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grandymaker [24]
3 years ago
11

Why is the world so full of life?

Biology
1 answer:
Elan Coil [88]3 years ago
6 0
Because of the 7 billion people that live on this earth :)
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Fungi, insects, and earthworms

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They decompose wastes, returning nitrogen back to the ecosystem.

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What does high water potential mean?
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What would soap, at a pH of 12, be
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  I think it would be B because it may result in skin peeling.

Explanation:

8 0
2 years ago
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This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expressi
aleksandrvk [35]

The correct answer is sex linkage.  

Sex linkage refers to the phenotypic expression of an allele, which relies upon the gender of an individual and is directly associated with the sex chromosomes. These genes are regarded sex-linked as their expression and patterns of inheritance vary between the males and females. The sex linkage cannot be the same as genetic linkage, the sex-linked genes can be associated genetically.  


7 0
3 years ago
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In the lac operon, the repressor:a. binds to allolactose and becomes active, blocking lac gene expression.b. binds allolactose a
Vladimir79 [104]

Answer:

c. binds to allolactose and becomes inactive, allowing lac gene expression to occur.

Explanation:

Interaction between allolactose and repressor leads to allosteric repulsion which makes repressor inactive leading to the lac gene expression. This is the reason why allolactose is known as the inducer of lac operon becasue it causes gene expression in lac operon.

In the absence of allolactose, the repressor binds the operator and does not allow RNA polymerase to do transcription.

3 0
4 years ago
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