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kow [346]
3 years ago
11

How does solid rock become soil?

Biology
2 answers:
Sauron [17]3 years ago
7 0

Answer:

A solid rock becomes soil when it breaks down and combines with water, air, and organic matter. The correct answer would be #3

Explanation:

sweet-ann [11.9K]3 years ago
4 0
When a rock breaks down it ends up in the soil so then water and air end up with it. So answer is 3
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Genomic mammalian DNA cannot be expressed directly using bacterial expression vectors because mammalian genomic DNA contains int
Sedbober [7]

Answer:

  1. DNA to be cloned
  2. mature mammalian mRNA is isolated
  3. reverse transcriptase, provided with a primer, synthesizes a strand of cDNA without introns
  4. the mRNA is hydrolyzed by raising the pH
  5. a primer site is created on the ssDNA
  6. a complementary DNA strand is synthesized, forming a ds cDNA molecule.
  7. dsDNA

Explanation:

cDNA is the acronym for complementary DNA. This DNA is a single or double stranded moolecule that is synthesized from a messenger RNA molecule. This molecule is used in studies that aim to clone eukaryotic genes in prokaryotic individuals. The result of this is the expression of a protein from a eukaryotic individual in prokaryotic individuals.

To form a double-stranded cDNA molecule, the following steps would be required:

  1. DNA to be cloned
  2. mature mammalian mRNA is isolated
  3. reverse transcriptase, provided with a primer, synthesizes a strand of cDNA without introns
  4. the mRNA is hydrolyzed by raising the pH
  5. a primer site is created on the ssDNA
  6. a complementary DNA strand is synthesized, forming a ds cDNA molecule.
  7. dsDNA
6 0
3 years ago
Leon made a study chart about human-induced changes to the environment.
snow_lady [41]

Answer:

4 answer

Explanation:

because my little cousin said so

8 0
3 years ago
Who studies tissues, fluids, and cells of the body to help determine the presence and/or cause of disease?
musickatia [10]
A medical laboratory technologist is the person who studies tissues, fluids and cells of the body to determine the presence and cause of a disease
3 0
3 years ago
The allele for curly hair is incompletely dominant. If a mother is homozygous for curly hair and the father is homozygous for st
jekas [21]
The answer is 100percent
4 0
4 years ago
Read 2 more answers
How many different kinds of proteins does one cell have?
Eva8 [605]

Answer:

90-140 million proteins

Explanation:

that's the answer

5 0
4 years ago
Read 2 more answers
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