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Anit [1.1K]
3 years ago
13

What are the four letters of the rna alphabet

Biology
1 answer:
Shalnov [3]3 years ago
4 0
<span>A, U, C and G are the four letters of rna</span>
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Which statements describe transform boundaries? A) Rift valleys are formed. B) Mountains are created. C) Faults form in the lith
torisob [31]

Answer:

C) Faults form in the lithosphere.

Explanation:

Faults form in lithosphere is part of transform boundaries because the plates simply slide past each other without causing any change to the lithosphere (i.e it is neither created nor destroyed) which is why transform boundaries are also sometimes referenced when we speak about phenomena related to when plates slide in opposite directions.

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3 years ago
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What is the difference between physical properties and chemical properties of matter?
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The answer is d. :) you got this!
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3 years ago
which term describes this example? a rabbit's cells have two sex chromosomes that are different. A.homozygous dominant B.homozyg
solniwko [45]

Both answers C and D are correct, however, answer D makes more sense.

7 0
3 years ago
Which types of mutations in the lac operon stop Escherichia coli from utilizing lactose as a carbon source? a) promoter deletion
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Answer:

D.) repressor DNA-binding site mutation

Explanation:

lacl prevents the repressor polypeptide is a mutant that prevent operon from binding lactose, and thus will bind to the operator and be non-inducible.. This mutant will represses the lac operon whether lactose is present or not and the lac operon will not be expressed. It is also called“super-supperesor".

The lacI locus – One type of mutant allele of lacI (callled I-) prevents the production of a repressor polypeptide or produces a polypeptide that will not allow to bind to the operator sequence.

This is also a constitutive expresser of the lac operon because absence of repressor binding permits transcription.

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3 years ago
True or false: alleles for the same trait are at different locations on homologous chromosomes​
sergejj [24]

Answer:

<h3>TRUE</h3>

Explanation:

I HOPE ITS HELP YOU;)

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