<em>Answer: In dehydration synthesis reactions, a water molecule is formed as a result of generating a covalent bond between two monomeric components in a larger polymer. In hydrolysis reactions, a water molecule is consumed as a result of breaking the covalent bond holding together two components of a polymer.</em>
Cations are positive so they have less electrons than protons, while anions are negative so they have more electrons.
Answer:
The fact that most eukaryotes reproduce sexually is evidence of its evolutionary success. In many animals, it is actually the only mode of reproduction. The genetic diversity of sexually-produced offspring is thought to give species a better chance of surviving in an unpredictable or changing environment.
The four major organic compunds are lipids, carbohydrates, proteins, and nucleic acids.
Lipids are used to store energy, insulate insulate, and they help build cell membranes. Examples of lipids are fats, oils, and waxes.
Carbohydrates are used to give us quick energy and they help build cell walls. Examples of carbohydrates include bread, pasta, cereal, and rice.
The role of proteins is to build our bodies, help our immune system, and help cells communicate. Such examples include meat, beans, eggs, fish, nuts, soy, and dairy.
Finally, Nucleic acids are used to store gentetic info. Anything plant or animal based is considered a nucleic acid.
Different stars are different colors depending on the temperature. So, for example, a blue star is hotter than a yellow star such as our Sun.
