Ribosome inactivating proteins (RIPs), such as the poisin ricin, are deadly because they inactivate ribosomes. How does ribosome inactivation lead to death?
What will be an ideal response?
Ribosomes are crucial for the process of translation, which makes proteins. Without ribosomes and therefore, translation, protein synthesis stops. Proteins are critical to all life processes so cells that cannot make them quickly die.
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Synaptic integration means that
a. positive or excitatory stimuli produce an excitatory postsynaptic potential. b. the positive and negative ions neutralize each other. c. excitatory and inhibitory signals are summed in a receiving neuron. d. the adjacent neurons interact so that excitatory and inhibitory stimuli cancel each other out. e. all of these occur
An individual heterozygous for cystic fibrosis ________
A) cannot have children with cystic fibrosis B) is a carrier C) will have children who are all carriers of cystic fibrosis D) has cystic fibrosis
ISO membranes are inside-out membrane vesicles used by researchers in membrane studies. As a molecule diffuses into the vesicle, it will encounter the layers of the membrane in the following order
A) tail-head-head-tail. B) head-tail-head-tail. C) tail-head-tail-head. D) head-tail-tail-head. E) head-head-tail-tail.
Proteins are built from _____.
Fill in the blank(s) with the appropriate word(s).