The middle portion of a leaf that is sandwiched between the upper and lower epidermis is called the:
a.mesoderm.
b. middle lamella.
c. mesophyte.
d. bundle sheath.
e. mesophyll.
e
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A marine fish's kidney plays little role in nitrogenous-waste removal
Indicate whether the statement is true or false.
The resting potential across a typical neuron
membrane is approximately ____ inside relative to outside. a. ?70 microvolts b. ?70 millivolts c. ?70 volts d. +70 millivolts e. +70 megavolts
In a catabolic reaction, electrons from food are
A. added by oxidation and stored in ATP. B. removed by reduction and stored in NADH. C. removed by oxidation and stored in NADH. D. added by reduction and stored in ATP. E. added by reduction and stored in NADH.
A tRNA with a long chain of amino acids is released from the ribosome because the stop codon does not correspond with a particular anticodon that causes the tRNA to fall off, leaving only the polypeptide chain. This process is called ________
A) initiation B) termination C) elongation D) deletion