What is the most appropiate unit of measurement fro most types of cells?

Biology

1 answer:

Rzqust [24]3 years ago

6 0

Solution:

The most appropiate unit of measurement fro most types of cells is CD4 counts are measured in cells per cubic millimetre = cells/mm3. A cubic millimetre (mm3) = mm3 = 1 mm x 1 mm x 1 mm.

This is the required answer.

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makvit [3.9K]

Answer:

fixed action pattern, key stimulus; key stimulus, fixed action pattern

Explanation:

An innate behavior which specific to a species and is highly stereotyped is termed as a fixed action pattern.
This behavior occurs due to a neuronal network that is hard-wired in the species and the response is said to be generated following a key stimulus.
A key stimulus is the one that generates a fixed action pattern and this is also called a releaser.
A key stimulus can be in the form of shape, sound, color, or a combination of these.
In this case, the red spot is a stimulus for the chicks which causes them to peck at their parent's bill, and hence, the red spot is a key stimulus, and pecking of the chicks is a fixed action pattern.
The parents regurgitate the food only when the chicks peck at their bills, so pecking is a key stimulus for the parents which causes them to regurgitate the food which is a fixed action pattern.