Answer:
How exactly do The answers to these questions are DNA replication and protein ... Wilkins amp Franklin Used X Ray crystallography to take pictures of DNA. ... DNA 39 s unique structure enables the molecule to copy itself during cell division. ... Much like a spiral staircase it has two single strands that join and twist together.
Explanation:
<h2>d) option is correct </h2>
Explanation:
The stringent response occurs in response to low energy store
For example when there is low level of lactose it means energy level is low so there will be no transcription of genes and hence transportation and catabolism of lactose will be inhibited
When E coli is grown in mixture of both glucose and lactose, at high glucose concentration the growth rate is maximum and lactose catabolism is repressed, this called as catabolite repression and it is due to level of cAMP
Human population, geographical region, land cover, housing density, and precipitation
In aquatic plants, water passes among the tissues and provides the medium for gas exchange. In terrestrial plants, air enters the tissues, and the gases diffuse into the moisture bathing the internal cells.
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