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katrin2010 [14]
3 years ago
8

What is the 4 classes of macromolecules

Biology
1 answer:
inysia [295]3 years ago
3 0
Carbohydrates, lipids, nucleic acids, and proteins
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What is important in Hubble's discovery about the red shift in the spectra of galaxies? a. It proves the Big Bang theory. b. It
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c

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Hubble's brilliant observation was that the red shift of galaxies was directly proportional to the distance of the galaxy from earth. That meant that things farther away from Earth were moving away faster. In other words, the universe must be expanding.

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Imagine that a eukaryotic cell carries a mutation that causes the poly(a) tail to rarely be added to the primary transcripts. wh
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Imagine that a eukaryotic cell carries a mutation that causes the poly(a) tail to rarely be added to the primary transcripts. The result of such a mutation will be the primary transcript would likely be less stable, and its transport from the nucleus to the cytoplasm would be affected.

A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.

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4 0
2 years ago
An isotope has an atomic number of 8 and an atomic mass number of 18. How many neutrons does it have?
Paul [167]
The atomic number of an isotope is the number of protons it contains, whereas the mass number is the total mass of the nucleus, which is the combined number of protons and neutrons in the nucleus. To find the number of neutrons, you must therefore subtract the atomic number of the isotope from the mass number of the isotope. 
<span>In the above example, the atomic number is 8 and the mass number is 18. This isotope is known as O18. The number of neutrons in the isotope is: Mass number - Atomic number = Number of neutrons




</span>
4 0
3 years ago
Read 2 more answers
Please Help
Viktor [21]

Answer: Duffusion B. Hope this Helps bro

Explanation:

6 0
2 years ago
Embryonic muscles cells are called? ​
Alexxandr [17]

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sorry i dont know the answer

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2 years ago
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