Which of the following is a plant behavior that is influenced by light?
A. solar tracking
B. phototropism
C. flowering
D. seed germination
E. All of the choices are true
E. All of the choices are true
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Which animal cell organelle contains enzymes that transfer hydrogen from various substrates to oxygen?
A) lysosome B) vacuole C) mitochondrion D) Golgi apparatus E) peroxisome
When plants are produced by cloning, which process is most directly involved?
a. mitotic cell division b. binary fission c. meiotic cell division d. gamete production e. budding
Which of the following is present in a prokaryotic cell?
a. mitochondrion d. chloroplast b. ribosome e. ER c. nuclear envelope
This structure separates a cell from its surroundings:
A. plasma membrane B. nuclear envelope C. cytoplasm D. nucleiod E. organelle