Answer:
D. Lung cells
Explanation:
There are many organizations of living things and parts of living things. From simplest to complex the levels are: cells, tissue, organ, system, organism. So, if you have lung tissue then the only simpler organization is cells. These are simpler because cells are what make up tissue, just as tissue makes up organs. Through the levels, the more simple something is then the smaller it is, relatively.
Answer: B, C and D
Explanation:
Option A is wrong because protons are not pumped into the matrix of the mitochondria, but rather protons are pumped from the mitochondrial matrix to the inner membrane space.
Option B is correct. The NADH dehydrogenase, cytochrome b-c1, and cytochrome oxidase complexes are all protons pumps and pump protons across the membrane.
Option C. Is correct. The pH inside the mitochondrial matrix is higher than in the innner membrane space.
Option D is correct. The mitochondria use the proton gradient to synthesize ATP by the enzyme ATP synthase.
I HOPE that 1, 2, or 3 helps you!! :)
Answer:
1. The cycle of energy is based on the flow of energy through different trophic levels in an ecosystem. ... If large predators are present, they represent still higher trophic level and they feed on carnivores to get energy. Thus, the different plants and animal species are linked to one another through food chains.
Explanation:
2. When organisms use organic matter for cellular respiration, ALL the matter goes back into carbon dioxide, water, and minerals, while ALL the energy leaves the ecosystem as heat (which is ultimately radiated out into space). So matter cycles, energy flows through ecosystems.
3. The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.
Answer:
B is correct. Production of PEP, glucose, and fructose 6-phosphate by gluconeogenesis-specific enzymes that bypass irreversible steps of glycolysis push the equilibrium of reversible enzymes that function both in glycolysis and gluconeogenesis in the direction of glucose production.
The structure of the nucleus is that it has the protons (+) and the neutrons (0).
