Vitamin K is produced in the intestine by
a. Escherichia coli.
b. Staphylococcus aureus.
c. Streptococcus pyogenes.
d. Bacillus subtilis.
e. Helicobacter pylori.
A
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The term antithesis refers to
A) using a key word or phrase more than once for emphasis. B) having two or more clauses or sentences with the same grammatical pattern. C) a sentence that has two parts with parallel structures but contrasting meanings. D) the repetition of consonant sound several times in a phrase,clause,or sentence.
Most moss gametophytes do not have a cuticle and are 1-2 cells thick. What does this imply about moss gametophytes and their structure?
A) They use stomata for gas exchange regulation. B) They can easily lose water to, and absorb water from, the atmosphere. C) Photosynthesis occurs throughout the entire gametophyte surface. D) They have branching veins in their leaves.
Which of the following molecules is the most
common photosynthetic pigment in plants?
a. chlorophyll a b. chlorophyll b c. chlorophyll c d. chlorophyll d e. chlorophyll e
Membership in a clade cannot be established by shared ancestral traits alone
_____________________ Indicate whether the statement is true or false.