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muminat
3 years ago
8

True or false are sun is now the main sequence of its life cycle

Biology
1 answer:
irina [24]3 years ago
5 0

Answer:

Image result for True or false are sun is now the main sequence of its life cycle

The Main Sequence:

The Sun, like most stars in the Universe, is on the main sequence stage of its life, during which nuclear fusion reactions in its core fuse hydrogen into helium. ... For the Sun, this process began 4.57 billion years ago, and it has been generating energy this way every since.

Explanation:

- Eijiro <3

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Give one example of a bad mutation and one example of a good mutation.!
topjm [15]

Answer:

Bad mutation: deletion/addition mutation

Good mutation: silent mutation

Explanation:

Addition or deletion mutation results in the reading frame of codons to be changed, leading to a extensive missense mutation that will lead to a non-functional protein product to form.

Good mutation are silent mutations that leads to no change to the final product but causes codons to change in sequence. This increases genetic diversity in the gene pool that enables the species to be more resilient to environmental changes.

5 0
3 years ago
True or False<br><br>The female determines the sex of mammals.
galben [10]
The answer is truee.

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Epithelial cells in the skin work together to perform a specific function
Ilia_Sergeevich [38]

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they act as barrier between inside and outside of body and protect the body from various viruses

Explanation:

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Which of the three traits considered in this film (bipedality, extensive tool use, and large brains) were present in the 3.2-mil
belka [17]

Answer:

The bipedality

Explanation:

<u>One of the things the discovered fossil signified was that human bipedality was more ancient than the large brain size</u> because Lucy actually had a small skull which could indirectly be translated to small brain size.

NOTE: Bipedality can be described to mean the ability of an organism to move about with two legs. Hence, it must have been discovered that Lucy had two legs.

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