Answer:
I believe A makes the most sense
Explanation:
Answer:
By hydrogen bonds
Explanation:
The two "steps" are made from base pairs formed between the nitrogenous bases. The DNA double helix is held together by Hydrogen bonds between the bases attached to the two strans
Answer:
25% red, 50% pink, 25% white
Scientists make progress by using the scientific method, a process<span> of checking conclusions against nature. After observing something, a scientist tries to explain what has been seen. The explanation is called an hypothesis. There is always at least one alternative hypothesis.</span>