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BARSIC [14]
3 years ago
8

Truth or false

Biology
1 answer:
ipn [44]3 years ago
5 0

Answer:

16) true

17) true

18) true

19) false all mass extinctions marks the end of the Cretaceous Period.

20) true

21)not sure but here is some reasons students discovered that living things can die and decay. Soft parts are more likely to decay than hard parts. For this reason, the most common fossils are bones, teeth, shells, and the woody stems of plants. 

22) true

23) eukaryotes have nucleus and prokaryotes doesn't.

24) true

25)true they evolved from eohippus

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The natural process by which species die off is called what?
White raven [17]

Answer:

Extinction is the natural process by which species die off.

6 0
4 years ago
1. If the DNA is carrying a silent mutation, what will be the impact it will have on the organism?
antiseptic1488 [7]
The DNA carrying a silent mutation will have no gene expression or result on the phenotype or physical appearance of the organism. Silent mutations code for the same amino acid resulting in more genetic diversity, having a genotypic advantage, but providing no noticeable differences.
3 0
3 years ago
Carla was recently diagnosed with a brain tumour and has since completely lost
Eduardwww [97]

Answer:

hypothalamus

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How many ATP are generated in the electron transport chain?<br> оооо<br> 2<br> 4<br> 32<br> 36
Svetllana [295]

Answer:

32 ATP <em>molecules are generated in the </em><em>electron transport chain.</em>

<em><u>Explanation:</u></em>

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<em>'Electrons are the subatomic particles that orbit the nucleus of an atom'. They are always negative in charge and are always smaller than the 'nucleus of the atom'.</em> The electron transporters are arranged in series and they are embedded into their inner mitochondrial membrane and they are shuttles the electrons from '\mathrm{NADH}^{\prime} and '\mathrm{FADH}_{2}' to the molecular oxygen. In this process, the protons are pumped through the 'mitochondrial matrix' to 'the intermembrane space' and the oxygen level is lowered to form the water.

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3 years ago
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