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tester [92]
3 years ago
15

40 POINTS!!! NEED GOOD ANSWERS!!!

Biology
1 answer:
enyata [817]3 years ago
6 0

Answer:

The answer is A

Explanation:

i took the test

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An rna molecule is synthesized in which direction?.
tester [92]

Answer:

5'  -->  3'

Explanation:

New nucleotides are added to the hydroxide group on the ribose sugar side.  That is the 3' side.

7 0
2 years ago
What is speciation?​
lorasvet [3.4K]

Answer:

speciation is when one species splits off into multiple species.

In-depth answer:

Speciation can happen in 4 different ways, the first being Allopatric Speciation, where 2 groups of the same species are physically separated for extended periods of time, and when they're re-introduced, they don't breed.

Sympatric Speciation is when 2 groups of the same species aren't seperated, but form different behaviors that isolate them reproductively (the groups wont inter-breed)

Parapatric Speciation is when 2 groups of the same species are suddenly placed into a new environmental niche, and adapt in different ways to fill that niche.

Quantum Speciation is much less recognized, but it's when a new species rapidly evolves and 'buds off' from the original group

7 0
3 years ago
Some bacteria are facultative anaerobes, which usually produce ATP by aerobic respiration but are also capable of switching to f
OverLord2011 [107]
<h2>Some bacteria are facultative anaerobes, which usually produce ATP by aerobic respiration but are also capable of switching to fermentation when there is a lack of _____OXYGEN____ in their environment. </h2>
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3 years ago
Which statement best describes the relationship between genes and disease?
algol [13]

Answer:

E.

Explanation:

Genes are segments on DNA that code for specific proteins and come in various forms called alleles.

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Over time, the Earth's orbit becomes more or less elongated. This change in orbit, which is linked to past cooling trends, is ca
Yuri [45]
Milankovitch cycle, its named for the man who theorized it
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