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saw5 [17]
3 years ago
7

Cell culture inserts/microporous membranes promote the proper phenotype of a variety of endothelial cells including kidney cells

, intestinal epithelial cells and others. Equally as important is the fact that these devices can be used to study transcytosis, a process discussed briefly in the cell culture lecture.
What is transcytosis and why does the device described above allow one to study this process compared to a typical, plastic cell culture plate?
Biology
1 answer:
JulsSmile [24]3 years ago
4 0

Answer:

Explanation:

Transcytosis is the transfer of molecules across cells from one side to the other, a process that entails endocytosis, vesicular transfer and exocytosis, and which speeds the bulk movement of molecules through tissues.

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why is PCR a necessary step in the analysis of a DNA sample taken from a crime scene A: the sample yields very little DNA B: the
kumpel [21]
The answer is A. The sample from a crime scene does not have enough DNA to perform forensics tests such as DNA matching. PCR -polymerase chain reaction - is used to amplify the DNA to required amount. Each cycle of PCR amplifies DNA two-folds
8 0
3 years ago
With the aid of the diagram describe the structure of of synapse and the roles of synapse​
allsm [11]

Answer:

In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or to the target effector cell. ... In many synapses, the presynaptic part is located on an axon and the postsynaptic part is located on a dendrite or soma.

The function of the synapse is to transfer electric activity (information) from one cell to another. The transfer can be from nerve to nerve (neuro-neuro), or nerve to muscle (neuro-myo). The region between the pre- and postsynaptic membrane is very narrow, only 30-50 nm

8 0
3 years ago
In animal cells, which structure is thought to produce the spindle fibers that help separate the sister chromatids during anapha
soldi70 [24.7K]

The Centrioles produce the spindle fibers.

4 0
3 years ago
What household object could represent the nucleolus of an animal cell?
kozerog [31]
A computer to a moteter for literal use
For a diagram you could use a ball of somesort
3 0
3 years ago
What is the chemical composition of Glycocalyx?
ale4655 [162]

The chemical composition of glycocalyx is sugar and protein.

<h3>What is the glycocalyx?</h3>

The envelope formed by <em>glycoproteins, glycolipids and hyaluronic acid</em> located in the cell membrane is known as glycocalyx. This component works as a <u>mechanical cell protection</u> thanks to its composition, it also allows <u>cell adhesion</u> and <u>hormonal reception</u> by giving it a suitable environment for this reception.

The glycocalyx is not only seen in eukaryotic cells, but also in prokaryotic cells or in bacterial cells. Each type of cell has its different conformation of the glycocalyx, this <em>depends on its individual need</em>.

Therefore, we can confirm that the chemical composition of glycocalyx is sugar and protein.

To learn more about glycocalyx visit: brainly.com/question/24623301?referrer=searchResults

#SPJ1

4 0
2 years ago
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