Due to the faulty transport protein ________ ions cannot leave the cell and ________ accumulates on the cell's surface
a. potassium, mucus
b. hydrogen, mucus
c. chloride, salts
d. chloride, mucus
e. sodium, cancer
d
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Post-translational modification may include
A. formation of exons and introns. B. folding of the protein, often with the aid of chaperones. C. removal of the signal sequence. D. addition of glycine tags. E. folding of the protein, often with the aid of chaperones, AND removal of the signal sequence.
Muscular contraction moves food through the alimentary canal by a process called ________
A) propulsion B) active transport C) peristalsis D) swallowing
Scottish scientist cloned Dolly from another sheep in 1997. They took an egg cell from a sheep (Mom 1) and removed and discarded the nucleus. They took an udder cell nucleus, that was diploid, from a different sheep (Mom 2). They inserted the nucleus into the egg cell and made this new cell undergo mitosis. They implanted the dividing cell into a surrogate mother (MOM 3). Several months later, Dolly was born. Dolly was actually a clone of which sheep?
a) Mom 1 b) Mom 2 c) Mom 3 d) there is not enough information given to answer this question
Rubisco fixes carbon dioxide to which molecule:
A. glyceraldehyde 3-phosphate B. 3-phosphoglycerate C. ribulose 1, 5 biphosphate (RUBP) D. NADP+ E. ADP