Answer:
D) presence of transcription activators or repressors
Explanation:
The reason why this is not post-transcriptional regulation is that activators actually start the process of transcription by binding to specific sites. while on contrary when repressor binds it halt the process.
For example, there is a protein called CAP which in the presence of cAMP bind with promoter region and enhances the activity of RNA polymerase . While in the absence of cAMP it can not bind to promoter hence the transcription stooped.
Answer:
In a business, an ethical code is a defined set of principles which guide an organization in its activities and decisions and the firm's philosophy may affect its productivity, reputation, and bottom line. ... An ethically positive, healthy work culture enhances morale among employees.
Answer:
Xylem carries water and minerals from the roots to the leaves. Whereas, phloem carries the food prepared by the leaves to different parts of the plant.
Explanation:
Answer: When studying a rock sample, geologists observe the rock's mineral composition, color, and texture.
Explanation:
Answer:
23 pairs, 46 chromosomes in total.
Explanation: