A substrate is another term for a(an)
a. enzyme.
b. product.
c. reactant.
d. active site.
e. cofactors
C
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Explain the basis for how the three groups of macroalgae are divided, and name the main pigment(s) characteristic to each group
What will be an ideal response?
In which of these stages does the chromosome consist of two chromatids?
1.prophase and anaphase 2.metaphase, prophase, and anaphase 3.metaphase and prophase 4.metaphase, telophase, and prophase 5.at any time during cell division
Which of the following statements about the regulation of respiration is false?
a. Respiratory centers in the medulla control the transition from inspiration to expiration. b. Carbon dioxide concentration is the most important chemical stimulus for regulating respiratory rate. c. Chemoreceptors in the walls of various arteries are sensitive to carbon dioxide levels in the blood. d. A group of neurons in the ventral medulla only become active when we need to breathe forcefully. e. Chemoreceptors may be sensitive to oxygen, carbon dioxide, and/or hydrogen ion concentration.
Many features of a protein change when it is moved into an environment with a different pH. Which of the following features would stay the same?
A) amino acid sequence of the protein B) tertiary structure of the protein C) function of the protein D) shape of the protein E) binding properties of the protein