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Anna35 [415]
3 years ago
8

Please help me this is due tomorrow(worth 12 points)

Biology
2 answers:
Tom [10]3 years ago
5 0
7. Succession, 6. Extinction, 5. Niche, 3. Ecosystem, 2. Population, 1. Habitat, 4. Environment, 8. Community
sergejj [24]3 years ago
4 0
1. Habitat, 2. Population, 3. Ecosystem, 4. Environment,  5. Niche, 6. Extinction, 7. Succession, 8. Community.

(I did this prob like a week ago...? c:)
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Every HIV particle contains two RNA molecules. If two genes from one RNA moleculebecome detached and then, as a unit, get attach
natita [175]

Answer:

One of the RNA molecules has experienced gene duplication as the result of translocation.

Explanation:

Translocation and duplication are some of the structural abnormalities in the chromosomes that may even cause certain genetic disorders. Duplication is the presence of a genetic segment for more than one time in the chromosome. The repeated genetic segments are mostly present in the tandem pattern. When a chromosome fragment breaks off and attaches to a non-homologous chromosome, it is called translocation. It leads to the deletion of a genetic segment in one chromosome and duplication in the other.

According to the given information, a genetic segment bearing two genes is detached from one RNA and gets attached to the other RNA molecule of the HIV genome. Therefore, the RNA molecule has undergone translocation and has lost a genetic segment while the other has gained a genetic segment (duplication) due to translocation.

5 0
3 years ago
which of the following of mandels conclusions is a necessary foundation for Darwin's theory of natural selection
Kisachek [45]
Hey there!

Your answer is:

There are alternate versions of a gene.

Hope this helps!
Have a great day! (:
4 0
3 years ago
Read 2 more answers
Question 2 (1 point) Plants absorb nutrients from soil, and nutrients help plants grow. Which level of organization best describ
Leona [35]

Answer:

It would be an ecosystem. The ecosystem is a biotic community in which living organisms such as plants and animals interact with the non-living components of the environment such as sunlight, water, soil, rocks, etc.

Hope this helped

6 0
3 years ago
Please answer
leonid [27]
She would die because she would not have oxygen
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Does negative feedback stop or speed up the release of hormones?
DaniilM [7]

Explanation:

Hormone production and release are primarily controlled by negative feedback. In negative feedback systems, a stimulus causes the release of a substance whose effects then inhibit further release. In this way, the concentration of hormones in blood is maintained within a narrow range.

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