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djverab [1.8K]
3 years ago
7

Hurry whoever answers first will get the brainliest

Biology
2 answers:
klasskru [66]3 years ago
5 0
D. He has an aerator that pumps bubbles into the tank
drek231 [11]3 years ago
4 0
The correct answer would be D) He has an aerator that pumps bubbles into the tank. Its not A) because that doesn't mean fish needs air, not B) because that's needed for the fish to LIVE, not breath air, not C) because that's for helping the fish stay alive in the water.
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If lactose is a disaccharide, what macromolecule must it be an example of?.
Vinvika [58]

Answer:

ok I have it in the group and the correct answer akka is the same as I have to you for me quest to be the first and I have

Explanation:

in FM JB

6 0
3 years ago
Many genetic technologies involve the transferring of genes from one organism to another. For example, a gene in human DNA codes
valentinak56 [21]

Answer:

The universality of genetic code.

Explanation:

The DNA is a molecule made up from 4 different nucleotides (A, T, C or G). The sequence in which these nucleotides are ordered constitute a code that gives a cell instructions to produce a specific protein. This is called the genetic code.

Every three nucleotides code for a specific amino acid. For example, ACG codes for Arginine, CUC codes for Proline, and so on.

The genetic code is universal. This means that in all living organisms, a particular sequence of three nucleotides will code for the same amino acid. This property guarantees that the human gene that codes for human insulin will also code for human insulin in bacteria.

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3 years ago
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Under normal circumstances, a zygote has ____ pairs of chromosomes
insens350 [35]
46 for humans.
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3 years ago
Formulate a statement that explains the relationship between chemical elements and mineral properties..
Svetach [21]
Molecular structures of an object directly affect its physical properties (especially intensive features) such as color, density, melting and boiling points, malleability etcetera.
An example is a type of bond between the atoms and molecules in an object that influence its physical properties. Covalent bonds, for instance, render the strength of an object but deny it electric conductivity.
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4 years ago
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Which type of mutation results in a frameshift mutation? Check all that apply. substitution
Marina86 [1]
Insertion and deletion result in a frameshift mutation. Frameshift mutations caused by "indel" mutations, meaning insertion or deletion mutations. These mutations shift the way the DNA is read. A frameshift mutation can throw off all of the nucleotide that follow in a DNA sequence, making them particularly likely to lead to significant consequences. 
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