1. Cells with no nucleus or organelles with membranes 1. prokaryotes
2. eukaryotes
3. protocells
none of these

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.