A chemical interaction in which the products contain less free energy than the reactants is called a(n)
__________ reaction. Fill in the blank(s) with the appropriate word(s).
ANS: exergonic PTS: 1 DIF: Difficult
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Human diet must be varied enough to provide ____________________ of the 20 amino acids from the foods we eat
Fill in the blank(s) with correct word
Answer the following statements true (T) or false (F)
1. Phylogenetic analyses of some vertebrate mineralcorticoid and glucocorticoid receptors and their ligands has suggested that the hormones evolved prior to their receptors. 2. Vasotocin is present in non-mammalian vertebrates and shares structural and functional properties with mammalian antidiuretic hormone and oxytocin. Through these similarities it has been suggested that vasotocin could be the ancestral precursor to the posterior pituitary hormone in vertebrates. 3. Vitamin D is a hormone produced in part by exposure to sunlight. 4.
As a plant cell grows and matures, additional layers are added to the cell wall to construct the more rigid ____,
a. middle lamella b. secondary cell wall c. primary cell wall d. plasma membrane e. central vacuole
In Figure 47-1, dentin is labeled as number:
a. 1
b. 2
c. 3
d. 4
e. 5