Most biologists agree that the most important metabolic pathway of living organisms is photosynthesis because its products directly or indirectly affect most living organisms.

a. true
b. false


a. true

Biology & Microbiology

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An individual who has two different alleles for a trait is called ____________

A. Haploid B. Homozygous C. Heterozygous D. Isozygous E. True-breeding

Biology & Microbiology

How do the products of glycolysis and Krebs cycle relate to the electron transport chain?

Glycolysis and the Krebs cycle use CO2, which is produced in the electron transport chain. Glycolysis and the Krebs cycle produce CO2, which binds to electrons in the electron transport chain. Glycolysis and the Krebs cycle produce the ATP necessary to start the electron transport chain. Glycolysis and the Krebs cycle produce the molecules that shuttle electrons to the electron transport chain. Glycolysis and Krebs cycle are the final receptors for electrons that flow through the electron transport chain.

Biology & Microbiology

Which of the following is NOT a characteristic of cellular immunity?

A) The cells originate in bone marrow. B) Cells are processed in the thymus gland. C) It can inhibit the immune response. D) B cells make antibodies. E) T cells react with antigens.

Biology & Microbiology

Defend the following statement: Vascular tissue was, arguably, the most important evolutionary step, making possible the kinds of plant life we see today

What will be an ideal response?

Biology & Microbiology