A Convex Lens is the type of lens used in magnifying glasses.
"Exponential growth" means that the bigger it is, the faster it grows.
That's Choice 'D'.
Answer:
Please find the detailed explanation of this statement below
Explanation:
Firstly, a repressed gene is a gene whose expression has been inhibited or repressed. The lac operon in E.coli bacteria is a regulatory unit containing structural genes, a single promoter and operator regions. The promoter is the region where the transcription enzyme (RNA polymerase) binds to in order to transcribe the genes in the lac operon. The structural genes in the lac operon can only be expressed in the presence of lactose sugar.
However, in the absence of lactose, LAC REPRESSOR, which is a transcription factor (protein), prevents the binding of RNA polymerase to the PROMOTER region by binding to the OPERATOR region of the lac operon. This inhibits the expression of the lactose genes in the operon.
Note that, the structural genes in the lac operon (lacZ, lacY, lacA) code for proteins that help break down lactose sugar for energy in the E.coli bacteria. Therefore, a bacteria cell with a repressed lac operon will be unable to degrade lactose sugar.
<span>In
the bladder of human it is hollow muscular, and elastic organ, which sits on
the pelvic floor. The urinary bladder is an organ with a hollow muscular in people
and animals that stores and collect urine from the kidneys when it’s not time
for dispatching urination Urine pass through the bladder via the ureters and
exits via the urethra. The bloodstream is the bladder.</span>
Answer:
D ( distinct apical and basolateral ends of the cell)
Explanation:
