1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
iren2701 [21]
2 years ago
7

Current evidence suggests that eukaryotes originated through what process? a) Photosynthesis. b) Cellular respiration. c) Conjug

ation. d) Vernalization. e) Endosymbiosis.
Biology
1 answer:
zvonat [6]2 years ago
7 0

Answer:

e) Endosymbiosis.

Explanation:

According to the recent evidences, the eukaryotic cells with membrane-bound organelles originated by the process of serial endosymbiosis. According to this hypothesis, organelles such as mitochondria and chloroplasts originated when the symbiotic prokaryotes entered and lived inside other, free-living prokaryotic cells. For example, the evolution of double membrane-bound chloroplasts occurred when the photosynthetic bacteria (cyanobacteria) entered and lived inside the larger heterotrophic cells.

Likewise, the evolution of mitochondria occurred when the aerobic bacteria (most probably the purple bacteria) lived inside larger anaerobic cells. Gradually, the endosymbionts developed mutual relation with the host cells and the symbionts lost the ability to live freely outside the host cell.

You might be interested in
The synthesis of an amino acid follows this pathway: precursor A → intermediate B → amino acid C. Each reaction is catalyzed by
Vesnalui [34]

Answer:

The synthesis of an amino acid follows this pathway: precursor A → intermediate B → amino acid C. Each reaction is catalyzed by a different enzyme. This metabolic pathway is controlled by feedback inhibition with amino acid C inhibiting the conversion of precursor A to intermediate B. Amino acid C acts as a noncompetitive inhibitor of the first enzyme in the pathway.

Explanation:

A no-competitive inhibitor reduces the activity of an enzyme by binding at its active site although it has already bound to the corresponding substrate

3 0
3 years ago
The calm areas near the equator where warm air rises are___
UkoKoshka [18]
C.doldrums regions near the equator with very little or no wind are called doldrums
4 0
3 years ago
Read 2 more answers
Does any tundra<br> lie within the United States?<br> If so, where?
JulsSmile [24]

Answer:

Parts of the U.S. state of Alaska and the countries of Canada, Greenland, Iceland, Norway and Russia are all in the Arctic tundra biome. Regardless of how cold and bleak the weather may be in the northern contiguous states in the middle of winter, technically, the tundra does not extend below northernmost Canada

Explanation:

4 0
3 years ago
A biologist wants to demonstrate how atoms are combined in a DNA molecule, a geologist wants to demonstrate how mountains are fo
kenny6666 [7]

Answer:

Model building

Explanation:

8 0
3 years ago
Read 2 more answers
suggest TWO reasons why fewer birds and other small animals can survive in the areas left after trees have been cut down​
Basile [38]

Answer:

.

Explanation:

lost of habitat

lost of food resources

8 0
3 years ago
Read 2 more answers
Other questions:
  • The pigmented portion of the eye that has a rounded opening through which light passes is the ________.
    9·2 answers
  • Andrew wants to determine if playing classical music will affect the growth of his rose buses. Determine three constant variable
    7·1 answer
  • What would be the priority when caring for a primigravid client whose cervix is dilated at 8 cm when the fetus is at 1+ station
    9·1 answer
  • New forms of drug-resistant bacteria can evolve quickly because
    8·1 answer
  • When observations, over time, repeatedly support an assumption, the assumption comes to be known as a principle true or false
    6·1 answer
  • 6) An organelle found in most eukaryotic cells described as "cellular power plants", because their primary function is to conver
    6·1 answer
  • Match the following HELP ASAP
    7·2 answers
  • If two earthquakes have the same amplitude would they have the same magnitude? why or why not?
    13·1 answer
  • Question 9 of 17
    8·1 answer
  • What is the Kreb Cycle and what happens during that stage in the cellular respiration?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!