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3 years ago

Chemical composition of the Rough endoplasmic reticulum

Biology

1 answer:

Alchen [17]3 years ago

6 0

Answer:

<em><u>The rough endoplasmic reticulum consists of two dimensional flattened sacs formed from phospholipids and ribosomes.</u></em>

Explanation:

Genes within DNA are expressed through transcription and translation of the genetic code.

The rough Er contains important machinery in gene expressions, Ribosomes embedded in a lipid membrane. These are small sub cellular organelles that carry out a specific function of protein manufacturing and modulation. They contain the translocon complex, integral to the translation process

The endoplasmic retuculum consists of folded phospholipid membrane sheets or cisternae- these are mainly two dimentional, and form flat sacs.These provide small specific environments from the cytosol in the cytoplasm- they span the entire cytoplasm.

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Which of the following is NOT a general feature of the lipid bilayer in biological membranes? A. The higher the proportion of un

Fynjy0 [20]

Answer:

The correct answer is C the polar head groups of phospholipid,glycolipid and cholesterol face towards the interior of the bilayer.

Explanation:

Plasma membrane contains various lipid molecules such as phospholipid,glycolipid,sphingolipid and cholesterol.The polar head groups of the phospholipid,glycolipid and cholesterol faces the hydrophilic region which is present outside the lipid bilayer and the nonpolar groups faces the hydrophobic region that is present interior of lipid bilayer.

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4 years ago

The kilogram (kg) is a measurement of which quantities?

Artemon [7]

Answer:

basic unit of mass

Explanation:

A kilogram is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. The pound is defined as equal to 0.45359237 kg, exactly.

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3 years ago

Which of these statements expresses a scientific theory?

borishaifa [10]

Answer:

The correct answer is C.

Explanation:

An unidentified material that consists of cells must be from a

living organism.

It sounds more like an theory.

7 0

3 years ago

Read 2 more answers

Which of the following is a characteristic of outer planets?

nexus9112 [7]

The following characteristic of the outer planets is C. Have rings.

Jupiter, Saturn, Uranus, Neptune have rings. Although Jupiter looks like it doesn't have it, it is still part of the outer planets.

The outer planets are not close to the sun that is the inner planets (Mercury, Venus, Earth and Mars). They have a lot of moons, more than the inner planets. And lastly they don't have rocky surfaces in fact they're surface is clouds and gas.

Hope this helped :)

have a great day

5 0

3 years ago

What happens when traits are not dominant or recessive

Sholpan [36]

Explanation:

This situation is called an incomplete dominance. A great example of this is when a plant with red flowers is paired with a plant with white flowers and the seeds give plants with pink flowers

6 0

3 years ago