Next to carbon and oxygen, the element organisms most require is
A. sulfur.
B. phosphorus.
C. nitrogen.
D. iron.
C. nitrogen.
Biology & Microbiology
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In ________, a zygote formed by IVF is implanted into the oviduct through a small incision. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
The three types of horizontal gene flow that occur in bacteria are __________, __________, and __________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
In which organelle of the plant does photosynthesis takes place?
A. thylakoid membrane B. chloroplast C. grana D. mesophyll E. mitochondria
Biology & Microbiology
Which of the following types of plants produce "suckers," or sprouts, which give rise to new plants?
A. blackberry B. apple C. cherry D. raspberry E. All of the choices are correct.
Biology & Microbiology