More than half of the body's blood platelets are made by megakaryocytes in the


Answer; Lungs

Biology & Microbiology

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Why would soil and water be added to a compost pile?

A. The organisms in the soil, along with the moisture from the water, would facilitate the natural decomposition of the material in the compost pile. B. Without adding soil and water, no decomposition of the material can take place. The material would simply sit there. C. Water is the medium that photosynthetic organisms use to break down the organic materials in the compost pile. D. Soil spreads out the material in the pile. If the material is too close together, natural aeration cannot occur and decomposition stops.

Biology & Microbiology

Which of the following is a fundamental characteristic of the Notch pathway?

A) It works through nuclear signals involving the lac operon. B) It works through direct cell-to-cell contact. C) It allows mRNAs to accumulate in the posterior portion of the Drosophila embryo. D) It provides symmetry to plant flowers. E) It directs mRNAs to antisense systems in the posterior portion of all organisms.

Biology & Microbiology

Which type of cell in the human body possesses a FLAGELLUM?

a. tracheal cell b. skin cell c. neuron d. sperm cell

Biology & Microbiology

Tubular reabsorption requires both passive and active modes of reabsorption.

Answer the following statement true (T) or false (F)

Biology & Microbiology