In most eudicots, a short stalk called a ____ attaches the leaf to a stem.
A. vascular bundle
B. petiole
C. node
D. bundle sheath
E. stomata
Answer: B
Biology & Microbiology
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Which of the following plant hormones stimulates development of an abscission zone in the leaf petiole?
A. ethanol B. gibberellins C. abscisic acid D. auxin E. ethylene
Biology & Microbiology
Which of the following steps are the correct order of the steps of interphase?
a.
b.
c.
d.
Biology & Microbiology
A(n) ____________________ is verifiable information. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Be has an atomic number of 4 and an atomic mass of 9. How many protons does it have?
A. 7 B. 5 C. 9 D. 4 E. 13
Biology & Microbiology