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viva [34]
3 years ago
7

Un grupo de celula se llama organoverdadero o falso?​

Biology
1 answer:
Tcecarenko [31]3 years ago
7 0

Answer:

Falso

Explanation:

Un grupo de celulas hacen un tejido/tissue.

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Which of the following phenotypic classes reflect offspring that were generated as a result of a recombination event?
babymother [125]

Answer:

The correct options are: A " vestigial wings, red eyes" and D "full wings, purple eyes"

Explanation:

female parent: vg+pr+/vg pr

(phenotype - full winged and red eyes)

male parent:  vgpr/vgpr

(phenotype - vestigial winged and purple eyes)

Of these traits, vestigial wings and purple eyes are recessive traits. Hence, when a recombination event occurs, the offspring can potentially have a wild type trait paired with a recessive trait.

6 0
3 years ago
Invasive species often unbalance the ecosystems into which they are introduced because _______.
notsponge [240]
<span>a. they did not co-evolve with the natural species and lack natural controls, like predators</span>
6 0
3 years ago
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In an article about saving the whales written by a marine biologist, which word might be used by the author to make you want to
fgiga [73]

Answer:

Endangered

Explanation:

Endangered species are organisms that are at risk of extinction if deliberate efforts are not made to conserve them due to a rapid decrease in their population.

<em>Hence, if a marine biologist writes an article about saving whales and labels them as </em><em>endangered species</em><em>, all efforts should be geared towards saving the animals lest they go extinct and leave a vacuum in the functioning of the ecosystem.  Every species have the critical roles they play in the functioning of the ecosystem and the extinction of any particular species represents a loss that might not be replaceable. </em>

6 0
3 years ago
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One form of chromatin modification is acetylation, which is known to occur on positively charged histone tail amino acids, thus
Naya [18.7K]

Answer:

A. The tails do not interact with the DNA

Explanation:

The acetylation refers to the transfer of the acetyl group from Acetyl-CoA to the N-terminal of the histone protein.

Lysine residues (positively charged amino acid) are present at the end of the N-terminal of the histone protein which is neutralized by the acetyl group.

This loses the compaction between the positively charged histone and the negatively charged DNA and the DNA becomes more relaxed. This relaxed state allows the transcription factors to easily bind the DNA and therefore the DNA becomes transcriptionally active.

Thus, Option-A is correct

4 0
3 years ago
The diagram below shows four planets and their distances from the sun.
german

Answer:

B is the correct answer. I got it right.

5 0
3 years ago
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