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Ivan
1 year ago
13

Experiments on the positive phototropic response of plants indicate that ______. A. light destroys auxin B. auxin moves down the

plant apoplastically C. auxin is synthesized in the area where the stem bends
D. auxin can move to the shady side of the stem
Biology
1 answer:
artcher [175]1 year ago
8 0

The answer is auxin can move to the shady side of the stem.

Phototropism is a reaction to environmental factors. It is a plant's response to sunlight in the form of movement. In plants, phototropism is very prevalent. In actuality, it is necessary for plant growth. Other plant movements also occur in response to touch, water, gravity, and other factors. Phototropism was discovered due to well-known experiments by Charles Darwin and Boysen Jensen.

There are two types of phototropism:

  • Positive phototropism
  • Negative phototropism.

Learn more about auxin here:-

brainly.com/question/16939476?referrer=searchResults

#SPJ4

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In life cycles that alternate between haploid and diploid stages, ____________ acts to reduce the number of chromosomes per cell
777dan777 [17]

Answer:

meiosis_

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zygote

Explanation:

In life cycles that alternate between haploid and diploid stages, ____meiosis_ acts to reduce the number of chromosomes per cell from two sets to one set. In life cycles that alternate between haploid and diploid stages, ___fertilization__ acts to double the number of chromosome per cell from one set to two sets. In life cycles that alternate between haploid and diploid stages, ______mitosis______ acts to keep the number of chromosomes per cell the same. In animals, a single diploid cell called a ____zygote________ divides by mitosis to give rise to all the cells of the adult body.

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2 years ago
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Answer:

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Explanation:

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The first portion of the mitotic phase, mitosis, is composed of five stages which includes prophase, prometaphase, metaphase, anaphase, telophase , which accomplish nuclear division before reaching the second stage which is cytokinensis which involves the physical separation of the cytoplasmic componenets into two daughter cells.

6 0
3 years ago
Which condition causes fatty substances to build up in blood vessels?
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3 0
3 years ago
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How do flowering plants reproduce by fertilization if they are immotile?
dimaraw [331]
Pollen distribution by wind, insects, etc. hope this helps 
6 0
2 years ago
How much force is needed to accelerate a 200 kg skier at 2 m/sec2?​
olganol [36]

Answer:

400 Newtons.

Explanation:

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F = 400 N  

6 0
3 years ago
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