Calories per unit volume of a food

What will be an ideal response?


Nutritive density

Biology & Microbiology

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What is the function of the contractile vacuole?

A. to help single-celled organisms maintain homeostasis in a hypotonic environment B. to help single-celled organisms change shape in response to environmental changes C. to help maintain water balance for singlecelled organisms living in a hypertonic environment D. to maintain cell shape through turgor pressure

Biology & Microbiology

Which vertebrates rely on a positive pressure filling mechanism to move air into their lungs?

A. human B. eagle C. bullfrog D. crocodile E. mouse

Biology & Microbiology

Roots and shoots lengthen through activity at _____

a. apical meristems c. vascular cambium b. lateral meristems d. cork cambium

Biology & Microbiology

If tall (D) is dominant to dwarf (d), and two

homozygous varieties DD and dd are crossed, then what kind of progeny will be produced? a. all intermediate forms b. all tall c. all dwarf d. 1/2 tall, 1/2 dwarf e. 3/4 tall, 1/4 dwarf

Biology & Microbiology