When a person's red blood cells have neither A nor B antigens, what is the blood type of this person?

A. A

B. AB

C. B

D. O

Ant is eating mesquite tree and other insects what type of energy is this ant consuming

Why do scientist often repeat experiments everal times>?

What body systems does angelman syndrome affect?

Organic substances found in foods that aid enzymes.

Which type of soil is the most porous?

Which of the following species is most likely to be an invasive species if introduced into a favorable new habitat? a. Oyster b. Fish c. Rabbit d. Bobcat

Which would BEST allow a species to survive environment changes

You discover a very slow-growing plant that has extremely tiny leaves that are covered in a thick layer of wax and succulent stems. in which biome did you most likely discover this plant?

Any change in the normal nucleotide sequence that codes for an amino acid is called a

What are the 3 functions of the membrane proteins?