Silvadene, a topical treatment for burns, contains 1% silver. What category of chemical control agent is in Silvadene?
A) halogens
B) heavy metals
C) oxidizing agents
D) aldehydes
E) surfactants
B
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People who have type 1 diabetes cannot make _____ and must inject it
Fill in the blank(s) with correct word
Edouard van Beneden proposed that an egg and a sperm, each containing half the complement of chromosomes found in somatic cells, fuse to produce a single cell called a(n) ________.
A. embryo B. oocyte C. karyotype D. zygote
____________________ is a process in which unrelated species in separated parts of a biome develop similar characteristics, such as water-storing stems in North American cacti and African euphorbs.
Fill in the blank(s) with the appropriate word(s).
What are the general structural features of a prokaryotic plasmid?
A) circular double-stranded DNA in the nucleus B) linear double-stranded DNA integrated into the chromosome C) proteins on the bacterial chromosome D) made of protein and existing in the cytosol E) circular double-stranded DNA in the cytosol