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Nookie1986 [14]
3 years ago
10

What is the external stimulus in thigmotropism?

Biology
1 answer:
irina [24]3 years ago
6 0

Answer:

Thigmotropism is defined as a negative or positive directional response in a plant or part of a plant such as a plant organ, that is caused by an external stimulus such as touch or contact with any solid object. The factor that causes the stimulus is a hard surface that can change the direction of growth of the plant or part of the plant.  Hope this helps :)

Explanation:

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How do scientists use the fossil record ​
RideAnS [48]

The Fossil Record. Fossils provide evidence that organisms from the past are not the same as those found today, and demonstrate a progression of evolution. Scientists date and categorize fossils to determine when the organisms lived relative to each other.

Brainliest please

8 0
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why it requires greater force to push a wheelbarrow loaded with soil compared to an empty wheelbarrow
TiliK225 [7]
Since the wheelbarrow is filled with soil, that adds more weight to it. Which means you would need to use more strength/force.
When the wheelbarrow is empty, it has less weight so you would use less force.
4 0
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In genetic engineering, the structures called “sticky ends” result from what process? the results of mRNA after post-transcripti
AlexFokin [52]

Answer:

Option). the uneven cutting by most restriction enzymes

Explanation:

Sticky ends can be defined as over-hanged DNA fragments of unequal length, having a terminal portion with unpaired nucleotides. These fragments are formed by a staggered cut on DNA molecules wit the help of restriction endonuclease enzymes.

These ends have complementary nucleotide bases that allow complementary base pairing between bases, and thus, known as sticky ends.  

Thus, the correct answer is 'last option.'

5 0
3 years ago
Is Lithosphere the same as geosphere.
azamat
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8 0
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Kaylis [27]

Answer:

b chromosomes

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