Homologues of the nascent-chain-associated chaperone (NAC) protein folding system are found in bacteria, eukaryotes, and archaea.
Answer the following statement true (T) or false (F)
True
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Most of the carbon in amino acid biosynthesis comes from
A) citric acid cycle intermediates. B) citric acid cycle intermediates and glycolysis products. C) glycolysis products. D) glycolysis intermediates and products.
A homologous pair of mitotic chromosomes will possess _______ alleles for each locus.
A. 2 B. 4 C. 8 D. 1 E. 50% of the
A significant polymorphic inversion on chromosome 17, the MAPT inversion, is identified by marker SNPs that can now be used to screen large numbers in a population. The inverted region is large and extends for approximately 900 kb
The two haplotypes (one inverted and one not) are each associated with increased risk of a number of neurological conditions. How can the inverted region be used to find the most recent common ancestor of the inversion? A) by typing SNPs from humans and from other primates B) by assessing SNPs from a large number of human populations C) by looking for heterozygotes for the two kinds of chromosome 17 D) by fertility studies on populations with each of the haplotypes E) by using a BAC clone library to identify the ends of the inversion
Rotenone is a poison commonly added to insecticides. Rotenone binds tightly with one of the electron carrier molecules in the electron transport chain, preventing electrons from passing to the next carrier molecule. Insects exposed to rotenone will die
because A) they will no longer be able to perform anaerobic respiration. B) high levels of fermentation products will build up in their bodies. C) they will no longer be able to produce adequate amounts of ATP. D) they will no longer be able to absorb water and will become dehydrated.