The helix structure on the right of the above figure represents
a. DNA.
b. RNA.
c. lipid.
d. protein.
e. phospholipid
ANSWER: b
You might also like to view...
A common adaptation of coastal plants that grow on sand dunes is
A. deep roots to extract moisture. B. broad leaves for enhanced photosynthesis. C. secretion of proteinaceous threads. D. increased transpiration of water. E. elevated growth rates.
Dr. Asbjorn Folling discovered that the blood of children affected by PKU reacted with ferric chloride to produce a green color indicating the presence of phenylalanine
a. True b. False Indicate whether the statement is true or false
The specimen of choice to collect in suspected cases of respiratory syncytial virus (RSV) is:
a. buccal mucosa. b. sputum. c. throat. d. nasopharyngeal.
A dihybrid cross of two contrasting pure-breeding
organisms a. produces homozygous offspring. b. must produce a phenotype different from either pure-breeding parent. c. results in the disappearance of the recessive traits in the first generation. d. takes place only in the laboratory under precisely controlled conditions. e. will result in the immediate formation of another pure-breeding variety.