Question

In: Biology

Which of the following statements are true? Select all correct answers. Cell membranes in reindeer legs...

Which of the following statements are true? Select all correct answers.
  • Cell membranes in reindeer legs (near the hooves) are kept flexible because they have a large number of saturated fatty acids.
  • Cell membranes in cold-tolerant winter wheat plants have a higher ratio of unsaturated fatty acids to saturated fatty acids than do cold-intolerant wheat varieties.
  • A plant that produces more monounsaturated fatty acids than polyunsaturated fatty acids in its membranes in winter has an increased resistance to freeze damage.
  • Yeast cells that produce more unsaturated fatty acids than saturated fatty acids in response to cold have greater cold tolerance.

Solutions

Expert Solution

Answer:

Cell membranes in cold-tolerant winter wheat plants have a higher ratio of unsaturated fatty acids to saturated fatty acids than do cold-intolerant wheat varieties.

Yeast cells that produce more unsaturated fatty acids than saturated fatty acids in response to cold have greater cold tolerance.


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