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viva [34]
3 years ago
14

1. What is stimulus?

Biology
1 answer:
Viktor [21]3 years ago
3 0

Answer:

1.someting that causes directly, development, interest.

2.an answer to somebody something

3.directional movement of particular part of a plant in response to environmental stimuli

4. carbon dioxide, oxygen

5. allow for the uptake of carbon dioxide anf to limit the loss of water due to evaporation

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Epigenetics refers to a special kind of hereditary mechanism. Epigenetic changes do not change the DNA nucleotide sequence, yet
OlgaM077 [116]

Answer:

Histone acetylation or DNA methylation.

Explanation:

The epigenetics may be defined as the genetic phenomena that might cause mutation in the organism's genome. The DNA sequence of the organisms do not get changed in epigenetics.

This phenomena is limited whether the gene is herited from the mother ot the father. The phenomena like acetylation of histones increase the gene expression. The DNA methylation and histone deacetylation at specific residues reduces the gene expression.

Thus, the answer is histone acetylation or DNA methylation.

5 0
3 years ago
Traits and Reproduction, please help!
Elis [28]

Answer:

They create models of genes, proteins, and traits. In sexual reproduction, each parent randomly passes on one of its two copies of each gene to its offspring. ... Each offspring can inherit a different combination of gene versions, so siblings can have different traits from each other and from their parents.

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xz_007 [3.2K]
In an open system such as a campfire, matter can <span>lose particles, gain particles or exchange particles.</span>
8 0
4 years ago
World deserts are ______
lesantik [10]

Hey there,

Your answer is:

4

The world deserts are divided into 4 categories.

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5 0
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