Which allele combination represents a female who is a carrier for an X-linked recessive disorder?

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Many humans consume both plants and animals. these humans are considered to be which of the following? herbivores carnivores omnivores

Asample of digestive juice was removed from the stomach of a pig. the juice was placed in a test tube along with some grains of wheat. a second test tube was set up containing an equal number of wheat grains, with distilled water rather than digestive juice. the test tubes were kept for 8 hours at 40 degrees c. after 8 hours, the grains inside the digestive juice had broken into tiny particles. the grains of wheat, in the water, were wet but otherwise unchanged. what is the control group?