Answer:
A. complex I
B. complex II
Explanation:
Complex I of the electron transport chain is NADH dehydrogenase. It has FMN and Fe-S prosthetic groups. Complex II of ETC is the succinate dehydrogenase. It also has FAD and Fe-S as prosthetic groups. Both complexes I and II lack any type of heme as a prosthetic group. Complex III (cytochrome c oxidoreductase), cytochrome c and complex IV have heme cofactors. Heme A is present in a-type cytochromes while heme C is present in c-type cytochromes.
Answer: True
Explanation:
Pectoralis major is a thick, fan-shaped muscle contributing to the thoracobrachial motion. It consists of group of fibers superior, a clavicular part and a sternal part, both converging to a flat tendon that inserts on the humerus. It's engrafted by both medial and lateral pectoral nerves.
Some microorganisms such as yeast produce energy in oxygen-free environments through anaerobic cellular respiration. Anaerobic cellular respiration is where oxygen is not used. Yeast produces energy by converting sugars into alcohol, gas or acetic acid. <span>This process is called fermentation. </span>Ethanol is a by-product of fermentation. Humans have used fermentation to produce food and drink since the Neolithic Age. Fermentation makes yoghurt from milk by producing lactic acid. It also produces alcoholic beverages such as wine from grapes.
Irrigation system gave the ancient civilizations fertile land which helped crops grow. It also allowed for ease of watering which made the process of farming faster.
So a change in an organism's DNA can cause changes in all aspects of its life. Mutations are essential to evolution; they are the raw material of genetic variation. Without mutation, evolution could not occur.