Biology
Biology, 23.08.2019 16:30, mrskhg3395

When a horizontally positioned plant responds to gravity,
auxins in the lower sides of stems cause cell elongation that bends the stem upright.
the shoot bends to grow downward, toward the force of gravity.
all parts of the plant bend upward, away from the force of gravity.
auxins in the shoot cause the growth of tendrils to pull the shoot upwards.

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Biology, 27.06.2019 03:40, ghernadez
1. abscisic acid chemicals produced by plants that stimulate stem elongation, seed germination, and flowering 2. auxins hormone that promotes ripening of fruit or blooming of flowers 3. cytokinins chemicals produced in plants that are characterized by their ability to induce cell elongation and cell division in stems 4. ethylene chemicals that plant cells divide 5. gibberellins hormone that regulates survival functions of a plant, such as the opening and closing of stomata
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Biology, 16.07.2019 16:00, rigobertoherreea
Match the following chemicals with their descriptions. 1. abscisic acid - hormone that regulates survival functions of a plant, such as the opening and closing of stomata 2. auxins - chemicals produced by plants that stimulate stem elongation, seed germination, and flowering 3. cytokinins - chemicals produced in plants that are characterized by their ability to induce cell elongation and cell division in stems 4. ethylene - hormone that promotes ripening of fruit or blooming of flowers 5. gibberellins - chemicals that plant cells divide
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Biology, 31.07.2019 13:50, cocodemain
Auxins a. promote cell elongation and cell division in stems.b. stimulates seed growth and fruit development.c. promotes cell divisiond. regulates the opening and closing of stomata
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Biology, 07.10.2019 16:30, charethafoster
1. which following is not a function of a auxins? a. promoting apical dominance b. promoting cell elongation in stems c. promoting the growth of lateral buds d. promoting the growth of new roots 2. hormones that stimulate cell elongation and are produced in the rapidily growing region near the tip of the plant's root or stem are called a. auxins. b. ethylenes. c. cytokinins. d. gibberellins. 3. which hormone produces increases in size, especially in stems and fruits? a. auxin b. cytokinin c. gabberellin d. ethylene 4. what is the source of ethylene gas in a plant? a. leaf buds b. root hairs c. fruit tissues d. lateral meristems 5. if the apical meristem of a mature plant is removed, the plant will most likely a. lose its ability to develop new new roots. b. show a dramatic and rapid increase in height. c. develop apical dominance and begin to flower. d. lose apical dominance and grow lateral branches.
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When a horizontally positioned plant responds to gravity,
auxins in the lower sides of stems c...

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