<span>The double helix of dna is which level of structure? a.Primary
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Answer:
During crossing over, part of one chromosome is exchanged with another. The result is a hybrid chromosome with a unique pattern of genetic material. Gametes gain the ability to be genetically different from their neighboring gametes after crossing over occurs.
Small leaves protect desert plants from animals that eat plants.
Starch can't be used by the organism the way it is, because cells aren't able to do anything with it.
If you break it into glucose though, it becomes usable.
Hope it helped,
BioTeacher101
