Answer:
Physical changes can easily be reversed but chemical changes cannot because in physical change only state is changed while in chemical change, new substances are formed. For example, when water in liquid form is condensed, it changes into solid form (ice). It is a physical change because water in liquid and solid have the same chemical formula only arrangement of molecules are different. Burning of wood is a chemical change because new substances i. e. carbondioxide and heat is produced.
Answer:
b
Explanation:
mutations in an amino acid sequence affect the function of its protein
Answer:
Saturn, moon, Jupiter
Explanation:
because the moon is 2,158.8mi and Jupiter is 86,881mi and Saturn rings is 30 ft
Natural selection, is based upon the principle of "Survival of The Fittest" ensures that those who are more well adapted, especially having a better immune system, will survive. and the weaker ones will die out. Human evolution made the human immune system even better as time went by, and the system was more well adapted to diseases it was more exposed to like the Europeans were more resilient to smallpox than the native americans
Answer:
A glycosidic bond between glucose and galactose will produce the disaccharide lactose, which is thus the correct answer.
Explanation:Sucrose is a disaccharide composed of glucose and fructose. Maltose is also a disaccharide composed of two glucose molecules. Moreover, fructose and xylose are monosaccharides.