Answer:
2. compounds: h2o, o2, c6 h12 o6, co2
Explanation:
2. compounds: h2o, o2, c6 h12 o6, co2
"The mutant will not be able to grow on lactose" is the one thing among the following choices given in the question that will be observed if mutation occurs in the gene for the lac repressor and results in a repressor thatdoes not bind lactose. The correct option among all the options that are given in the question is the first option.
Examples of chemical mutagens would be nicotine and other compounds in cigarette smoke that cause mutations involved in lung cancer.
Answer:
Multiple Sclerosis is an inflammatory disease in which myelin sheath of nerve cells of brain and spinal cord are damaged.
Explanation:
Cause:- (Exact cause of inflammation is not known)
- But damage is caused due to attack by autoimmune cells or antibodies against myelin sheath.
Types of tissues attack:-
- Oligodendrocytes and myelin sheath is damaged and stripped away from axon and the process is known as demyelination.
- Myelin sheaths are made up of fatty tissues and help in transmission of electric impulse.
Result of immune system attack:-
- Damaged myelin sheath stop forming whIte matter of central nervous system.
- Hence disrupt coordinating communication between different brain regions.
Signs and symptoms:- vary from person to person
- Diminished eyesight.
- Disrupt motor coordination.
- Weak sensory perception.
- Fatigue and dizziness.
- Speech disorder.
- Muscle weakness and spasticity.
- Difficulty in urination and stool.
Diagnosis and treatment:-
- Diagnosis include MRI T2 findings and cerebrospinal fluid specific oligoclonal bands.
#SPJ2
Answer:HOPE THIS HELPS :D
Explanation:
For coronavirus, it spreads when a person with coronavirus coughs, sneezes, get his or her saliva on another person, or when they get discharge from their nose on another person. I also know that if an infected person infects a non living object, the next person that touches it can get coronavirus by touching his or her body part. (Basically any where with holes including eyes, nose, mouth etc.) coronavirus can stay on surfaces for a long time. I don’t know how long though.
