Answer:
Enzymes can only be used once
Explanation:
Enzymes are there forever
Capillaries<span> are </span>small<span>, thin </span>blood vessels<span> that connect the </span>arteries<span> and the veins. Their thin walls allow oxygen, nutrients, carbon dioxide and waste products to pass to and from the tissue cells.</span>
i think it is called the nuclear envelope, but I am not sure...
Hope this helped :)
Answer:
A gene codes for a particular protein that is involved in the expression of a trait.
Explanation:
Characteristics determined by single genes are called Mendelian traits.
