Aman is accused of a brutal beating of a young woman. he claims that he never struggled with her, despite several eyewitnesses seeing him with the woman. several hairs from the woman's head are found at the crime scene. the hairs are analyzed by a hair expert. the hair expert explains that he is certain that the hairs have been pulled from the victim's head. how do we know that the hairs have been pulled?
a) a small medullary index is present.
b) chevron scale patterns were noted.
c) the follicular tags are stretched.
d) the medulla patterns are elongated.

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?

About __ of the mass of the cell is water

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things