During clonal selection of B-cells, which of the following statements is true?
a) DNA replication, RNA transcription and protein translation are required.
b) Protein translation is required only.
c) RNA transcription and protein translation occur independent of DNA replication.
d) Only DNA replication and protein translation are required independent of RNA transcription.
Answer: a) DNA replication, RNA transcription and protein translation are required.
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Legumes grown in sterile soil would be expected to have ____
a. purplish veins b. chlorosis and mottled or bronzed leaves c. chlorosis in older leaves and stunted growth d. burned leaf edges and curled, mottled, or spotted older leaves e. pale green, rolled, or cupped leaves
Which of the following is not a decapod?
a. shrimp b. lobster c. crab d. krill
Tumor suppressor genes are often likened to the gas pedal of a car.
Answer the following statement true (T) or false (F)
From which vesicle does the neurohypophysis (posterior pituitary) descend?
A. Diencephalon B. Mesencephalon C. Metencephalon D. Myelencephalon E. Telencephalon