Answer:
substances like organic molecules and inos can diffuse easily into the cells whereas wastes can diffuse easily out of cells.
Answer:
sigma subunit
Explanation:
Sigma subunit of RNA polymerase holoenzyme directs the enzyme towards the consensus sequences present upstream of the transcription start site. Completion of the initiation phase of transcription is followed by dissociation of sigma subunit from the transcription complex.
The protein NusA replaces the sigma subunit. The RNA polymerase leaves the promoter and starts the elongation
.
All cells in the body have the same DNA and the same genes. In organs & tissues the expression changes.
Answer:
A major factor that negatively affects biodiversity is
A) nonrenewable resources.
B) biological magnification.
<u>C) habitat fragmentation.
</u>
D) contour plowing.
Explanation:
