Identify and describe three types of chemical reactions important in human physiology
What will be an ideal response?
Three types of chemical reactions important in human physiology are (1 ) decomposition reactions, in which a molecule is broken down into smaller fragments; (2 ) synthesis reactions, in which small molecules are assembled into larger ones; and (3 ) exchange reactions, in which parts of the reacting molecules are shuffled around to produce new products.
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Cells can regulate the rate of the TCA cycle using all the following ways, EXCEPT
A) Controlling the concentration of the substrate. B) Controlling the concentration of the required enzyme. C) Controlling the amount of energy the cell must expend for survival. D) Controlling the catalytic activity of the required enzymes.
This substance gives bile its major pigmentation
a) ketone bodies b) erythrocytes c) casts d) bilirubin e) glucose
One primary oocyte containing 46 doubled chromosomes yields only one ovum containing 23 unpaired chromosomes
Indicate whether the statement is true or false
Most hypothalamic and pituitary hormones are:
a. amino acids b. peptides / proteins c. steroids d. eiconsanioids e. catecholamines