Why do scientists believe that life first emerged from the ocean and onto land well after the ancestors of modern day cyanobacteria populated the earth

Whichof the following statements below is a result of genetic engineering? A. an orange that has a prolonged shelf life. B. a daffodil that attracts insects for pollination. C. a butter squash that has high nutritional value. D.

The most nutritious parts of grains such as rice and wheat are A. endosprem B. flower C. stamen D. embryo

After abdominal surgery a client returns to the unit with a nasogastric (ng) tube to low intermittent wall suction. the primary healthcare provider prescribes an antiemetic every six hours as needed for nausea.

This body fluid directly affects the proper functioning of cells. this is the structure of a feedback system that receives output from the control center. this is the structure of a feedback system that provides input to the control center.

Do sea urchins get energy by eating kelp

Which of the following is the primary function of proteins? A) transmits hereditary information from one generation to the next B) stored, concentrated energy C) builds and repairs cells and tissues in the body D) cushions and insulates organs

Which of the following best describes cell communication processes that are present in bacteria, yeast, and multicellular organisms?

During which phase of mitosis do the chromatids become chromosomes? a. telophase. b. anaphase. c. prophase. d. metaphase

How did the development of the hela cell line affect society?

The human body is composed of cells, organs, organ system and tissues. How are these organized