The oxygen present in Earth's atmosphere has been produced as a waste product of the process of ________

Fill in the blank(s) with correct word


photosynthesis

Biology & Microbiology

You might also like to view...

Which membrane protein is responsible for binding hormones that can trigger changes in the cell's activity?

a. recognition proteins b. receptor proteins c. transport proteins d. adhesion proteins e. channel proteins

Biology & Microbiology

Temperature extremes, lack of water, and other environmental stresses trigger an increase in which hormone?

a. gibberellin b. auxin c. abscisic acid d. ethylene e. cytokinin

Biology & Microbiology

The compound that Dr. Folling isolated from the urine of the Egeland children was ____________

A. phenylalanine D. phtalamine B. pyruvic acid E. pertussic acid C. phenylpyruvic acid

Biology & Microbiology

.During which phase of mitosis does the nuclear envelope fragment?

A) anaphase B) prophase C) interphase D) metaphase E) cytokinesis

Biology & Microbiology