AT, GC
Explanation:
Adenine (A) pairs with Thymine (T).
Guanine (G) pairs with Cytosine (C).
A - T
C - G
T - A
T - A
G - C
C - G
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This is the chronicle of evolution over millions of years of geologic time engraved in the order which fossils appear in rock strata.
The right answer is D.
The absorption of molecules at the level of the skin is carried out by passive diffusion for the molecules of low molecular weight (lower than 400 Da), the skin being covered with a lipoprotein film rich in water by its stratum corneum, rendering it little-permeable.
This absorption may be variable according to factors related to the skin such as stratum corneum's thickness, the state of hydration, the presence of cutaneous lesions or individual variations.
External factors may also modulate percutaneous absorption such as contact time, iontophoresis or the presence of specific adjuvants.
The cytoplasm is divided by cytokinesis
Performance can be impaired by a fluid-related decrease in body weight of as little as 1 percent. Dehydration is assumed to be a major adverse effect associated with rapid loss of body mass and this impairs the level of performance in an individual.
