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BlackZzzverrR [31]
3 years ago
8

How do scientists determine when an era ends and an era begins

Biology
1 answer:
rodikova [14]3 years ago
4 0
 Geologic Time Scale.Scientists decide when an era begins<span> and </span>ends<span>, due </span>to<span> mass extinction. ...</span>Scientists determine<span> when drastic changes </span>are<span> made by the fossil record, which shows earths past organisms that have become extinct.</span>
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Nucleic acidis include
irinina [24]

Answer: Deoxyribonucleic acid (DNA)

Ribonucleic acid (RNA

Explanation:

Nucleic acids are simply referred to as the macromolecules which aids in the storage of genetic information. It should also be noted that nucleic acids enable the production of protein.

Nucleic acids include the Deoxyribonucleic acid (DNA) and also the Ribonucleic acid (RNA).

6 0
3 years ago
The complex of dna and protein that makes up a eukaryotic chromosome is properly called __________.
victus00 [196]

The complex of DNA and protein that makes up a eukaryotic chromosome is properly called <u>chromatin .</u>

<u></u>

  • Chromatin is a complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells.

What is the chromatin and its function?

  • To create chromosomes, chromatin fibers are coiling and condensing.
  • Numerous cellular functions, including DNA replication, transcription, DNA repair, genetic recombination, and cell division, are made possible by chromatin.

What is chromatin in cell?

  • Chromosomes in eukaryotic cells are made of chromatin, a compound of DNA and proteins.
  • Nuclear DNA is extremely compressed and wrapped around nuclear proteins in order to fit inside the nucleus; it does not exist as free linear strands.

Where is chromatin found?

  • Chromatin is a genetic material or a macromolecule comprising DNA, RNA, and associated proteins, which constitute chromosomes in the nucleus of a eukaryotic cell.
  • This chromatin is located within the cell nucleus.

Learn more about chromatin

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2 years ago
How did fishes respond to the two challenges to their survival as predators
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They swam faster and learned to hide 
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4 years ago
Which term names the offspring of a cross between two true breeding parents?
erica [24]
<span>Which term names the offspring of a cross between two true breeding parents is First Generation...B</span>
6 0
3 years ago
Read 2 more answers
A diploid cell (2N) in G1 phase of the cell cycle has how many alleles of each gene?
Cerrena [4.2K]

Answer:

46 chromosomes

Explanation:

<em>I. G1 phase (Gap 1) - Cellular contents excluding the chromosomes, are duplicated. II. S phase (DNA Synthesis) - Each of the 46 chromosomes is duplicated by the cell.</em>

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3 years ago
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