What do you know about the structure of atoms? How does it relate to the question?
What will be an ideal response?
If you make a diagram of the structure of a sodium atom there are 2 electrons in the first shell, 8 in
the second shell and 1 in the outer (valence) shell.
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Because it has no aquaporins, water is generally trapped in the ____ in mammals
a. distal convoluted tubule b. Bowman's capsule c. descending segment of the loop of Henle d. proximal convoluted tubule e. ascending segment of the loop of Henle
Is it possible to be a "carrier" (phenotypically normal but capable of passing the allele to one's offspring) for a genetic disease exhibiting this type of inheritance?
a. Yes b. No
The difference between normal hemoglobin and sickle-cell hemoglobin is in the
a. heme portion of the molecules. b. number of chains of amino acids. c. substitution of a specific amino acid for another specific amino acid. d. addition of one amino acid to the normal hemoglobin molecule. e. deletion of only one amino acid from the normal hemoglobin molecule.
The stemlike portion of a seaweed is called its
a. thallus. b. holdfast. c. stipe. d. blade.