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An Incredible Survivor
An Incredible Survivorにようこそ。現在、挑戦者数は93人です。
93人中 63人正解 (67.7％) 平均正解時間 353.59秒
(問１) The wood frog is unusual because it
lives a normal life even in very cold weather.
can move about easily on frozen ground.
buries itself in leaves and dirt at the start of spring.
survives even after its body has become frozen.
93人中 41人正解 (44.0％) 平均正解時間 457.46秒
(問２) What effect does the glucose produced in the wood frog's body have?
It allows the frog's cells to produce more water.
It stops the water in the frog's cells from freezing in cold weather.
It lowers the temperature in the spaces between the frog's cells.
It causes the frog's cells to produce more starch.
93人中 56人正解 (60.2％) 平均正解時間 113.41秒
(問３) Researchers are hoping to use the wood frog's secret to allow them to
unfreeze transplant organs with chemicals from the frogs.
remove organs from a donor more easily.
keep transplant organs longer than they can now.
use transplant organs more quickly.
93人中 65人正解 (69.8％) 平均正解時間 115.97秒
(問４) What is one thing that scientists would like to find out about the wood frog?
Which parts of its body freeze in cold weather.
How its heart starts again when it unfreezes.
Whether it becomes frozen in the spring.
Why it takes so long to unfreeze at the end of winter.
93人中 39人正解 (41.9％) 平均正解時間 101.12秒
(問５) Which of the following is true?
The wood frog needs starch in order to stop the cells in its body from dying.
Scientists are now using the process that takes place in a wood frog's body to prepare human organs for transplant.
Researchers are trying to find a way to transplant the organs of wood frogs.
Wood frogs use the glucose in their cells to unfreeze their bodies at the end of winter.
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