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Your current answer is correct
Answer:
Most bacteria are surrounded by a rigid protective structure called the <u>cell wall.</u>
The energy release from sequential redox reactions provides energy to cells most directly by Using that energy to pump protons.
- By transferring electrons during chemical reactions, catabolic pathways break down organic molecules, generating energy that is then used to produce ATP.
- In an oxidation-reduction (redox) reaction, the process of losing electrons (making a chemical more positive) is referred to as oxidation, while the process of gaining electrons (making a substance more negative) is referred to as reduction.
- The inner mitochondrial membrane's electron transport chain receives electrons from NADH and FADH2, which causes an H+ accumulation in the inner membrane space.
- The direct energy source for ATP synthesis is this proton gradient (gradient of H+) flowing via the membrane enzyme complex ATP synthetase.
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The correct option is A.
A density independent factor refer to a weather or climate condition, which exert its influence on a population size without regard for the size of the population and its density. Limiting factor refers to any factor that put a limitation on the growth, abundance or distribution of a population. In the question given above, the Hurricane Katrina is a density independent factor because the hazardous event affected all the people that are resident in the affected areas.
The genetic code is being carried by the DNA molecules which are found in most organisms.
DNA it is called Deoxyribonucleic acid. It is a thread-like known as nucleotides which carry genetic instructions which are used for growth, functioning, development, and reproduction.
Both RNA and DNA are nucleic acids. DNA stores biological information. DNA is the backbone in resistance cleavage and is made from alternating sugar and phosphate.
