All of the following are characteristics that make plasmids good cloning vectors, except
A. they are well characterized.
B. they can accept a relatively large amount of foreign DNA.
C. they are small.
D. they can be transferred into appropriate host cells.
E. they can carry genetic markers, such as antibiotic resistance genes.
Answer: B
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A. xylem B. vascular C. dermal D. ground E. phloem
Half a woman's somatic cells express her paternal X chromosome and half express her maternal X chromosome
Indicate whether the statement is true or false
Which of the following is true of anabolic reactions?
a. Anabolic reactions break down complex organic compounds into simpler ones. b. Anabolic reactions produce energy, which is used to convert ADP to ATP. c. Anabolic reactions use ATP and small substrates as building blocks to synthesize larger molecules. d. Anabolic and catabolic reactions both build complex organic molecules from simpler ones; however, anabolic reactions use ATP, whereas catabolic reactions transfer energy to create ATP.
________ cells lack a membrane-enclosed nucleus
A) Plant B) Prokaryotic C) Eukaryotic D) Fungal