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Scilla [17]
3 years ago
10

In which segment of the nephron would you find cuboidal cells with many microvilli and mitochondria?

Biology
1 answer:
Dmitry [639]3 years ago
4 0

Proximal convoluted tubules (PCT)

Proximal convoluted tubules (PCT) are first part of the renal tubule that extends from the Bowman’s capsule to the descending arm of the thin loop of the Henle. PCT is made up of cells that contain many mitochondria that produce ATP for the energy –intensive resorptive processes.

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What is the Heliopause? (8 Points)
SOVA2 [1]

Answer:

Boundary of the heliosphere

Explanation:

It is the spherical region around the sun that is filled with solar magnetic fields.The shape of the heliopause fluctuates an is influenced by a wind of interstellar gas caused by the suns motion through space.

5 0
3 years ago
Read 2 more answers
imagine a cell-surface receptor protein is being newly synthesized. How can it get into the membrane that it will ultimately be
motikmotik

Answer:

the steps for a new receptor synthesis:

Explanation:

Do not forget the steps vary from an eukarityc cell to prokarityc one.  

IN AN EUKARYOTIC CELL:

1- Transcription: in the nucleus, mRNA is synthesized from the DNA sequence that codifies the protein. Exons are spliced if needed by spliceosomes.  

2- From nucleus into cytoplasm: mRNA goes through nuclear membrane into the cytoplasm were ribosomes, substrates for protein synthesis and other organelles are.

3- Ribosomes recognize a signal in mRNA and start reading the genetic code, three consecutive nucleotides at a time and adjust the correspondent tRNAs (tRNAs carry the aminoacids)  

4- Peptide bonds are formed between consecutives aminoacids, and a polypeptide is build up according to the mRNA sequence.

5- (The mRNA has a signal that is recognized by the rough endoplasmic reticulum) The peptide goes into this reticulum (RER) and then into Golgi apparatus. (more chemical modifications are made if needed). By this moment the protein has an inserted portion in a lipid membrane.

6- The protein is transported in a vessel that finally fusions with cytoplasmic membrane and the receptor is in destiny. Hydrophobic aminoacid sequences are inserted in membrane.

IN A PROKARYTIC CELL:

1- Transcription (no splicing is needed, there are not exons)

2- There are not nucleus and cytoplasm divided (no transport)

3- Ribosomes recognize a signal in mRNA and start reading the genetic code, three consecutive nucleotides at a time and adjust the correspondent tRNAs (tRNAs carry the aminoacids)

4- Peptide bonds are formed between consecutives aminoacids, and a polypeptide is build up according to the mRNA sequence.

5- The mRNA has a signal that is guides the growing protein to cellular membrane. Hydrophobic aminoacid sequences are inserted in membrane.

8 0
3 years ago
Research has demonstrated that people will help in-group members because __________.
svet-max [94.6K]

Research has demonstrated that people will help in-group members because they have feelings of empathy.

<h3>What is empathy?</h3>

Empathy is an emotion that helps people to understand the situation in which another person lives.

Empathy also helps to develop healthy groups and communities and it is an evolutionary feature.

In conclusion, research has demonstrated that people will help in-group members because they have feelings of empathy.

Learn more about empathy here:

brainly.com/question/16253958

#SPJ12

8 0
2 years ago
What is the difference between fusion and fission reactions? select 2 that apply
Mumz [18]

Answer:

Difference between fusion reaction and fission reaction.

Explanation:

Fission reaction produce energy while fusion reaction absorb energy.This happens because fission reaction deals with the breakdown of one larger nucleus which result in the generation or liberation of energy.Whereas Fusion reaction combines two smaller atomic nuclei,as a result of which it requires energy for the joining of two smaller atomic nuclei into a larger nucleus.

3 0
3 years ago
What area would most likely experience the greatest amount of natural erosion?
Ksenya-84 [330]

Answer: Coastline

Explanation:

The erosion is caused by waves from by the storms

5 0
2 years ago
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