One strand of DNA contains many proteins.
Answer:
a
Explanation:
a lipid is the right answer
<span>Aspirin/Paracetamol/Ibuprofen are all extremely toxic to cats when an incorrect dose is given. Whilst common medication can be beneficial to some animals when given in the correct dose, it can also be highly dangerous. For example, one normal-strength tablet of paracetamol is highly toxic for a cat, and another just a day later will prove fatal.</span><span />
The answer is difference in density. We know that the high central density suggests the earth must be rich in nickel and iron and that much of the core must be liquid. This lower-density air then rises and is replaced by cooler, higher-density air. The result is atmospheric circulation that drives the weather and climate through redistribution of thermal energy.