Four of the five answers listed below are related by a common chemical similarity. Select the
exception.
a. cellulose
b. hydrochloric acid
c. amino acid
d. protein
e. nucleic acid
B
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Which of the following is/are true about endotoxins?
A. Lipid A is the toxic portion of the molecule. B. The toxic effects depend on the bacteria from which it came. C. The lipid A is immunogenic. D. They are proteins. E. The toxic effects depend on the bacteria from which it came AND they are proteins.
The slender, rootlike structures found in nonvascular plants are called ____
a. thalli b. rhizomes c. gametangia d. protonema e. rhizoids
To create a tree based on molecular information, we obtained a __________ sequence from NCBI, used _____________ to align the sequences, input the aligned sequences into ________ to obtain the raw phylogenetic tree and rooted the tree using ______________.
A. FASTA, DNAPars, MUSCLE, FigTree B. MUSCLE, FASTA, DNAPars, FigTree C. FASTA, MUSCLE, DNAPars, FigTree D. FigTree, GenBank, MUSCLE, FASTA
The genes for zeste eyes and forked bristles are located on the X chromosome in Drosophila melanogaster. Both genes are recessive. A cross is made between a zeste-eyed female and a forked-bristled male. If 200 offspring from this cross were obtained,
what is the expected offspring's phenotype and sex? A) 100 forked female; 100 zeste male B) all wild type C) 50 wild female, 50 forked female; 50 zeste forked male, 50 zeste male D) 100 wild female; 100 zeste male E) 100 zeste female; 100 zeste forked male