NADH and NADPH are activated carrier molecules that function in completely different metabolic reactions. Both carry two additional ________ and one additional _____________. This combination can also be referred to as a hydride ion
(a) protons, electron.
(b) electrons, phosphate.
(c) hydrogens, electron.
(d) electrons, proton.
(d)
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Where are most glucose transporter proteins ("GLUTs") located when levels of the hormone insulin are LOW?
A. inserted into the plasma membrane B. in the membranes of intracellular vesicles C. inserted into the nuclear membrane D. in the endoplasmic reticulum E. in the liver—They are transported to other cells when glucose levels rise.
Imagine that a newly discovered species of fish normally has three eyes (E), but the rare mutation (e) causes "diopthalmic" fish with two eyes to be born
In addition, eye color in these fish is inherited similarly to humans, with black eyes (B) being dominant to blue (b). Assuming these two genes are carried on separate chromosomes, what must the genotypes of two black-eyed, three-eyed parents be if they have a blue-eyed, diopthalmic son? A) EEBB and eebb B) eeBB and EEbb C) Both EeBb D) Both eebb
The outer part of a G protein-linked receptor binds to a(n) ____, and its inner part binds to a(n) ____.
Fill in the blank(s) with the appropriate word(s)
Cells can be described as having a cytoskeleton of internal structures that contribute to the shape, organization, and movement of the cell. Which of the following are part of the cytoskeleton?
a) microfilaments b) the nuclear envelope c) nucleoli d) mitochondria e) lysosomes