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Anna007 [38]
3 years ago
14

How many minerals have been identified by geologists​

Biology
2 answers:
igor_vitrenko [27]3 years ago
8 0

Answer:

over 4,000

Explanation:

oksian1 [2.3K]3 years ago
7 0

Answer: Even geologists can have a difficult time identifying minerals. There are over 4,000 known minerals, and approximately 80-100 new ones are discovered each year. Of all these, only a few hundred are considered common. To help with identification, geologists must look closely at the physical properties of a mineral.

Explanation:

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Explanation:

6 0
4 years ago
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Describe how a sedimentary rock, such as sandstone, forms.(Need help ASAP!!)
Leviafan [203]

Answer:

They form when sediment accumulates.

Explanation:

Sediment is deposited out of air, wind, gravity; sediment is formed when weathering and erosion break down a rock into loose source material in a source area.

6 0
3 years ago
How does the structure of DNA determine the structure of proteins?
Gekata [30.6K]

Answer: Sequence of Amino acids

Explanation: The shape of a protein is determined by its primary structure (sequence of amino acids). The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene (DNA) encoding it.

5 0
4 years ago
How do you change dna to rna to amino acids
yanalaym [24]
This can be done through the Transcription and Translation process.

Long story short: DNA -> messenger RNA (mRNA) -> amino acids -> polypeptide chain -> protein

Step 1: Transcription
1) DNA loop is open
2) RNA polymerase (enzyme in nucleus) catalyze reaction of “unzipping” DNA
3) free RNA nucleotides in nucleus will be added to that strand of DNA
4) messenger RNA moves across nuclear membrane to cytoplasm (our nucleus)

Step 2: Translation
1) messenger RNA attaches to ribosome
2) mRNA determines which amino acid to place on protein
3) uses codons (triplet) on mRNA. Codon on mRNA and anticodon on tRNA have to match, which places true amino acid in ribosome, then it detached and finds another amino acid in cytoplasm.
4) “AUG” starts translation, and keeps going until reaching “stop codon”.
5) completed polypeptide chain results to protein being synthesized

Your teacher should explain this process more in depth hopefully
6 0
4 years ago
Water plays an important role in sculpting the landscape of continents because
jek_recluse [69]
Because it helps give shapes and formation a little and thats why they say water is important to human beings
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