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Dmitriy789 [7]
2 years ago
8

Does adenine and thymine have a double bond.

Biology
1 answer:
kodGreya [7K]2 years ago
5 0

Answer:

yep

Explanation:

they have a double hydrogen bond

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Doss [256]

Answer:

-10

Explanation:

add all temperatures together divide by 5 for your average

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3 years ago
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A biologist has been studying two populations of trout in Montana for the last 25 years, when the two populations were establish
ludmilkaskok [199]

Answer:

Positive natural selection.

Explanation:

The positive natural selection is a type of natural selection that increases the frequency of an allele or trait when it is advantageous for the population. What happened in the example is that the mouth with the slight change in  morphology (trait)  was more advantageous for the population in the south in relation to the  ancestral morphology  (still preserved in the population in the north), and therefore its frequency increased. This, in turn, is due to the fact that the food (prey) is not the same in the two habitats (north and south).  The specific prey in the south,  caused the new morphology to be selected, (increasing the frequency of individuals with the new mouth),  becasue probably that trait allows the trouts in the south to hunt more effectively.

8 0
3 years ago
Can you answer this?​
Viefleur [7K]
1 Down: Aorta
2 Down: Blood
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6 Across: Ventricles
6 Down: Valves
7 Across: Heart
8 Across: Veins

I hope this helps! Please give brainliest and thanks if you can
6 0
2 years ago
Which organelle is the power house of the cell the site of cellular respiration
rusak2 [61]
Mitochondria is the main power house

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The atomic number of an element is the same as the number of _________ in each atom.
muminat
Neutrons plus protons
4 0
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