D.
They have the same number of protons as electrons.
Explanation:
Protons are found in the nucleus of the atom and have a positive charge while electrons orbit around the nucleus and have a negative charge. Usually, in a neutral atom of an element, the number of protons is equal to the number of electrons. This is why the atom has no charge because the positive and negative charges cancel out. When an atom loses an electron its charge turns positive while when it gains an electron its charge turns negative.
Answer:
The main role of DNA in the cell is it's a Long term storage of information
Explanation:
The main role is to read the genetic code, cells make a copy of a stretch of DNA in the nucleic acid RNA
These three groups are monotremes, marsupials, and the largest group, placental mammals.
Enzymes are the things in our bodies that facilitates reactions. They break down bonds in carbohydrates, lipids and proteins. When the food is being broken down, it is easier for the body to use. When the body is conducting cellular respiration, it uses monosaccharides (singular carbohydrate), to form ATP which is useable energy for the body. The body uses ATP everywhere for all bodily functions, which maintains homeostasis. <span />
Answer:
Identical twins are somewhat - more likely - than fraternal twins to share a homosexual orientation; however, - because sexual orientation differs in many identical twin pairs, other factors must also play a role -