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kap26 [50]
3 years ago
11

Living organisms must constantly take in energy in order to power functions necessary to remain alive. the chemical reaction tha

t involve energy conversion are called?
Biology
1 answer:
Alexxx [7]3 years ago
7 0
Respiration ~~~~~~~~
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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
3 years ago
During what stage do the chromosomes Pull apart?​
arsen [322]

After the pairs of chromosomes are aligned, anaphase I begins. During this stage, the microtubules, or spindle fibers, pull the homologous chromosomes apart and move them to opposite ends of the cell.

Its called Anaphase when Chromosomes pull apart

8 0
3 years ago
Based on what you know about the six types of infectious agents, what type of agent do you think was plaguing Anna explain your
AleksAgata [21]
Infectious agents are those that corrupt and prey on an organism or a host. This is sometimes called parasitism when a foreign organism consumes a host by preying on its nutrients and food. Hence, we are uncertain in Anna's case because there is no clear description of her symptoms. 
3 0
3 years ago
Which process above shows facilitated diffusion?
lutik1710 [3]
The answer is process B
7 0
2 years ago
Which statement is most accurate about alternation of generations?
atroni [7]

Answer:

It involves alternating haploid and diploid phases. alternation of generations is the term that is used to the life cycle that happens in plants and algae.

Explanation:

8 0
3 years ago
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