Which of the following processes is closely
associated with the normal functioning of the
“cystic fibrosis” gene?
a. water osmosis
b. sodium - chloride pumping
c. protein diffusion
d. pH regulation
e. polypeptide packaging
A
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John Bernal suggested that prebiotic synthesis of polymers took place on clay because
A. Clay minerals are known to bind organic molecules. B. Clay is negatively charged and attracts cations. C. Some minerals in clay attract organic monomers and catalyze chemical reactions. D. Clay minerals can attract and bind organic molecules, catalyze chemical reactions and attract cations. E. Clay is positively charged and can bind organic molecules for polymerization.
Mendel crossed a true-breeding pea plant with green pods and a true-breeding pea plant with yellow pods. All offspring had green pods. Which color is recessive?
What will be an ideal response?
Erosion of the gastrointestinal tract that results in a sore is called a ________
A) pore B) chancre C) diverticulum D) peptic ulcer
What was a t-test used to analyze the data collected from the termite orientation behavior experiment?
A. The dependent variable is discrete and the independent variable is continuous B. The independent variable is discrete and the independent variable is continuous C. Both dependent and independent variable are continuous D. Both dependent and independent variable are discrete