The answer is B. Nitrogen base
The sides of the DNA ladder are made of alternating sugar and phosphate molecules, the sugar being deoxyribose. The rungs of the ladder are pairs of four types of nitrogen bases (adenine, thymine, cytosine, and guanine)
Hope this helps :)
Each aluminium ion should have a charge of +2, because the sum of oxidation numbers must be zero.
The uncharged aluminium atom must lose two electrons to become an ion with +2 charge.
what has to happen to an uncharged aluminum atom so that it will bond with oxygen?
It has to lose electrons to become positively charged, so it can attract a negatively charged oxygen ion
Answer:
Anna has been dead for more than a few hours.
Explanation:
With the presence off eggs shows us that there was enough time for the flies to discover her and lay the eggs.
Answer:
A. May be subject to erosion
Explanation:
Plants showing <span>hydrotropism</span> in response to water.
