What completes preparation of uterus for pregnancy?
A. LH
B. FSH
C. Prolactin
D. Testosterone
E. Progesterone
Answer: E
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Phloem sap does not normally contain ____
a. carbohydrates b. hormones c. water d. amino acids e. nitrate
________ refers to the fraction of the total variation in a trait that is due to variation in genes
Fill in the blank(s) with correct word
Most hospitals routinely test all newborns for an autosomal recessive disorder in which an enzyme in amino acid metabolism is NOT produced. In this disorder, lack of the enzyme leads to a buildup of compounds that damage brain tissue, possibly leading to mental retardation, unless a restricted diet is followed. What is the name of this disorder?
a. Duchenne muscular dystrophy b. achondroplasia c. sickle cell anemia d. phenylketonuria
Concerning fermentation, pyruvate is to lactic acid in muscle cells as __________ is to __________ in yeast.
a. lactic acid; water b. pyruvate; oxygen c. sugars; proteins d. ATP; NADH e. acetaldehyde; ethanol