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Anettt [7]
3 years ago
12

Is the general term for a grouping of organisms

Biology
1 answer:
olga nikolaevna [1]3 years ago
8 0

Answer:

Classification of Living things

Explanation:

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DNA within the cell is wrapped around nucleosomes to form chromatin. When chromatin is in the form of a 30 nm fibril, how many c
vodomira [7]

Answer:

The correct answer is option b. "20 H1, 40 H2A".

Explanation:

Chromatin is a complex that protects and condenses the genetic material comprised of DNA and proteins. When chromatin is in the form of a 30 nm fibril, nucleosomes have a regular positioning along the DNA. This means that each nucleosome is associated with a single H1 molecule. Therefore a chromatin containing 20 nucleosomes will have 20 copies of H1 and 40 copies of H2A, because each nucleosome has 2 copies of the core histone H2A.

8 0
3 years ago
Pls help ASAP I really need help
podryga [215]

It's B

And WHY YOU GOT A SAMSUNG COMPUTER BOIII NEED THAT MAC

6 0
3 years ago
Which of the following statements about the organization of the purine synthetic enzymes are true? The process involves multifun
Svet_ta [14]

Answer: All of the statements are true.

Explanation:

Purines are biologically synthesized as nucleotides and in particular as ribotides, that is, bases attached to ribose 5-phosphate. Adenine and guanine are both derived from the nucleotide inosine monophosphate (IMP), which is the first compound in the pathway to have a completely formed purine ring system.

Purine nucleotides can be synthesized in two distinct pathways. First, purines are synthesized de novo, starting with simple starting materials such as amino acids and bicarbonate. the purine bases are assembled already attached to the ribose ring. Alternatively, purine bases, released by the hydrolytic degradation of nucleic acids and nucleotides, can be salvaged and recycled. Purine salvage pathways are mostly noted for the energy that they save and the remarkable effects of their absence.

All statements are correct because the organization of purine synthetic enzymes involves multifunctional enzymes, reversible enzyme formations, through out the sequence there is maintenance of high local concentration and the ten steps requires only six enzymes.

5 0
3 years ago
How could sand dunes be held in place to prevent them from drifting onto a parking lot???
IceJOKER [234]
You could cover the sand dunes with tarps that are attached into the ground with stakes, or routinely spray them with lots of water to make the sand heavier and less likely to be picked up by wind.
6 0
3 years ago
Three complementary base units known as a(n)<br> ensure that the correct amino acid is delivered.
lozanna [386]

Answer:

Codon

Explanation:

4 0
3 years ago
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