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Alex
3 years ago
13

Help! I will give brainliest .

Biology
2 answers:
Elena-2011 [213]3 years ago
8 0
Organ Brain is in the nervous system

Organ Heart is in the circulatory system

Organ lungs is in the respiratory system

The heart is the organ that supplies blood with oxygen.

This is all I know :)

Mumz [18]3 years ago
7 0
This is a very easy thing lll
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In prokaryotes, how does the length of a typical monocistronic mRNA compare to the length of the protein generated from this mRN
Nastasia [14]

1. The correct answer is: a. There are more mRNA bases than amino acids.

The transcription of monocistronic mRNA in prokaryotes is a rare process (it is more characteristic for the eukaryotes). Monocistronic mRNA is RNA, which encodes for only one or specific protein. Three bases of mRNA encode one amino acid of protein, thus it has more bases than amino acids of the final product, protein.  

2. The correct statements are:  

The mRNA contains 5' and 3' untranslated regions.

The stop codon does not code for an amino acid.

The start site of transcription is upstream of the start codon.

Each codon contains 3 RNA bases.

All of these approve that more bases are in mRNA since not all of them are translated into amin oacids.

Other statements are hallmarks of eukaryotic RNA processing, and therefore not relevant to prokaryotes.

5 0
3 years ago
Which organelles make up animal cells? pls i have an assignment in 1 hr
Sati [7]

Answer:

Organelles in animal cells include the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, vesicles, and vacuoles

Explanation:

4 0
3 years ago
. Metamorphic rocks that consist of only one mineral that forms large interlocking crystals often have a _____ texture.
Leokris [45]
They have a nonfoliated texture because they do not have a layered or banded appearance.
4 0
4 years ago
A teacher has two cubes of sugar that are both the same size and shape. He adds cube A to a beaker filled with 100 mL of water,
bazaltina [42]

Answer:

Burning sugar results in a chemical reaction

Explanation:

Flammability, odor, and density are just a few examples of characteristic properties of a substance. A chemical reaction occurs when molecules interact with one another and the molecules change. For example burning sugar results in a chemical reaction because the properties of cube B changed when it was burned. This change in solubility shows that cube B must be a different substance than cube A because of the chemical reaction that occurred when cube B was burned.

3 0
3 years ago
Salivary glands release a liquid called saliva, which helps to break food down.
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Answer:

2. chemical

Explanation:

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