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Sedbober [7]
3 years ago
14

A 320 N force is applied to a 16 kg box. What is the acceleration of the box?

Biology
1 answer:
Margarita [4]3 years ago
3 0

Answer:

a = 20 m/s^2

Explanation:

F = m*a --> a = F/m = 320/16 = 20 m/s^2

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Evidence suggests that first, ____________ were acquired when an aerobic bacterium was engulfed by larger cells and became mutua
leonid [27]

Answer:

1. Mitochondria

2. Chloroplast

3. the formation of eukaryotic cells

4. DNA

Explanation:

The theory of endosymbiosis was proposed by the Lynn Margulis in 1967 which suggested that the eukaryotic organelles like the mitochondria and chloroplast evolved when another prokaryotic cell engulfed the prokaryotic bacteria.

The mitochondria were formed when the chemosynthetic bacteria were engulfed by the bacteria and the engulfed bacteria formed a symbiotic relationship. Similarly, the chloroplast was originated in the same way when the photosynthetic bacteria were engulfed by another prokaryote.

The evidence which supports their ar:

1. The same size of the organelles to the bacteria

2. The presence of the circular DNA of the organelles like bacteria  

3. The similarity in the 30s and 70s ribosomal subunits.

7 0
3 years ago
Read 2 more answers
In which phase of cell cycle does synthesis of dna take place?
BigorU [14]
It happens during the s phase
4 0
3 years ago
Will give brainly!!<br> what are some groups that influence people's perspective?​
Triss [41]

Answer:

ther economic status influence how we perceive the place where we live and other parts of the world.

Explanation:

7 0
3 years ago
this part of the stomach contains thick muscle to mix the food and move the food into the duodenum. it is called _____.
Alla [95]

Answer:

Pylorus

Explanation:

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The pylorus structure of the stomach is composed of thick muscles which help to mix or agitating the food in the stomach and controls the movement of the food to the duodenum which is the first part of the small intestine. The movement is controlled by the ring of muscles in the pylorus called pyloric sphincter.

Thus, Pylorus is the correct answer.

6 0
3 years ago
Annette observed that if she put salad dressing on her salad in the morning before leaving home, by lunch time she found excess
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The acids in the dressing and the oxidation are what cause the wilting.
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