As a result, the membrane permeability to sodium declines to resting levels.
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Answer:
Explanation:
The correct match is given below:
1. Communicable by direct acquisition via vertical transmission. C. <em>Treponema palladium</em> (syphilis).
2. Communicable by indirect transmission via air droplets. B. Tuberculosis
3. Communicable by direct transmission via a biological vector. F. Malaria
4. Non-communicable. A. <em>Clostridium tetani </em>(tetanus).
5. Communicable by indirect transmission via fomites. D. <em>Staphylococcus aureus</em>.
Answer:
The correct answer is B high levels of lactose and high levels of cyclic AMP.
Explanation:
Lac operon contain 3 regulatory genes and 3 structural genes.In presence of lactose the repressor molecule that is encoded by Lac I gene cannot bound to the operator region.
Bacause the lactose interact with the repressor and change its conformation so that it cannot repress the expression of the structural genes of lac operon.
On the other hand cyclic AMP is a positive regulator of lac operon .The interaction of cyclic AMP with the promoter region of lac operon stimulates the binding of RNA polymerase in the promoter region to boost the expression of structural genes of lac operon such as Lac Z,Lac Y and Lac A.
There are exactly 24 chromosomes in a girl cell and 24 in a boy cell.
The process of cellular differentiation is a direct result of a differiental
