【单选题】Calculate the amount of direct materials used during the year, when beginning inventory is $7,000, net purchases is $33,000 and ending inventory is $4,000:
【单选题】Which of the following statements about nucleic acid structure is wrong?
A.
The covalent backbones of nucleic acids consist of alternating phosphate and pentose residues, and the nitrogenous bases may be regarded as side groups joined to the backbone at regular intervals.
B.
The hydroxyl groups of the sugar residues form hydrogen bonds with water.
C.
The backbones of both DNA and RNA are hydrophobic.
D.
The phosphate groups, with a p K a near 0, are completely ionized and negatively charged at pH 7, and the negative charges are generally neutralized by ionic interactions with positive charges on proteins, metal ions, and polyamines.
【单选题】When beginning finished goods inventory is $60,000, cost of goods manufactured is $410,000, and ending finished goods inventory is $34,000, what is cost of goods sold?
【单选题】When two mothers brought one child before Solomon, both claiming to be the true mother. What did Solomon do?
A.
He ordered an alternating custody arrangement where both women would have time with the child.
B.
He ordered that neither woman should have the child. Instead he was to be raised as a prince of the court.
C.
He invited the woman to cast lots with the winning woman claiming the child as her own.
D.
He first ordered the child cut in two halves with each woman claiming one half. When the true mother objected Solomon then ruled in favour of this woman, saying that the child was really hers.