Answer:
amino group
Explanation:
There are twenty (20) amino acids in nature. Generally, each amino acid is structurally made up of a central carbon atom called alpha carbon attached to a hydrogen, carboxylic acid group (-COOH) and an amine group (-NH2). However, one particular amino acid called PROLINE posseses an exception to this.
Proline, which is the only cyclic amino acid, is also the only amino acid that forms a secondary amine group i.e. loss of hydrogen atoms in its amine group when in a protein structure. This means that when in a protein, PROLINE does not have an AMINE GROUP.
Answer:
52.9 KJmol-1
Explanation:
From;
log(k2/k1) = Ea/2.303 * R (1/T1 - 1/T2)
The temperatures must be converted to Kelvin;
T1 = 25° C + 273 = 298 K
T2= 35°C + 273 = 308 K
R= gas constant = 8.314 JK-1mol-1
Substituting values;
log 2 = Ea/2.303 * 8.314 (1/298 - 1/308)
Ea = 52.9 KJmol-1
Answer:
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Explanation:
Answer:
Cardiac output (CO) = 8.54 l / min
Explanation:
Given:
Oxygen consumption (V) = 1.41 l O2/min
Oxygen in arterial (Ca) = 190 ml O2/L = 0.19 l O2/L
Oxygen in venous (Cv) = 25 ml O2/L = 0.025 l O2/L
Find:
Cardiac output (CO)
Computation:
Cardiac output (CO) = V / (Ca - Cv)
Cardiac output (CO) = 1.41 / (0.19 - 0.025)
Cardiac output (CO) = 8.54 l / min