Matt is an athlete, but recently he’s been feeling sluggish during practice. he needs to take more breaks because he feels tired. his doctor tells him that an organelle in his cells isn’t working as it should. which organelle is most likely the cause of matt’s symptoms?
golgi apparatus
lysosome
mitochondrion
ribosome
vacuole

What effect does plate tectonics have an organic evolution

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

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?