The correct option is A.
The use of antibacterial drugs can cause modifications in the genetic material of the concerned bacteria. If the genetic material of the bacteria are modify, that means they have undergone mutation. Because the base sequence of the normal and that of the mutated gene is different, antibiotic will not be able to recognize the bacteria again and thus will not be able to attack it.
The chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome is called Translocation.
Answer:
I think it is D, could you tell me I am wrong
Answer:
500 J
Explanation:
Emechanical=U+K,i.e., the mechanical energy Emechanical is the sum of the potential energy U and kinetic energy K.
So, the object has a mechanical energy of 200+300=500 J.
Answer:
Cell membrane
Explanation:
According to the question, Lauren's diseased condition, which is cystic fibrosis, is characterized by her body's inability to control the flow of salt into and out of her cells leading to symptoms include coughing and wheezing when she tries to exercise.
Lauren's inability to control the movement of salt and water into her cells is as a result of an affected CELL MEMBRANE. The cell membrane is the organelle that controls what goes in and out of a cell due to its semi-permeability.