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kotegsom [21]
2 years ago
5

______________________ spiral movement of growing plants, especially the main stem. group of answer choices twining nodding cont

raction mutations
Biology
1 answer:
AveGali [126]2 years ago
3 0

Nutation is the bending movement of growing plants, especially the main stem. Thus, option D is correct.

<h3>What is nutation?</h3>

Nutation is defined as bending movements of stems, leaves, roots and other plant organs due to difference in growth in different parts of plant organ.

Nutation is also known as circumnutation and it is a particular class of nastic movements during which organ of plants bends in different directions, resulting in swinging motion.

Plant such as monocotyledons and dicotyledons shows plant nutation.

Nutation is the that takes place when force is absorbed at core and other parts in the direction of gravitational forces.

Therefore, nutation is the spiral movement of growing plants, especially the main stem.Thus, option A is correct.

Learn more about nutation here:

brainly.com/question/2180770

#SPJ4

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Where would contour farming and terraces be most likely to be found? a. On flat, expansive grasslands b. In wetlands c. On hilly
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<h3>What is Contour Farming?</h3>

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<h3>What is Terrace farming?</h3>

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Learn more about<u> </u><u>farming methods</u> here:

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6 0
3 years ago
Descibe how changes to genes can affect the traits of organisms.
irakobra [83]

Answer:

Please find the explanation below.

Explanation:

Changes in the genetic sequence of a DNA is called MUTATION. A gene is a segment of the DNA that holds information for the synthesis of proteins, which are responsible for the observable traits in organisms. The expression of a gene brings about the synthesis of a protein that effects a particular trait in an organism. The gene is expressed in two major stages viz: transcription and translation.

Transcription involves production of an mRNA molecule using the encoded information in the genes of a DNA while translation is the synthesis of a protein using the mRNA as a template.

Since, the order of the sequence in a gene determines the order of the sequence in the mRNA which ultimately determines the order of sequence in the protein, a change in the gene of an organism will affect the observed trait of that organism.

More detailedly, a change in the gene will cause a change in the mRNA sequence during transcription. A change in the mRNA sequence will cause a change in the amino acid sequence during translation. A change in the amino acid sequence will affect the protein produced i.e. might not be functional or may not be produced at all. An affected protein will cause a trait in that organism to be affected.

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