Particular mutations in the cystic fibrosis transmembrane conductance (CFTR) gene result in a CFTR
molecule that transports sodium ions poorly or not at all.
Indicate whether the statement is true or false.
ANSWER: False - chloride
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Which is most likely to happen to a human polyploid?
a. natural abortion b. death around the age of 1 year c. survival until the early teens d. survival until the mid-thirties e. death around the age of 1 month
This phylum of vascular, seed-bearing plants has about 550 known living species, the most among
gymnosperms. Many of them have needlelike leaves with thick cuticles and sunken stomata, and are thus adapted to dry conditions.
a. Cycadophyta b. Anthophyta c. Gnetophyta d. Coniferophyta e. Ginkgophyta
The membrane-bound enzyme system that restores and maintains the resting membrane potential is
which of the following pumps? a. sodium-phosphorus b. sodium-potassium c. sodium-chlorine d. phosphorus-calcium e. phosphorus-chlorine
The structure that connects the two cerebral hemispheres is called the _________ ____________
Fill in the blank(s) with the appropriate word(s)