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Ede4ka [16]
3 years ago
7

A researcher made an interesting observation about a protein made by the rough endoplasmic reticulum and eventually used to buil

d a cell's plasma membrane. The protein in the membrane was actually slightly different from the protein made in the ER. The protein was probably altered in the __________.a. Golgi apparatusb. smooth endoplasmic reticulumc. plasma membraned. transport vesiclese. rough endoplasmic reticulum
Biology
1 answer:
KatRina [158]3 years ago
3 0

Answer:

A. Golgi apparatus

Explanation:

The proteins are synthesised in the ribosomes attached to the endoplasmic reticulum.

The synthesised proteins have to be destined to perform various function sin the cells which need modification of the proteins. The organelle which provides a site for this modification is known as the Golgi apparatus.

In the given question since the protein synthesised by the ribosome differs from the protein when it becomes part of the plasma membrane, therefore, some modification like in the given case prenylation and farnesylation takes place in the Golgi apparatus.

Thus, the Golgi apparatus is correct.

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Which structure is most necessary for a mitochondrion to produce new molecules
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Answer:

<h2>The Nucleus.</h2>

Explanation:  

The structure most necessary for a  mitochondria to produce new cells is the nucleus.

The nucleus is a very specialized structure that occurs in most cells  including the mitochondria.

It is a membrane bound organelle that contains genetic materials which is the DNA of all eukaryotic organisms(multicellular organisms)

It plays important functions such as:

1. Primarily an information center of the cell

2.Metabolism roles

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3 years ago
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What is the correct type of circulatory system for members of class Reptilia?
Natalka [10]

Answer:

Closed the first one

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most mammals, have closed cardiovascular systems. The two main circulation pathways in invertebrates are the single and double circulation pathways.

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Which is an example of respiration?
insens350 [35]

Answer:

I believe its D.

Explanation:

Respiration is an carbon releasing posses.

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If only the deterministic hypothesis is correct, undifferentiated stem cells isolated from bone marrow and grown in vitro will:
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Considering the multiple choice;

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D. develop receptors in a random fashion.

Answer;

A. Require the correct external signal to replace

If only the deterministic hypothesis is correct, undifferentiated stem cells isolated from bone marrow and grown in vitro will

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Embryonic stem cells are pluripotent, meaning they are able to grow, into all derivatives of the three primary germ layers: ectoderm, endoderm and mesoderm.

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Answer:

Below is the drawn model to show the flow of energy from a nonliving source to an herbivore.

Explanation:

The model given below shows how energy from a nonliving source is transferred into a herbivore. It shows that solar energy that is produced by the sun (a nonliving source) is captured by the plants, which use this solar energy to convert it into chemical energy. After that, this chemical energy is transferred to a herbivore that feeds on these plants.

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