Bacteriorhodopsin is a light-sensitive pigment
found in ____ archaeans and used to supply
energy for ____ production.
a. halophilic; ATP
b. thermophilic; carbohydrate
c. methanogenic; methane
d. halophilic; carbohydrate
e. thermophilic; ATP
A
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A few species of actinomycetes have been found to be pathogenic in humans, other animals, and plants.
Answer the following statement true (T) or false (F)
What are characteristics of the pedigrees of families with mitochondrial diseases?
A) All children of affected mothers are usually affected regardless of their sex. B) Only the male children of affected mothers are affected, female children are not affected. C) Only female children of affected mothers are also affected, male children are not affected. D) All children of affected males are usually affected.
If ionizing radiation affects a germ cell then ____
a. no sperm or eggs will be made b. more eggs and sperm than normal will be produced c. sperm and eggs will contain the diploid number of chromosomes d. damage to the DNA will be inherited by an infant e. no problems will arise
For a given cross, the expected number of double recombinants is 20 and the observed number of double recombinants is 15. What is the interference calculation (I)?
A) 0.25 B) 1.33 C) 20 D) 0.75 E) 15