] | [
] | [
] | [
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
survives even after its body has become frozen.
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.
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 stops the water in the frog's cells from freezing in cold weather.
It causes the frog's cells to produce more starch.
It lowers the temperature in the spaces between the frog's cells.
It allows the frog's cells to produce more water.
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.
use transplant organs more quickly.
remove organs from a donor more easily.
keep transplant organs longer than they can now.
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?
Why it takes so long to unfreeze at the end of winter.
How its heart starts again when it unfreezes.
Whether it becomes frozen in the spring.
Which parts of its body freeze in cold weather.
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?
Wood frogs use the glucose in their cells to unfreeze their bodies at the end of winter.
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.
qqq systems Ver2.08