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melamori03 [73]
3 years ago
6

What nineteenth-century invention led to the expanded use of hydroelectric power?

Biology
2 answers:
Dimas [21]3 years ago
5 0

Turbines. Invented by Charles Parsons. I know I'm in middle school, but we are just learning about hydroelectric power.

Elanso [62]3 years ago
3 0

Answer: Turbines.

Explanation:

The invention of the turbines led to the expanded use of the hydroelectric power as with the help of turbines, water can be used to generate electricity.

The consistent wave of ocean is used to generate electricity which is used for various purpose.

The ocean wave rotate the turbines inside the water and it is then used to generate electricity.

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You are interested in studying a gene called CFTR because mutations in this gene in humans cause cystic fibrosis. You have made
Juliette [100K]

Answer: Both the mouse and human beings are encoding the proteins having similar functions.

Explanation:

The CFTR gene in the mouse and CFTR gene in the human beings encode proteins that perform similar function,this is so because if the results are same then it means that both mouse and human beings are encoding the protein that have similar function.

Option A is incorrect  because both humans and mouse are eukaryotes so they have introns and because of that even if the gene sequences are different they can still encode protein.

Option B is incorrect because  amino acid sequences can be similar inorder to have the similar function. If glutamic acid is replaced by aspartic acid, it won't have different function the function will remain same. So, identical amino acid sequences are not required. They can be similar too.

8 0
2 years ago
The cholesterol associated with animal cell membranes
bekas [8.4K]

Cholesterol is one of the molecules composing the cell membrane. b) makes the cell membrane fluid at room temperature.  

<h3>What is the role of cholesterol in the cell membrane?</h3>

The cell membrane is composed of two lipidic bilayers, cholesterol, proteins, and glucans incrusted in between.

Cholesterol is one type of lipid.

These molecules are incrusted in the membrane between the hydrophobic tails of lipids.

Their proportion on both sides of the membrane is almost the same.

Cholesterol is a significant molecule that contributes to the membrane fluidity, separates phospholipids, and interact with membrane proteins regulating in their activity.

The correct option is b). makes the cell membrane fluid at room temperature.

You can learn more about cholesterol at

brainly.com/question/2114495

brainly.com/question/4551833

#SPJ1

7 0
1 year ago
WILL GIVE BRAINLIST.Use the drop-down menus to answer the questions.
Studentka2010 [4]

Answer:

Point A - Intrusive igneous rock

Point B - Extrusive igneous rock

Explanation:

Intrusive igneous rocks are rocks which is formed by molten magma that cools and solidifies below and within the surface of the earth, thereby forming large crystals beneath the earth surface. Examples of Instrusive igneous rocks gabbro, granite, peridotite etc.

Intrusive Ignoeus rock is formed at point A in the diagram given above.

Extrusive Ignoeus rock, on the other hand, is the opposite of Intrusive igneous rock. Extrusive igneous rock is formed when molten rocks, called magma, erupts from beneath the earth and cools and solidifies on the surface of the earth, thereby forming small crystallized rocks. Examples of extrusive igneous rocks are basalt, pumice, etc.

Extrusive Ignoeus rocks would formed at point B in the diagram above.

6 0
3 years ago
Which is a factual statement that cannot be changed or replaced?
LekaFEV [45]
Observation is a factual statement that cannot be changed or replaced.

Explanation)

Hypothesis is a tentative statement that can be tested.
Scientific law and theory are considered a fact but can be disproven if new evidence emerges.
6 0
2 years ago
If you sort your results by relevance, what will be at the top of the results list?
Lina20 [59]
<span>Actually the information or data in the catalog DB or data base connection takes place by relevance and then mainly here we get the search string or required data which we want or entered, with clear exact search filters which has been directly chosen, and hence these will be at the top of the results list for sure.</span>
3 0
3 years ago
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