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baherus [9]
3 years ago
5

Compare and contrast the structure and function of a compound light microscope and a scanning electron microscope.

Biology
1 answer:
Lana71 [14]3 years ago
6 0
Hello.

Basically both operate by bouncing tiny particles or waves off of objects in order to make them visible. Electrons are smaller than light photons so we can see smaller objects clearly with electron microscopes. There are disadvantages though. First, color is a function of light wave frequency so we can't see electron micrographs in color. Color can be added artificially though by computer to differentiate structures, (think photoshop). Also, we cannot see electrons so we make them visible by bouncing them off a cathode ray screen similar to a TV set or computer monitor.

Have a nice day

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A large population of mice (2000 individuals) lives in an area dominated by small shrubs in the desert. When the population size
Brums [2.3K]

Answer:

Since the original dispersal event, the small population will have evolved more than the large population

Explanation:

When the group of 6 individuals left and colonized an area that was different to their initial home, they had to adapt to the new environment and new food resources. Offspring from the small population that had more advantageous characteristics had a better chance of survival than those that did not.

The offspring that had the better chance of survival were the ones that inherited new traits that helped survive in their environment with more trees and thus they would breed with other mice that also survived, passing on these traits to their offspring. The mice that did not inherit these traits, could not survive well and probably died.

The mice from the original population did not need to inherit as many new traits as they were in a familiar environment and thus did not evolve as much as the smaller population.

8 0
3 years ago
Solve for x: 3 − (2x − 5) < −4(x + 2)
Sphinxa [80]

Answer:

x < -8

Explanation:

3 − (2x − 5) < −4(x + 2)

3- 2x +5 < -4x - 8

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x < -8

5 0
3 years ago
Read 2 more answers
What happens to 2 NADPH in photosynthesis?
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<span>The overall function of light-dependent reactions, the first stage of photosynthesis, is to convert solar energy into chemical energy in the form of NADPH and ATP, which are used in light-independent reactions and fuel the assembly of sugar molecules.</span>
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What offspring are expected from mating a roan bull and a roan cow?
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1 red : 2 roan : 1 white
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At the systemic tissues, erythrocytes typically unload oxygen and load carbon dioxide. a. true b. false
bixtya [17]

Answer:

Answer is true.

Explanation:

A systemic circulation involves the supply of functional blood which is known as the oxygenated blood to cells or body tissues, and subsequently  picks up carbon [iv] oxide and other waste products.

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Note that, systemic tissues are where the oxygen from the heart are being released and the waste products are absorbed.

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