In pea plants, purple flowers are dominant to white flowers. What is the genotypic ratio observed when a purebred white flower is crossed with a hybrid?

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

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

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?