hormone cause photoTropism?
auxins
How do auxins cause cells to grow?
auxin
What may be a cause of root gravitropism?
Root gravitropism is mainly controlled by the hormone auxin. The differential distribution of auxin across the root due to gravity is a key factor in causing roots to grow downward. The auxin gradient results in differential cell elongation on the upper and lower sides of the root, leading to root bending towards gravity.
How is the role of auxin in the bending of stems toward light?
Auxins move from their source into the rest of the plant, where they stimulate cell elongation. A higher concentration of auxins accumulate in the shaded part of a stem and causes the plant to move towards the light.
Is proteus urease positive?
Proteus urease is considered a positive organisim. This occurs when enterics hydrolyze urea and cause a rapid deterioation. This term is also referred to as rapid urease positive organisms.
What hormone cause photoTropism?
auxins
What tropism is a stem that grows upward?
Positive phototropism is when a stem grows upward towards light. This response is controlled by hormones that cause cells on the darker side of the stem to elongate, causing the stem to bend towards the light source.
How does auxin function in plants?
It has several important roles. development of the embryo leaf formation phototropism gravitropism apical dominance fruit development abscission root initiation and development the shade-avoidance effectAuxin is produced in the plant tip, controls vertical growth in shoots, and lateral growth in roots. This is because as the plant grows, it needs more water and minerals. Auxin, as a result, will build up and cause lateral growth in the root system, which allows the plant to receive more nutrients. Auxin in the shoot tip is transported to the shady or dark side of the plant, causing that side to grow and therefore bend the plant towards the light or other stimulus.
How do auxins cause cells to grow?
auxin
Will buspirone cause false positive?
will buspirone cause a false positive for benzodiazipies
What may be a cause of root gravitropism?
Root gravitropism is mainly controlled by the hormone auxin. The differential distribution of auxin across the root due to gravity is a key factor in causing roots to grow downward. The auxin gradient results in differential cell elongation on the upper and lower sides of the root, leading to root bending towards gravity.
Can phentermine cause a diluted result in a drug urinalysis?
No, it WILL cause a true positive for amphetamines.
Does belsomra cause positive results for benzos?
will suvorexant cause a positive drug test result for benzos
What can cause false positive for methadone?
False positive for methadone
Defference and similarities between tropism and tactic movement?
Tropism and tactic movements are both types of responses exhibited by organisms to external stimuli, but they differ in their nature and mechanisms: Similarities: Response to Stimuli: Both tropism and tactic movements involve responses to external stimuli, which can include light, temperature, chemicals, gravity, or touch. Directed Responses: They both involve directional movements or growth in response to stimuli, aiming to optimize the organism's interaction with its environment. Differences: Nature of Response: Tropism: Tropism refers to the growth or movement of a plant or organism in response to an external stimulus. It's typically a slower, more gradual and permanent response, often involving growth towards (positive tropism) or away from (negative tropism) the stimulus. Tactic Movement: Tactic movements are rapid, often reversible movements exhibited by entire organisms or specific parts of organisms in response to a stimulus. These movements are usually immediate and aim to bring the organism closer to or move it away from the stimulus. Types of Organisms Involved: Tropism: It is commonly observed in plants, where responses such as phototropism (response to light) or gravitropism (response to gravity) can cause directional growth. Tactic Movement: This is more commonly observed in motile organisms like animals, where responses like phototaxis (movement towards light) or chemotaxis (movement towards or away from chemicals) occur. Mechanisms Involved: Tropism: Tropism involves growth responses, often due to differential growth rates or hormonal changes in specific parts of the organism in response to the stimulus. Tactic Movement: These movements involve the coordination of muscles or specialized cellular structures that enable rapid movement, such as flagella or cilia in single-celled organisms or muscle contractions in multicellular animals. In summary, while both tropism and tactic movements are responses to external stimuli, tropism involves slower, growth-based responses primarily observed in plants, whereas tactic movements are rapid, often reversible movements seen in motile organisms like animals and some single-celled organisms.
Can folliculitis cause a false positive hsv2 result?
No, folliculitis will note cause a false positive HSV2 result.
Can vitriol cause a positive on a drug test?
Vitriol? As in sulfuric acid? No. It can cause a positive on a death test, though.
