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Amanda [17]
2 years ago
15

Define Arteries.

Biology
1 answer:
Liula [17]2 years ago
8 0

Answer:

{\boxed{\boxed{\tt { Arteries}}}} \

✏ Arteries are the vessels that carry blood away from the heart to various organs of the body.Since, the blood emerges from the heart under high pressure, the arteries have thick, elastic walls.

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Has all the matter and energy in the universe always existed or are completely new
Nookie1986 [14]

Answer:

no

Explanation:

matter can neither be created nor destroyed so all matter is reused

5 0
2 years ago
How many seconds ago on the "cosmic calendar" did the two halves of the world find each other?
alexdok [17]
The big ban occurred at the beginning  of the year the first second[437 . 5 years per second] of January , the solar system and life at September. 
8 0
3 years ago
Neurons have special proteins in their
Ilya [14]

Answer:

The ribosomes on the rough endoplasmic reticulum (RER) most likely produces neuronal special proteins.

Explanation:

Conduction of electrical impulses by action potentials of neurons takes place through controlled flow of charged ions through neuronal membranes. This ion transfer is controlled by specialized neuronal channel proteins which are present in the neuronal cell membrane.  

These channel proteins allow for hydrophillic passage of ions and water molecules across the neuronal membranes.  

Ribosomes that are attached to the RER are involved in protein synthesis. They carry the code for proteins carried by the mRNA and translate into respective protein.

The RER along with some free ribosomes cluster together as Nissl bodies and are mainly involved in neuronal specialized proteins.

4 0
3 years ago
Which of the chains of amino acids corresponds to the nucleotide sequence AAUGGCUAC?
masha68 [24]
The correct answer is d - asparagine - glycine - tyrosine. The genetic code found in DNA is responsible for defining amino acids. It is the triplet of bases in DNA and RNA that define and direct which amino acid is used in the synthesis of a particular protein. The genetic code is expressed in 64 different triplet combinations that code for different amino acids. Of these, three triplets or codons do not code for any amino acid and are thus called non sense codons. The remaining 61 codons are called sense codons.
6 0
3 years ago
True or False: A specific enzyme can be used to catalyze ANY chemical reaction.
77julia77 [94]

Answer:

true

Explanation:

A particular enzyme can function over a wide range of temperature and pH. Temperature can change the activity of an enzyme.

3 0
3 years ago
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