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Nitella [24]
3 years ago
6

Sorts and packages materials for the cell {What membrane it is?}

Biology
1 answer:
Nataly [62]3 years ago
8 0
Golgi Body Modifies and packages proteins 
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What describes a carrier protein in cell surface membrane?
Margarita [4]

Explanation:

Carrier proteins are proteins that carry substances from one side of a biological membrane to the other.

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2 years ago
Which of the following investigators was (were) responsible for the following discovery? In DNA from any species, the amount of
Zarrin [17]

Answer :Erwin Chargaff   a Biochemist

Explanation:

He formulated the base paring of double helix of DNA. He reasoned that since the percentage of four  DNA  bases are of this proportions in human;

                                  Adenine=30.9% and Thymine =29.4%;

                                  Guanine=19.9% and Cytosine =19.8%

Then,  the amount of adenine will always be equal to thymine,

And the amount of Guanine equals to cytosine based on this percentages of distribution.  

(Adenine and Guanine are large, molecule of Purines, while thymine and Cytosine are Pyrimidine)  

 

He concluded (although scientist believed, he did not explicitly stated this) that this should be the base paring patterns in DNA molecule. This is the first Chargaff Rule.

His second rule is that the DNA composition, in the relative amount of the four bases Adenine, Thymine, Cytosine and Guanine varies in proportion from one organisms to another. And this is the basis of molecular diversity.

6 0
3 years ago
Compare and Contrast a nucleotide with a monosaccharide.
Artist 52 [7]

Answer: nucleotides and monosaccharides are both monomers of macromolecules (nucleic acids and carbohydrates)

Explanation:

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Identify What body systems eliminates urine as a waste product from the human body
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The excretory system
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What does solubility mean?
wolverine [178]
For example salt in water ,salt would dissolve ,you won't be able to see it but if you taste it it would still be there

dissolve /disappear but still be there
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