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marshall27 [118]
3 years ago
15

A lever with a mechanical advantage greater than 1 is used to ____.

Biology
1 answer:
Arte-miy333 [17]3 years ago
4 0
The answer should be C. increase force
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Mammals that lay eggs are known as ____________.
aivan3 [116]

Answer:

Monotremes

Explanation:

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3 years ago
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Plant cells form a cleavage furrow or indentation of membrane between new daughter cells.
ddd [48]
<h2>Mitosis Process</h2>

Explanation:

  • Plant cells and animal cells undergo the same cellular processes during mitosis.
  1. The centrioles absent in the plant.
  2. Animals  cells have centrioles, to what delivers the shaft strands is one of the differences among plant and creature mitosis.
  3. The periods of mitosis and goes on in each stage is the equivalent aside from when it comes to how cytokinesis is practiced.
  4. <em>Plant cells separate the cytoplasm between the two new cores by framing a cell plate (new cell wall)between the cores.</em>
  5. Animals cells achieve this by shaping a cleavage wrinkle which is a squeezing in at the center of the<em> </em><em>cell until two new cells have been framed with cytoplasm and organelles for each  new nuclei.</em>
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3 years ago
Why is the back-work ratio much higher in the brayton cycle than in the rankine cycle?
Ivanshal [37]

The back-work ratio much higher in the brayton cycle than in the rankine cycle because a gas cycle is the Brayton cycle, while a steam cycle is the Rankine cycle. Particularly, the creation of water droplets will be a constraint on the steam turbine's efficiency. Since gas has a bigger specific volume than steam, the compressor will have to work harder while using gas.

Recall the steady flow device's shaft work expression.

W =-∫ V dP +...

As it is in the pump (liquid) compared to turbine (superheated vapor) in the Rankine cycle, the specific volume in the compressor is not significantly less than the specific volume in the turbine in the Brayton cycle.

A thermodynamic cycle that transforms heat into mechanical energy is the Rankine cycle, often known as the Rankine vapor cycle.

The operation of various heat engines that use air or another gas as their working fluid is described by the Brayton cycle, a thermodynamic cycle.

Learn more about Rankine cycle here brainly.com/question/24050955

#SPJ4

3 0
1 year ago
"why is it necessary to obtain overlapping sequences when performing genomic sequencing?"
sergiy2304 [10]
So you know how it fits together, the ordering of the sequence.
3 0
3 years ago
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I need to know the hypothesized enzyme
worty [1.4K]

Answer:

Hypotheis:

<em>If high amounts of product in the samples, '+++' , correlates with optimal temperatures and pH for enzyme activity, then...</em>

  • <u>A- Pepsin</u>
  • <u>B- Amylase </u>
  • <u> C- thermophilic enzyme</u>

Explanation:

Enzymes are specialized proteins that function as biological catalysts- <u>they speed up chemical reactions.</u> As proteins, these are susceptible to changes in temperature and pH- they function best at optimal values for both conditions, but can be denatured, rendering them inactive at relative extremes.

Each enzyme provided has its own optimal temperature and pH values.

  • Thermophilic enzymes are usually found in regions characterized by high temperatures. They show high thermostability, and do not become denatured at high temperatures- they thrive, and do not function well at lower temperatures.
  • Amylase is a hydrolase digestive enzyme found in the mouth, that acts on polysaccharides like starch to break 1,4  glycosidic bonds between glucose molecules. It works best at a physiological (neutral) pH and temperatures (around 37°)
  • Pepsin, another digestive enzyme, is a peptidase that breaks down proteins into peptide molecules. It is found in the stomach lining, where the pH  is typically low i.e. acidic due to the hydrochloric acid in digestive juices.

Thus from the table A- pepsin, B- Amylase and C- thermophilic enzyme can be hypothesized.

6 0
2 years ago
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