_______________ are chemical substances produced in small quantities in one part of an organism and then transported to another part of the organism, where they bring about physiological responses.  

A.  Glycoproteins
B.  Photosynthates
C.  Hormones
D.  Heat shock proteins
E.  Pulvini


C.  Hormones

Biology & Microbiology

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Answer the question by using the accompanying graph. The optimal pH for enzyme 2 is ____

a. 2 b. 3 c. 4 d. 7 e. 8

Biology & Microbiology

Because thyroid hormone increases the body's ____ rate, a deficiency typically causes fatigue, increased sensitivity to cold temperature, and weight gain

a. calcium uptake b. water reabsorption c. metabolic d. glucose storage e. kidney filtration

Biology & Microbiology

What is the correct ordering in the hierarchal levels of the organization of life, from the least inclusive to the most

inclusive?

a. tissues, cells, population, organisms, and organs b. molecules, cells, organs, tissues, and organisms c. ecosystems, populations, tissues, cells, and organs d. cells, tissues, organs, communities, and populations e. cells, tissues, organs, organisms, and ecosystems

Biology & Microbiology

All life is made up of complex molecules built on a framework of ________ atoms

Fill in the blank(s) with correct word

Biology & Microbiology