Answer:
T
C
G
A
T
A
Explanation:
Thymine pairs with Adenine.
Guanine pairs with Cytosine.
When tiny ice crystals in clouds stick together to form snowflakes, the result is snow. If enough crystals form a clump, they'll become heavy enough to fall to the ground. When temperatures are cold and moisture in the form of tiny ice crystals exists in the atmosphere, snow forms.
Answer:
People with one CF allele have an advantage of being less likely to contract typhoid. This helped them survived and pass their trait to their offspring.
Explanation:
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Eutrophication, the process by which a body of water acquires a high concentration of nutrients, has become known to the environmentally aware community as a key human stressor on the world's ecosystems. High concentrations of nutrients, specifically phosphates and nitrates, promote excess growth of primary producers.
What causes hemolytic disease of the newborn (HDN)? HDN most frequently occurs when an Rh negative mother has a baby with an Rh positive father. When the baby's Rh factor is positive, like the father's, problems can develop if the baby's red blood cells cross to the Rh negative mother.
