This is the variable group in an amino acid. this part of an amino acid is what makes it unique.

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above

Will mark brainliest. (20 points) many have pigments structures known as eyespots that detect direction of light. a. b. archaebacteria c. protists d. none of the above

Which type of landforms forms at the plate boundary as a result of divergent stress