CHILD DEVELOPMENT PEDAGOGY

GROWTH DEVELOPMENT CHILD

GROWTH AND DEVELOPMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A sigmoid growth curve is characteristic of-
A
Bacteria growing in culture medium
B
Organisms growing in natural habitat
C
All cells, tissue and organs
D
All
Explanation: 

Detailed explanation-1: -Assertion: A sigmoid curve is characteristic of plants growing in the natural environment.

Detailed explanation-2: -A sigmoid curve is characteristic to an organism growing in a natural environment.

Detailed explanation-3: -Properties. In general, a sigmoid function is monotonic, and has a first derivative which is bell shaped. Conversely, the integral of any continuous, non-negative, bell-shaped function (with one local maximum and no local minimum, unless degenerate) will be sigmoidal.

Detailed explanation-4: -D. Logistic growth model is represented by a sigmoid curve.

Detailed explanation-5: -In red blood cells, the oxygen-binding curve for hemoglobin displays an ā€œSā€ shaped called a sigmoidal curve. A sigmoidal curve shows that oxygen binding is cooperative; that is, when one site binds oxygen, the probability that the remaining unoccupied sites that will bind to oxygen will increase.

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