Proteins synthesized in bacteria have which of the following at their amino terminal end?
a. N-formyl-methionine
b. N-acetyl-adenine
c. adenine triphosphate
d. the AUG codon
e. the UUU codon
A
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Why is it important that ectomycorrhizal fungi (EMF) have peptidase enzymes?
A) These enzymes are necessary to break through the tough lignin layers in plants. B) These enzymes assist with the breakdown of cellulose. C) These enzymes are needed to release nitrogen from dead plant material in colder environments. D) These enzymes catalyze the formation of the compounds used during decomposition.
The infectious dose of most pathogens is about equal
Indicate whether this statement is true or false.
Alternative or different forms of the same gene are called _____
a. homozygous b. chromatids c. alleles d. homologous e. karyotypes
Cactus spines are modified leaves adapted for dry climates, while the leaves of the Venus fly trap plant are adapted to
capture insects. These structures are therefore ____.
a. analogous b. homologous c. recessive d. homozygous e. morphogenic