How is S phase launched? A. when inhibitory phosphate are placed on S-CDka s

B. Phosphorylation of proteins at the origins of replication

C. Acetylation of protein at the centrosomes

D. Acetylation of proteins at the origins of replication

E. when S cyclin concentration first start to increase.

Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna

Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked