One botulinum toxin prevents microfilaments from forming. If a Physarum cell were exposed to that chemical, would you expect to see cytoplasmic streaming? Explain
What will be an ideal response?
No. Cytoplasmic
streaming relies on the presence of microfilaments to occur. Without these microfilaments,
the streaming cannot take place.
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During _________ of the cell cycle, the chromatids are pulled to opposite sides of the cell.
Fill in the blank(s) with the appropriate word(s).
Syndrome R involves a genetic mutation that affects all chemoreceptors in the body. Which sensations are affected in Syndrome R?A) HearingB) TasteC) PainD) SmellE) Touch
What will be an ideal response?
Which of the following is the major function of DNA?
a) catalyzes metabolic reactions b) storage of energy c) transfer information for protein synthesis d) long-term storage of information for protein synthesis e) transport of electrolytes
When the level of ADH (antidiuretic hormone) decreases,
A) more urine is produced. B) less urine is produced. C) the osmolarity of the urine decreases. D) both more urine is produced and the osmolarity of the urine decreases. E) both less urine is produced and the osmolarity of the urine decreases.