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sweet [91]
3 years ago
15

Why doesn’t every meteor become a meteorite?

Biology
1 answer:
erma4kov [3.2K]3 years ago
3 0
A meteor becomes a meteorite when it enters Earth’s atmosphere
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During protein synthesis, the peptide bond between amino acids is formed by the process of _____.
taurus [48]
<span>During protein synthesis, the peptide bond between amino acids is formed by the process of condensation. Condensation is a reaction when two smaller molecules (in this case amino acids) make a larger molecule(protein) and water as a side product.</span>
8 0
3 years ago
Which of the following organic molecules may have up to four levels of structure? A. Proteins B. Lipids C. Nucleic Acids D. Carb
masha68 [24]
The correct answer is proteins.

Proteins have four structures; (1) primary, (2) secondary, (3) tertiary, and (4) quaternary. Primary structures of proteins are formation of peptides and the peptide bonds between amino acids. Secondary structures of proteins involves the amino acid composition leading to hydrophobic interactions forming either alpha helices or beta sheets. Interactions between secondary structures of proteins will make the tertiary structure which is either soluble (globular) or insoluble (fibrous) proteins. Quaternary structures are the combination of two or more tertiary structures and these are called subunits.
4 0
3 years ago
1. Why is it difficult to evaluate thresholds for toxic pollutants? a. Synergistic effects are difficult to account for. b. Ther
qaws [65]
The options are all related, and the answer is D) All of the Above. 

The synergistic effects of exposure to multiple toxins are more difficult to quantify and study. As a result, there is not sufficient research on how much a system can take when exposed to multiple pollutants. This lack of research also means that we often do not even know what the effect of these interactions between multiple toxins are.

As a result of these gaps in our knowledge of the interactions between toxins, it is difficult to evaluate the threshold for pollutants, since a system will rarely feature only one pollutant in isolation. 
7 0
4 years ago
Cameron is watching a TikTok video on his cell phone not all of the chemical energy from the batteries converted to the Sound he
katrin2010 [14]

Answer:The rest of the energy were converted to heat energy

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The chemical energy from the cell phone battery converted to both the sound energy and heat energy. No energy wasted, Energy always convert from one form to another form, it can never reduces or increases.

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3 years ago
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B) This is false, because enzymes do the complete opposite.
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