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3 years ago

What are extensions of the plasma membrane that serve primarily to increase a cell's surface area called?

Biology

1 answer:

muminat3 years ago

4 0

Answer:

Answer is microvilli.

Explanation:

Plasma membrane possesses or comprises of channels , made up of proteins , and form openings for certain molecules to diffuse through and into the cell.

The major function of the microvilli is that it increases the surface area of the cell. This activity increases the rate of absorption, secretion and cellular adhesion.

It should be noted that, microvilli are projections or protrusions found on the cellular membrane.

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3 years ago

Which is the least number of seismograph stations needed to locate the epicenter of a earthquake

Hunter-Best [27]

At least three seismograph stations are needed to locate the epicenter of a earthquake.

Further Explanation:

An earthquake occurs when two region of the earth slip past each other. Fault plane is the area where the slip occurs. Hypocenter is the region below the earth’s surface where earthquake starts while the epicenter is the region above it.

The earth consists of four major layer:

1. Inner core

2. Outer core

3. Mantle

4. Crust

Seismographs is an instrument used to record the earthquake. The recording done by this instrument is called as the seismograms.

The seismograph comprises of:

1. A base: is fixed tightly in the ground

2. Heavy weight: hangs freely

When the earthquake occurs, the ground shakes and in turn the seismograph also shakes while the hanging weight does not shakes. During the earthquake, the difference in the location between the shaking piece and the motionless piece is recorded. Magnitude of the earthquake is recorded as one for each earthquake. The magnitude of earthquake is measured by the Richter scale but is more commonly measured through moment magnitude scale.

Learn more:

1. Learn more about earth brainly.com/question/5956881

2. Learn more about earth science brainly.com/question/1553517

3. Learn more about how sun energy reaches earth brainly.com/question/1140127

Answer Detail:

Grade: College biology

Subject: Biology

Chapter: Natural calamity

Keywords:

Seismograph stations, earthquake, fault plane, hypocenter, epicenter, inner core, outer core, mantle, crust, seismographs, instrument, seismograms, magnitude.

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3 years ago

Read 2 more answers

Which part of the amino acid determines the uniqueness of the amino it as well as the shape of the protein

mina [271]

Answer:

The primary structure of a protein - its amino acid sequence - drives the folding and intermolecular bonding of the linear amino acid chain,which ultimately determines the protein 's unique three-dimensional shape.

I hope it's helpful!

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