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Ratling [72]
2 years ago
6

URGENT! PLEASE HELP!

Biology
1 answer:
Vilka [71]2 years ago
5 0

Answer:

A , B , C are correct !!!

Explanation:

Yeah that's it !

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never [62]

Explanation:

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2 years ago
How is mass defect determined?
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<span>Mass defect is the difference between predicted and actual experimentally determined mass. The predicted mass of a sample is found by adding the mass of the neutrons and protons (to be accurate, electrons as well) within that sample, and we know what the individual masses of these particles are so multiplication isn't a problem. This mass is usually higher than what is measured experimentally because some of this mass turns to binding energy with the relationship e is roughly equal to m(c)^2.

If you are asking how we possibly add the masses of all those atoms of the Helium and Hydrogen we experiment with, we do it using the formula (number of atoms * number of protons per atom) + (number of atoms * number of neutrons per atom) + (number of atoms * number of electrons per atom). The number of atoms is found using the total mass of the sample alongside some experimental data.</span><span>
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7 0
3 years ago
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What is a fossil? Give the best definition.
aivan3 [116]
D is the correct answer
5 0
3 years ago
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"the tertiary structure of the human enzyme called lysozyme is stabilized by ionic bonds between the r-groups (side chains) of a
USPshnik [31]

The tertiary structure of the proteins  is a three-dimensional structure. The polypeptides are arranged in a three-dimensional structure, which primarily arises because of the interaction between the side chains (R group) of the amino acids making up the protein.

The aspartic acid is a charged protein which is capable of forming the salt bridges. It can form ionic bonds with the R group of the other proteins. Hence, it can form ionic bond with the side chain of  the amino acid lysine.

Hence, the answer is aspartic acid.

7 0
3 years ago
Both primary and secondary succession begin with pioneer species that
Elina [12.6K]

Answer:

  • The different zones or region on the planet may some times suffer great distress in creating the best ecologically suitable environment for all the living being, as there are various factors that come in to play such as the soil moisture, presence of humidity and moisture inside the air, and many other factors.Both primary and secondary succession begin with pioneer species that  enriches the soil and make it able for the living beings to develop itself in it and provide a suitable environment for life to flourish more frequently.    

Explanation:

  1. But, the two steps of successions involves the primary and secondary stage in a given form or procedure. As, the primary succession occurs inside the region which is left abundant due to some reason and there is less for the living being to gain from, so the land then faces the primary succession and many micro organism play a vital role in making the whole situation much better for the living beings.And the lithosphere is highly influenced by the actions of different associations that are formed for the growth of the land mass as a whole.
  2. Now, the secondary succession involves the covering of that specified piece of land by the presence of the specific number of species which would provide more diversity to the land mass and create a better ecological system for the living beings to live inside it.  
8 0
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