People who are heterozygous for sickle cell disease are generally healthy because they (1 point) are resistant to many different diseases have some normal hemoglobin in their red blood cells are not affected by the gene until they are elderly produce more hemoglobin that they need

Actual age your first developed of age well comparison age refers to absolute age true or false

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.