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jeka94
3 years ago
11

How are the words DNA, nucleic acids, and double helix related?

Biology
1 answer:
abruzzese [7]3 years ago
3 0

Answer:

DNA is the chemical name for the molecule that carries genetic instructions in all living things. The DNA molecule consists of two strands that wind around one another to form a shape known as a double helix.

Explanation:

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Forensic scientists can match missing persons and their families by matching maternal DNA to the missing individual.
iris [78.8K]

Answer:

The mitochondrial DNA (mtDNA) is passed down from the mother to the children almost unchanged. The analysis of mtDNA has provided the forensic scientist with essential tools for determining the source of DNA that they have recovered even from small biological samples. Thus, the answer to the question above is letter B.

Explanation:

4 0
2 years ago
Identify the three domains and the different groups or kingdoms within each domain (marine science)
andre [41]

Answer:

The three domains are the Archaea, the Bacteria, and the Eukarya.

Explanation:

Prokaryotic organisms belong either to the domain Archaea or the domain Bacteria; organisms with eukaryotic cells belong to the domain Eukarya.

8 0
2 years ago
Read 2 more answers
__________ are water-soluble, complex glycoproteins that are secreted by goblet cells. Hormones Amino acids Salts Enzymes Mucins
OleMash [197]

Answer:

Globlet cells  are found in  the epithelial cells on  the  walls of  trachea, bronchi, and villi and Fallopian tube.  They are unicellular  exocrine glands(  ductless glands,do not secret hormones  directly into the blood streams) which are columnar in shape, that is they are shaped like columns.

They function in secretions of Mucus containing MUCIN. The mucus lubricates the surrounding mucus membrane  medium they are located. Mucin is the main  major components of the mucus, and it is  is jelly-like in nature.( Thus jelly-like nature of mucus is  due to MUCIN contents. ) Glyco-protein(glycogen +protein; glycogen attachments to polypeptide chains), is its  chemical components.The glyco-protein is produced by Carbohydrates.

Apart from the lubricating role, the mucus through the mucin it contains  traps any foreign substances that is found in the passage they are deposited, and sweep them.Their jelly-like nature facilitated the trapping.For example in the bronchioles , trachea, and the female genitalia tracts,  they traps bacteria and fungi with the  mucus and clear with cillia.

Explanation:

7 0
3 years ago
The mitochondrion is the place in the cell where
zvonat [6]

Answer:

B is the answer, because it is considered the "power house" of the cell, and energy stored in the mitochondrion is synthesized.

Hope I helped!

~Mschmindy

8 0
3 years ago
What geological process help produce natural gas?
shutvik [7]
Are found in association with oil reservoirs with the gas either mixed with oil
6 0
3 years ago
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