Weegy: The waste product of electrons and pyruvate combining in fermentation is lactic acid. User: Ella has just finished a hard workout and her muscles need oxygen to recover. What specialized cell is cell is most appropriate to transport oxygen Weegy: Ella has just finished a hard workout and her muscles need oxygen to recover. Red blood cells are specialized cells that are most appropriate to transport oxygen. User: Why is active transport necessary for the sodium-potassium pump to work Weegy: Active transport necessary for the sodium-potassium pump to work because it allows sodium and potassium to move against their concentration gradient. User: At the complete end of cellular respiration, how many molecules of ATP are produced Weegy: At the complete end of cellular respiration, 38 molecules of ATP are produced. User: What’s developed as a result of the electron transport chain Weegy: Proton gradient - developed as a result of the electron transport [ chain. ] User: What phase of mitosis involves the chromatids aligning in the center of the cell Weegy: Metaphase involves the chromatids aligning in the center of the cell. User: How do adults stem cells differ from embryonic stem cells Weegy: Adult stem cells may only differentiate into different cell types of their tissue of origin, while embryonic stem cells are pluripotent and can become any cell type in the body. User: What’s the primary function of oxygen in awe (More)

Weegy: One surprising fact of the animal kingdom is that only approximately 5% of animals are classified into Chordates. User: A key difference between green ALGAE and land-based plants is that Weegy: A key difference between green algae and land-based plants is that: green algae don't have vascular tissue and must absorb nutrients directly from the environment. User: Some animals that live in the desert don’t move often if at all during the day, in order to conserve water and energy. This seasonal behavior is best described as which of the following. (More)

Weegy: The Jones family has had their dog, Sadie, since she was a puppy. Sadie was raised in the home, which has a letter carrier visit at the same time every day. [ Though Sadie used to bark and scratch the door when the letter carrier dropped off packages, now she doesn't even wake up from her nap when the letter carrier comes. Sadie is demonstrating a learned behavior that she acquired through Habituation. ] User: Which of the following is often provided by anthropologists and biologists as a possible explanation for the development of middl (More)

Weegy: Standing upright allowed for better foraging of tree fruits -is often provided by anthropologists and biologists as a possible explanation for the development of bipedal hominids. User: Which of the following is not required process for the survival of animals (More)

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