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xxTIMURxx [149]
3 years ago
5

FIRST PERSON TO ANSWER GETS BRAINLIEST!!!!

Biology
1 answer:
vichka [17]3 years ago
3 0

Answer:

A

Explanation:

Both mitochondria and chloroplast lack a nucleus, but instead, they are found in the cell (which is mostly eukaryotic). They are also thought to have their evolutionary origins as simple single-celled organisms.

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Eukaryotes are more complex because they contain.
Vikki [24]

Answer:Eukaryotic cells are generally larger and more complex than prokaryotic cells. They also contain a variety of cellular bodies called organelles. The organelles function in the activities of the cell and are compartments for localizing metabolic function.

Explanation:

4 0
3 years ago
16-16: In a series of experiments, genes that code for mutant forms of an RTK are introduced into cells. The cells also express
kolezko [41]

Answer:

Kinase-connected receptors or receptor tyro-sine kinases react for the most part to protein and chemical go between. A solitary trans membrane helix interfaces the extracellular restricting area to the intra-cellular space. e.g. insulin, development factors. The official of the ligand triggers the commencement of a few succession of occasions related with phosphorylation of proteins, this is called protein kinase course.  

For instance, the official of development hormone to the receptor in the plasma layer causes dimerization (by the actuation of Janus kinase 2, JAK2) of the receptor (conformation change) that bring about auto-phosphorylation of tyro-sine buildups. The official of SH2-space (src homology) protein (Grb-2) to the phosphorylated tyro-sine buildups invigorates cell development through a course of protein phosphorylation.  

a). RTKs are the trans-membrane receptors, which have a ligand restricting site on the extracellular area and tyro-sine authoritative on the intra-cellular space. In the event that it comes up short on the extracellular area, the ligand can't tie to the receptor site, so no cell reaction happens.  

b). On the off chance that it does not have the intra-cellular space, the ligand can tie to the receptor site, the receptor can't impart signs tot eh intra-cellular area because of the absence of intra-cellular space.

5 0
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Hey guys i need help with an assignment and I need the answer quick
Ksju [112]

Answer:

Okay what is the assignment?

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In bacterial cells, the replication of DNA begins at a specific site called the ____ of replication, and proceeds in both direct
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Termination site? I am not too sure about the second one.
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Father of modern genetics

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