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Ronch [10]
3 years ago
6

In phase-contrast microscopy, the differences in refractive indices between organisms and their environments are utilized for be

tter viewing of living specimens.
True / False.
Biology
1 answer:
mina [271]3 years ago
7 0

Answer:

True

Explanation:

In  phase-contrast objective and a phase contrast optical systems is equipped with Light microscope  .

Phase contrast microscope is used to differentiate unstained structures in a cell  that differ in refractive indices and thickness. Thus it is usefull for examining  living unstained organisms.

Light that passed through materials of different refractive index and/or thickness will undergo a change in Phase. The difference in phase or wave front irregularities cause variation in brightness of the structures.

Hoping this might help!!!

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Features of taxonomic hierachy​
Sergio039 [100]

Answer:

Explanation:

Each of this level of the hierarchy is called the taxonomic category or rank. In this system of classification, kingdom is always ranked the highest followed by division, class, order, family, genus, and species.

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3 years ago
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bachiko congratulated her staff when the team received an industry award for their project, and also sent a companywide e-mail a
trapecia [35]

Bachiko congratulated her staff when the team received an industry award for their project, and also sent a companywide e-mail announcing it. here, Bachiko is using her <u>personalized</u> power.

In the example above, Bachiko is using his power. Personalized power is the power in which a person has a superiority complex and thinks that he is superior to others. Also, he made sure that people knew that he was someone else's boss.

The sources of management power are as follows:

Positional power

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8 0
1 year ago
The three general requirements for resisting disease are:
ratelena [41]

Answer: eating foods that will give you the proper nutrition

exercising

getting plenty of rest

Explanation:

7 0
3 years ago
Analise as alternativas a seguir e marque aquela que NÃO descreve uma função do sistema nervoso. 1 ponto a) captar e interpretar
Elenna [48]

English translation of the question is as follows:

Analyze the alternatives below and check the one that does NOT describe a nervous system function. 1 point

a) capture and interpret stimuli from the environment.

b) carry information.

c) creating responses through movements, sensations or findings.

d) transport nutrients and oxygen to the body.

e) control the activity of the muscles.

Answer:

d) transport nutrients and oxygen to the body.

Explanation:

Nervous system functions to communicate with other cells through synapses and through membrane-to-membrane transfer that allows rapid transmission of signals that controls muscle activity and create responses through movements, sensations or findings.

Nervous system do not function to transport nutrients and oxygen to the body.

Hence, the correct option is "d)".

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3 years ago
Which of the qualities is a major difference between all spore-dispersing and seed-dispersing plants? Select all that apply. The
Murrr4er [49]

These two apply.

1.) The sporophyte of seed plants is photosynthetically independent.

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