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agasfer [191]
3 years ago
9

Who is responsible for bring the Aztec Empire to an end?

Biology
1 answer:
Komok [63]3 years ago
3 0

Answer:

Hernan Cortes

Explanation:

hope this helps

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Which of the following is not a protein made by the lac operon?
fiasKO [112]

Answer:

Lactase

Explanation:

Lac operon (lactose) is degraded to glucose and galactose by three enzymes :beta galactosidase, galactoside permease and thiogalactosidase transacetylase.

7 0
4 years ago
So i need help with a question its a scientific can become a theory ​
Lubov Fominskaja [6]
Is it a question or ... no ?
3 0
3 years ago
discuss the indications for the placement of provisional coverage for a crown or a fixed bridge preparation?
Savatey [412]

Answer:

Explanation:

Based on the information provided within the question it can be said that there are various reasons for the placement of this, most of the reasons include,

  • To prevent or reduce sensitivity and discomfort of the prepared tooth & surrounding structures  
  • To protect the margins of the preparation
  • To maintain the function & esthetics of the tooth
  • To prevent shifting of adjacent or opposing teeth
6 0
3 years ago
Gene expression in eukaryotes can be regulated at many different levels. List the different levels of regulation, and explain wh
Aneli [31]

Answer:

Transcription, mRNA (processing, transport, localization and stability), translation.

Explanation:

  • Transcription is regulated in two levels, though chromatin regulation (methylation and acetylation) to loose or increase histone's affinity to DNA and through cis and trans elements such as promoters, enhancers, and silencers (cis) to active/deactivate and RNA polymerase and transcription factors and co-factors (trans).
  • mRNA can be regulated using poly-A tails or 5'-caps to shorten or give them more time before they degrade, it could also be spliced to eliminate introns.
  • In the translation stage, the regulation occurs during the initiation through a scanning procedure that ensures the 40s ribosomal subunit bind correctly to the untranslated portion of RNA

Hope this information is useful to you!

4 0
4 years ago
Two parents are wanting to have a baby. Dad's blood type is IAi and mom's blood type is IBi. What are the possibilities of their
mote1985 [20]

Answer:

AA

Explanation:

Just like the ABO alleles, each biological parent donates one of their two alleles to their child. A mother who is Rh- can only pass an Rh- allele to her son or daughter. A father who is Rh+ could pass either an Rh+ or Rh- allele to his son or daughter. This couple could have Rh+ children (Rh- from mother and Rh+ from father) or Rh- children (Rh- from mother and Rh- from father).

6 0
2 years ago
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