Which statement correctly distinguishes a difference in plant and animal cell division?
A) in plant cells, mitosis precedes G2, while in animal cells mitosis follows G2
B) the bipolar spindle seen in dividing animal cells is absent in plant cells
C) condensed chromosomes can be seen in plant cells during interphase
D) cytoplasmic division differs; plant cells form a cell wall but animal cells do not
Ans: D) cytoplasmic division differs; plant cells form a cell wall but animal cells do not
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A) gliding / slime trails B) chemotactic / colonies C) phototactic / slime trails D) swarming / fruiting bodies
The contraction of the right ventricle moves ____
a. blood into the systemic circulation b. deoxygenated blood into the lungs c. oxygenated blood into the aorta d. oxygenated blood into the lungs e. blood into the left ventricle
Thylakoids are stacked on top of one another into little piles called ________.
Fill in the blank(s) with the appropriate word(s).
Several of the structures in the muscle cell are given special names. For example, the cytoplasm of a muscle fiber is called the sarcoplasm. Which of the following is truly a unique structure to muscle cells (not just a renamed one)?
A. endoplasmic reticulum B. plasma membrane C. transverse (T) system D. cytoplasm E. nucleus