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goldenfox [79]
2 years ago
11

It is believed mitochondria evolved from

Biology
2 answers:
pychu [463]2 years ago
4 0
Endosymbiotic prokaryotes.
Korolek [52]2 years ago
3 0

Answer:

aerobic bacteria

while chloroplasts evolved from cyanobacteria

Explanation:

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Explain how natural selection and biodiversity are related.
zhenek [66]

Answer: they are not related

Explanation: two different catigories

8 0
2 years ago
In phase-contrast microscopy, the differences in refractive indices between organisms and their environments are utilized for be
mina [271]

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!!!

7 0
2 years ago
The atomic mass of common krypton is 84, and its atomic number is 36. Krypton-82 has how many neutrons within each isotope? A. 4
PtichkaEL [24]
The correct answer would be A. The number of neutrons present in Krypton-82 would be 46. The atomic number of an atom represents the number of protons present while the mass number is the sum of the neutrons and protons in the atom. The mass number for the given atom is 82. So, 82-36 = 46 neutrons present.
5 0
3 years ago
Read 2 more answers
What is The difference between the accepted value and experimental value
defon

Answer:

aceptable value is directly accessed where as experimental value is not coinfermed.

8 0
2 years ago
Which system is responsible for triggering the physiological effects of the stress response?
sveta [45]

Answer:

sympathetic nervous system

Explanation:

The sympathetic nervous system functions like a gas pedal in a car. It triggers the fight-or-flight response, providing the body with a burst of energy so that it can respond to perceived dangers.

4 0
2 years ago
Read 2 more answers
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