Why does dna use thymine instead of uracil?

What neuroglial cells surround and support the cell bodies of neurons and have intertwined processes that link them with other parts of the neuron?

Zebra use what type of energy

What might happen if a migrating bird loses its ability to move to new place during parts of the year

A man and a woman are both carriers for two autosomal recessive disorders, PKU (chromosome 12) and cystic fibrosis (chromosome 7). If they have a daughter, what is the probability that she will have PKU but not CF?

For Ryan to meet his grain requirements, which group of foods would be his best choice in a single day?

Minnesota department of natural resaws says has introduced regulations that require the use of approved firewood in State parks state florists and wildlife management area is there a specific approval firewood for each area which can't be used in

A gardener is trying to win a competition for the largest pumpkin. Every year, she saves the seeds from the largest pumpkin in her garden. The next year, she plants only those seeds in a large plot.

Sugar is produced primarily in the leaves of a plant. Which of the following transports that sugar to other areas of the plant

5. Carbon dioxide moves from oxygen poor blood of the alveolar capillaries into the alveolar spaces by the process of what?

Which of the following IS NOT a reason why organisms in an estuary have special adaptations? a. exposed to intense sunlight during the day b. salinity of the water in an estuary is constantly changing c.