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zaharov [31]
3 years ago
12

Cells harvest energy from food molecules by _____. photosynthesis respiration fermentation the Calvin cycle

Biology
2 answers:
zepelin [54]3 years ago
8 0
Digesting them by using their lysosomes.
kati45 [8]3 years ago
3 0
Cellular resperation
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What are the reactants for oxidation reaction?
Alexxx [7]

The reactant that brings about the oxidation is called the oxidising agent, and that reagent is itself reduced by the reducing agent.

Oxidation occurs when a reactant loses electrons during the reaction. Reduction occurs when a reactant gains electrons during the reaction. This often occurs when metals are reacted with acid.

Oxidation is loss of electrons (OIL RIG). Therefore, an oxidising agent takes electrons from that other substance. Therefore, an oxidising agent must gain electrons.

Oxidation happens when an atom loses one or more electrons during a chemical reaction, meaning that its oxidation number increases. This is because the atom loses the negative charge of the electron, which is similar to gaining a positive charge, increasing the oxidation number.

To know more about oxidation click here

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6 0
1 year ago
Sound quality can be divided
iris [78.8K]
Sound quality can be divided into amplitude, timbre and pitch. If there’s an impedance mismatch between your two devices connected to the single output, you could have a large mismatch between the levels arriving at each device. If the difference is large enough, one device may have distorted or inaudible audio.

To avoid this, you should ensure that both devices connected to the split signal are similar - such as 2 pairs of headphones, 2 recorder inputs, and so on. When you place 2 devices with wildly differing load impedances on a splitter is when you’ll encounter problems - such as headphones on one split and a guitar amp input on the other.

To get around this, you can use either a distribution amplifier (D.A.) or a transformer balanced/isolated splitter - which will work over a larger range of load impedances, typically. Depends on the quality of the splitter and the exact signal path. If you’re using the splitter to hook two things into one input, and you’re using quality connectors, you probably won’t lose much quality. There can be an increase in impedance of the cable due to the imperfect continuity of the physical connection, however with unbalanced line-level signals, impedance at both ends of the chain tends to be orders of magnitude higher than the connection will create, so one split will be barely noticeable. So too, the noise increase from the additional length of cable.

Now, one source into two inputs, that will by basic math and physics result in a 3dB drop in signal strength, which will reduce SNR by about that much. By splitting the signal path between two inputs of equal impedance, half of the wattage is being consumed by one input and half by the other (the equation changes if the inputs have significantly different impedances). So each input gets half the wattage produced by the source to drive the signal on the input cable, and in decibel terms a halving of power is a 3dB reduction. Significant, until you just turn the gain back up. The “noise floor” will be raised by however much noise is inherent in the signal path between the split and the output of the gain stage; for pro audio this is usually infinitesimal, but consumer audio can have some really noisy electronics, both for lower cost and because you’re not expected to be “re-amping” signals several times between the source and output.

8 0
2 years ago
Circular dna not part of a bacterial genome is called a __.
Shtirlitz [24]

Answer:

a plasmid

Explanation:

I think it's called a plasmid but I'm not sure. hope it helps

7 0
3 years ago
19. Triglycerides are BLANK Select one : O A. carbohydrates O B. nucleotides O C. proteins D. fats
ella [17]

Answer:

D. fats

Explanation:

Triglycerides are the main substance of body fat found in humans and other vertebrates. These are esters derived from glycerol and fatty acids. High amounts of triglycerides are dangerous for heart health.

5 0
3 years ago
Match each term with the correct location on a trophic pyramid.TermProducersPrimary ConsumersSecondary ConsumersTertiary Consume
liraira [26]

A trophic pyramid is a visual representation of the trophic levels in an ecosystem, with the producers at the base of the pyramid and the tertiary consumers at the top.

The pyramid would look as follows:

This means that they would match as follows:

• Producers, - Bottom of the pyramid ,(E),

• Primary Consumers, - Second level from the bottom (A)

• Secondary Consumers - Middle of the pyramid (C)

,

• Tertiary Consumers - Second level from the top (D)

,

• Apex Predator - Top of the pyramid (B)



3 0
1 year ago
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