What is meant by the term genetic code?
What will be an ideal response?
The genetic code consists of a linear series of three adjacent nucleotides present in mRNA molecules.
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Which of the following is MOST effective against resistant endospores?
A. Pasteurization B. Boiling C. Autoclaving D. All of these are equally effective against resistant endospores.
Y-linked traits are ____
a. known as homozygous traits b. known to skip generations in males c. carried only by males and transmitted only to males d. carried only by females, but are never expressed e. passed on to only 50% of female progeny
Which of the following information provides the strongest evidence to support the evolutionary relatedness between fungi and animals?
A. Some fungi and animals have flagella. B. Molecular data shows a similarity in DNA/RNA base sequences. C. They both possess a cell wall made of chitin. D. Both are heterotrophic.
Assuming normal concentrations of all ions inside and outside of the cell, and that K+ and Cl- channels are blocked but Na+ channels are open, the membrane potential will be ________.
a. 70 mV b. -60 mV c. + 60 mV d. +30 mV