Answer:
D. RNA is single stranded , contains uracil, sugar is ribose
The lab results of the blood sample are not normal. Nikoleta’s red blood cell and platelet count are within the “normal” range, but her hemoglobin, mean corpuscular count and white blood cell count are either above of below “normal”.
Explanation:
Chemical digestion is a vital part of the digestive process. Without it, your body wouldn't be able to absorb nutrients from the foods you eat. While mechanical digestion involves physical movements, such as chewing and muscle contractions, chemical digestion uses enzymes to break down food. Make my inbox healthier.
Falso porque natural selection is actually the process where organisms that are better adapted to their environment tend to produce more offspring than those that have a disadvantage
Birds and mammals independently evolved four-chamber hearts
