1. Se dieron a conocer las siguientes determinaciones en réplica en una muestra de sangre, usando espectrofotometria de absorción atómica (AAS, atomic absorption
spectrophotometry) y un nuevo método colorimétrico. Calcule la desviación
estándar, media, mediana y error medio estándar. ¿Qué método tendría más error
en la determinación analitica?
AAS
(mg/dL)
10.9
10.1
10.6
Colorimétrico
(mg/dl.)
9.2
10.5
9.7
11.5
9.7
11.6
10.0
9.3

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.