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slega [8]
3 years ago
11

What are the two most common types of secondary structure found in proteins?

Biology
1 answer:
blondinia [14]3 years ago
4 0

Answer:

1- α-helices and β-arrays

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Why is the presence of organic material in the soil important?
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Answer:

D) It increase water absorption.

Explanation:

When a soil is at field capacity, organic matter has a higher water holding capacity than a similar volume of mineral soil.

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Which statement best explains why carbon is present in so many kinds of molecules? (Points : 1)
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The statement which best explains why carbon is present in so many kinds of molecules is because <u>it can form four covalent bonds.
<em /></u>It isn't rare on Earth, so A is incorrect. It has valence electrons, so C is incorrect. It cannot become an ion, so D is incorrect.<u>
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3 years ago
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Would it be easier for an investigator to change the outcome of differentiation if a cell used cytoplasmic determinants or induc
IrinaK [193]

The correct answer is: Induction, because this could be easily changed by changing the cell's environment.

Cell differentiation (process by which cell becomes specialized) can be under the influence of many factors:

• Cytoplasmic influence because cytoplasm can influence and control the behaviour of nuclear genes.

• Embryonic induction-changing the cell environment

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• Proteins present in a cell influences its differentiation

• Cell-Cell interactions via cell-cell adhesion and signalling molecules.

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3 years ago
People who have a stroke that
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Communication, aphasia. :)

Explanation:

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3 years ago
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An examiner who discovers unequal movement or uneven gluteal skinfolds during the Ortolani maneuver does what?
expeople1 [14]

Answer:

B. alerts the physician that the infant has a dislocated hip.

Explanation:

An examiner who discovers unequal movement or uneven gluteal skinfolds during the Ortolani maneuver would alert the physician that the infant has a dislocated hip. This can be said because the Ortolani maneuver is a technique that is used in order to check hip integrity, and if unequal movement is detected during this technique it suggests that the hip is dislocated.

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