C. The trait is recessive as the carrier doesn’t show the symptoms and has to be heterozygous to pass the trait.
First question - cell well
second question - bacteria do not have a membrane enclosed nucleus. the and of bacterial cells is found loose in the cytoplasm.
Answer:
Answered below
Explanation:
Legionnaires disease is a type of lung inflammatory disease or pneumonia, which is caused by infection from the bacteria Legionella bacterium.
Legionella bacterium can be spread by inhalation from water or soil. People with weakened immune systems are most susceptible as are smokers. Untreated legionnaires disease can progress to a fatality.
Some of the questions to ask of a victim or of surviving relatives include;
1) Any visits to swimming pools?
2) Source of drinking water?
3)Any visits to fountains?
4) Contacts with victims and their personal belongings?
5)Is any relative or victim immunocompromised? Do they have diseases that might lower their immune response?
6) Are they smokers?
An astronomical unit (AU) is the approximate distance from the earth to the sun. The answer is D.
