Answer:
The correct answer is The drug binds to the 30S small ribosomal subunit eukaryotes have 40S small sub unit.
Explanation:
Tetracycline belongs to broad spectrum antibiotic.Tetracycline is named so because it contain a derivative of four hydrocarbon rings.
Tetracycline act by inhibiting the protein synthesis process in prokatotes by binding to the small ribosomal subunit also called 30S subsunit and blocks the binding of amino acyl tRNA to the A site or attachment site of ribosome.
As eukaryotes contain 40S ribosomal subunit,it becomes difficult for tetracycline to bind with 40S ribosomal subunit of eukaryotes.
Answer:
The correct answer is - natural selection process does not move simply to an optimized endpoint.
Explanation:
Natural selection is a process of evolution that helps in evolving populations that are adapted to successfully reproduce and survive according to the environment.
Natural selection does not march simply to an optimized endpoint. Natural selection works upon individual organisms that have advantageous characteristics in specific environments. If the environment changes the advantages can become disadvantageous.
Thus, the correct answer is - natural selection process does not move simply to an optimized endpoint.
Answer:
Explanation:
The presence of a mutant lac repressor that could not bind lactose would result in __promotor_____ transcription even when lactose was present because the mutant repressor would remain bound to the lac __operator________.a.lots of; promoterb.no; promoterc.no; operatord.lots of; operator
The binding of a repressor blocks the action of RNA polymerase.
Answer:
A. True
Explanation:
The result indicates that taking calcium has no effect on the development of osteomalacia in the women. This is because, of the over 120 women placed on the calcium supplements, it happens to be minimal number of people ( less than 20 people) that develop the osteomalacia disease of the bone.
Answer: a eukaryotic cell that can make its own food
Explanation:
