What are the three elements that are most often limiting factors for plant growth?
a. carbon, potassium, and magnesium
b. carbon, oxygen, and nitrogen
c. hydrogen, magnesium, and oxygen
d. sulfur, calcium, and nitrogen
e. nitrogen, phosphorus, and potassium
E
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Plasmids often encode for proteins
A) involved in translation. B) required for cellular growth. C) that confer resistance to antibiotics. D) involved in DNA replication.
Which of the following is NOT involved in nonspecific defenses?
A. natural killer cells B. monocytes C. neutrophils D. mast cells E. B cells
Which of the following is not a means by which translation can be regulated in a eukaryotic cell?
A: Inhibition of translation of target mRNA with miRNAs B: Modification of the 5? cap of the mRNA C: Binding of a translational repressor protein to target mRNA D: Degradation of target mRNA by binding of small interfering RNA E: Attachment of ubiquitin to target mRNA.
Select the best response to the question. You are treating a patient with a sore throat. The patient's rapid strep test has come back negative. What should be done next?
A) The patient can be discharged without further evaluation. B) Blood work should be drawn. C) A throat culture should be sent. D) A sputum culture should be collected.