A human embryo doesn't need the kind of yolk that is present in a chick embryo. Explain.

A. It doesn't need any nourishment.

B. It gets its nourishment from its mother.

C. It can synthesize its own food.

Why does the presence of a hair follicle have forensic importance? A) It may indicate when the hair was cut. B) The scale pattern may indicate gender. C) DNA may be extracted from the follicle.

Listed below are blood types for several children and their mothers. give all possible genotypes and blood types for the father of each child

Is a bone fragment an example of physical contamination?

Which of the following is a trace gas? nitrogen oxygen ozone hydrogen

Which reaction is most likely catabolic? A + B, C + energy A + B + energy, C A + energy, B + C A, B + C + energy

The membrane in the ear is named for what musical instrument

The earths core is made up mainly of what 2 substances? 2. Like an egg, Earth has a core, a layer surrounding the core, and a thin, hard outer layer. Which layers of the earth match the layers of an egg?

Pyruvic acid is the final product of glycolysis, which is the first stage of cellular respiration. Why is pyruvic acid never the end product of fermentation.

The spread of pathogens how do we get sick worksheet answers

What is the purpose of the tympanic membrane